Electronic device and audio data transmission method thereof

Abstract

An electronic device is disclosed. The present electronic device comprises: a first communication interface; a second communication interface for wirelessly communicating with a display apparatus; and one or more processors that, when audio data is received from the display apparatus through the second communication interface, transmit the audio data to a sound output apparatus through the first communication interface. A format of the audio data received from the display apparatus is determined on the basis of a network state between the display apparatus and the electronic device. The one or more processors change the format of the audio data when the format of the audio data received from the display apparatus is different from a format for transmitting the audio data to the sound output apparatus, and transmit the audio data having the changed format to the sound output apparatus through the first communication interface.

Description

Electronic device and method for transmitting audio data thereof

[0001] The present disclosure relates to an electronic device for outputting an audio signal using an audio output device and a method for transmitting audio data thereof.

[0002] User demand for high-definition video and high-quality sound is increasing. With the advancement of electronic technology, display devices such as TVs are increasingly utilizing audio output devices like sound bars to provide sound to users.

[0003] The display device is connected to an audio output device via a separate electronic device, and the display device can provide audio data to the audio output device via the electronic device. However, if the display device and the electronic device are connected wirelessly, the transmission of audio data by the display device may be affected by wireless network conditions.

[0004] An electronic device according to an embodiment of the present disclosure includes a first communication interface, a second communication interface for wirelessly communicating with a display device, and one or more processors. When audio data is received from the display device through the second communication interface, the one or more processors transmit the audio data to an audio output device through the first communication interface. The format of the audio data received from the display device is determined based on a network status between the display device and the electronic device. When the format of the audio data received from the display device is different from a format for transmitting the audio data to the audio output device, the one or more processors change the format of the audio data and transmit the audio data with the changed format to the audio output device through the first communication interface.

[0005] In addition, the audio data received from the display device includes compressed audio data compressed by a first codec when the network state between the display device and the electronic device is a first state, and includes compressed audio data compressed by a second codec when the network state between the display device and the electronic device is a second state, and the first codec may be a codec having a higher data rate than the second codec.

[0006] In addition, the format of the audio data transmitted to the audio output device may be a compressed format by the first codec. The one or more processors may transmit the audio data compressed by the first codec to the audio output device through the first communication interface when the audio data received from the display device includes audio data compressed by the first codec, and may decode the audio data compressed by the second codec to obtain audio data when the audio data received from the display device includes audio data compressed by the second codec, compress the audio data using the first codec, and transmit the audio data compressed by the first codec to the audio output device through the first communication interface.

[0007] Additionally, the first codec may be MAT (Metadata-enhanced Audio Transmission), and the second codec may be DD+ (Dolby Digital Plus).

[0008] Additionally, the audio data received from the display device may include audio data generated based on a first sampling rate when the network state between the display device and the electronic device is a first state, and may include audio data generated based on a second sampling rate lower than the first sampling rate when the network state between the display device and the electronic device is a second state.

[0009] In addition, the format of the audio data transmitted to the audio output device may be an uncompressed format. The one or more processors may transmit the audio data to the audio output device through the first communication interface when the audio data received from the display device includes audio data generated based on the first sampling rate, and may obtain audio data generated based on the first sampling rate by sampling the audio data based on the first sampling rate when the audio data received from the display device includes audio data generated based on the second sampling rate, and may transmit the audio data generated based on the first sampling rate to the audio output device through the first communication interface.

[0010] Additionally, the format of audio data transmitted to the audio output device may be set based on the user input or based on an audio processing method supported by the audio output device.

[0011] Additionally, when the network state between the display device and the electronic device is in the second state, the one or more processors may receive a control command from the display device through the second communication interface, and transmit audio data received from an external device based on the control command to the audio output device through the first communication interface. The audio data received from the external device may not be transmitted to the display device.

[0012] A method for transmitting audio data of an electronic device according to an embodiment of the present disclosure includes the steps of receiving audio data from a display device, and, if a format of the audio data received from the display device is different from a format for transmitting the audio data to an audio output device, changing the format of the audio data, and transmitting the audio data with the changed format to the audio output device. The format of the audio data received from the display device is determined based on a network status between the display device and the electronic device.

[0013] A non-transitory computer-readable medium storing computer instructions that, when executed by one or more processors of an electronic device according to an embodiment of the present disclosure, cause the electronic device to perform an operation, the operation comprising: receiving audio data from a display device; and, if a format of the audio data received from the display device is different from a format for transmitting the audio data to an audio output device, changing a format of the audio data and transmitting the audio data with the changed format to the audio output device. The format of the audio data received from the display device is determined based on a network status between the display device and the electronic device.

[0014] FIG. 1 is a drawing for explaining an audio output system according to an embodiment of the present disclosure.

[0015] FIG. 2A is a block diagram illustrating the configuration of a display device according to an embodiment of the present disclosure.

[0016] FIG. 2b is a block diagram illustrating the configuration of a display device according to an embodiment of the present disclosure.

[0017] FIG. 3A is a block diagram illustrating the configuration of an electronic device according to an embodiment of the present disclosure.

[0018] FIG. 3b is a block diagram illustrating the configuration of an electronic device according to an embodiment of the present disclosure.

[0019] FIGS. 4, 5 and 6 are drawings for explaining a method for a display device to transmit audio data to an electronic device according to an embodiment of the present disclosure.

[0020] FIGS. 7a, 7b, 8a, 8b, and 9 are drawings for explaining a method for an electronic device to transmit audio data to an electronic device according to an embodiment of the present disclosure.

[0021] FIG. 10 is a flowchart illustrating an audio data transmission method of a display device according to an embodiment of the present disclosure.

[0022] FIG. 11 is a flowchart illustrating an audio data transmission method of an electronic device according to an embodiment of the present disclosure.

[0023] It should be understood that the various embodiments of the present disclosure and the terminology used therein are not intended to limit the technical features described in the present disclosure to specific embodiments, but rather to include various modifications, equivalents, or substitutes of the embodiments.

[0024] In connection with the description of the drawings, similar reference numerals may be used for similar or related components.

[0025] The singular form of a noun corresponding to an item may include one or more items, unless the context clearly indicates otherwise.

[0026] In this disclosure, phrases such as "A or B," "at least one of A and B," "at least one of A or B," "A, B, or C," "at least one of A, B, and C," and "at least one of A, B, or C" can each include any one of the items listed together in that phrase, or all possible combinations thereof. For example, "A or B," "at least one of A and B," or "at least one of A or B" can all refer to (1) including at least one A, (2) including at least one B, or (3) including both at least one A and at least one B.

[0027] Terms such as "first," "second," or "first" or "second" may be used simply to distinguish one component from another and do not qualify the components in any other respect (e.g., importance or order).

[0028] When a component (e.g., a first component) is referred to as being “coupled” or “connected” to another component (e.g., a second component), with or without the terms “functionally” or “communicatively,” it means that the component can be connected to the other component directly (e.g., wired), wirelessly, or through a third component.

[0029] The terms "include" or "have" are intended to specify the presence of a feature, number, step, operation, component, part or combination thereof described in this document, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, parts or combinations thereof.

[0030] When a component is said to be “connected,” “coupled,” “supported,” or “in contact with” another component, this includes not only cases where the components are directly connected, coupled, supported, or in contact, but also cases where the components are indirectly connected, coupled, supported, or in contact through a third component.

[0031] When we say that a component is "on" another component, this includes not only cases where the component is in contact with the other component, but also cases where there is another component between the two components.

[0032] The term "and / or" includes any combination of a plurality of related described elements or any one of a plurality of related described elements.

[0033] In some contexts, the phrase "a device configured to" may mean that the device, in conjunction with other devices or components, is "capable of" performing A, B, and C. For example, the phrase "a processor configured (or set) to perform A, B, and C" may refer to a dedicated processor (e.g., an embedded processor) for performing those operations, or a general-purpose processor (e.g., a CPU or application processor) that can perform those operations by executing one or more software programs stored in a memory device.

[0034] In the embodiments, a "module" or "part" performs at least one function or operation and may be implemented as hardware or software, or as a combination of hardware and software. Furthermore, a plurality of "modules" or "parts" may be integrated into at least one module and implemented as at least one processor (not shown), excluding any "module" or "part" that needs to be implemented as specific hardware.

[0035] Meanwhile, the various elements and areas in the drawings are schematically drawn. Therefore, the technical concept of the present invention is not limited by the relative sizes or spacing depicted in the attached drawings.

[0036] Hereinafter, embodiments of the present disclosure will be described in more detail with reference to the attached drawings.

[0037] FIG. 1 is a drawing for explaining an audio output system according to an embodiment of the present disclosure.

[0038] Referring to FIG. 1, the audio output system (1000) includes a display device (100), an electronic device (200), an audio output device (300), and an external device (400).

[0039] The display device (100) can display an image. For example, the display device (100) can be implemented as a TV. According to one example, the display device (100) can be an LED (light emitting diode) TV, an OLED (organic light emitting diode) TV, a QLED (quantum dot light emitting diode) TV, a quantum dot TV, or a digital signage device (e.g., an LED display module arranged singly or in a matrix form). In addition, the display device (100) can be a TV having a flat screen, a curved TV having a fixed curvature screen, or a curvature-variable TV having a changeable curvature.

[0040] As illustrated in FIG. 1, the display device (100) may be supported by a stand (1). However, the present invention is not limited to this example, and the display device (100) may also be fixed to a wall by a wall mount unit (not illustrated).

[0041] In the above example, the display device (100) is described as being implemented as a TV, but is not limited to this example. The display device (100) may be implemented as various types of devices, such as a beam projector, a monitor, etc.

[0042] The display device (100) can display an image on the display of the display device (100) using image data provided by an external device (400). In addition, the display device (100) can transmit audio data provided by the external device (400) to an audio output device (300) via an electronic device (200) and output an audio signal using the audio output device (300). For example, the external device (400) can be various types of devices capable of providing image data and audio data, such as a Blu-ray disc player, a DVD player, a game console, a PC, or a laptop.

[0043] The electronic device (200) may be a device (e.g., an OC (One Connect) box) that performs the function of connecting an audio output device (300) to a display device (100).

[0044] The electronic device (200) can receive image data and audio data from an external device (400). In addition, the electronic device (200) can transmit the image data and audio data received from the external device (400) to the display device (100). At this time, the electronic device (200) can communicate with the display device (100) wirelessly. According to one example, the electronic device (200) can communicate with the display device (100) using Wi-Fi.

[0045] The display device (100) can display an image using image data received from the electronic device (200). In addition, the display device (100) can transmit audio data received from the electronic device (200) to the electronic device (200).

[0046] The electronic device (200) can transmit audio data received from the display device (100) to the audio output device (300). At this time, the electronic device (200) can communicate with the audio output device (300) via a wire. For example, the electronic device (200) can communicate with the audio output device (300) using HDMI (High Definition Multimedia Interface). The electronic device (200) and the audio output device (300) can be connected via an HDMI cable (10). The electronic device (200) and the audio output device (300) each include an HDMI-eARC port (or HDMI-ARC port), and one end of the HDMI cable (10) can be connected to the HDMI-eARC port of the electronic device (200), and the other end of the HDMI cable (10) can be connected to the HDMI-eARC port of the audio output device (300).

[0047] The audio output device (300) can output audio signals using audio data received from the electronic device (200). For example, the audio output device (300) may be a sound bar. However, the present invention is not limited to this example, and the audio output device (300) may also be implemented as an A / V receiver, a home theater system, or the like.

[0048] In this way, the display device (100) can return audio data received from the electronic device (200) to the audio output device (300) through the electronic device (200), thereby providing an audio signal to the user using the audio output device (300). That is, the display device (100) can provide an ARC (Audio Return Channel) function.

[0049] Meanwhile, the display device (100) communicates wirelessly with the electronic device (200). Therefore, if the wireless network condition between the display device (100) and the electronic device (200) deteriorates due to interference or other reasons, the transmission of audio data by the display device (100) may be affected.

[0050] The display device (100) according to the present disclosure can transmit audio data of different formats to the electronic device (200) depending on the network status between the display device (100) and the electronic device (200). Accordingly, since the amount of audio data transmitted to the electronic device (200) can be adjusted depending on the network status, audio signals can be provided to the user through the audio output device (300) more stably.

[0051] FIG. 2A is a block diagram illustrating the configuration of a display device according to an embodiment of the present disclosure.

[0052] Referring to FIG. 2a, the display device (100) includes a communication interface (110) and one or more processors (120).

[0053] The communication interface (110) includes circuitry. The communication interface (110) communicates with the electronic device (200). The communication interface (110) can communicate wirelessly with the electronic device (200). The communication interface (110) can include a wireless communication module. The communication module can be implemented in the form of at least one hardware chip. The wireless communication module can be a module that wirelessly communicates with the electronic device (200). For example, the wireless communication module can include a Wi-Fi communication module. The communication interface (110) can communicate with the electronic device (200) using Wi-Fi communication.

[0054] One or more processors (120) control the overall operation of the display device (100). The one or more processors (120) may be connected to components of the display device (100) to control the overall operation of the display device (100). For example, the one or more processors (120) may be connected to a communication interface (110) to control the display device (100). The one or more processors (120) may be composed of one or more processors.

[0055] One or more processors (120) can perform operations of the display device (100) according to an embodiment of the present disclosure by executing one or more instructions stored in the memory of the display device (100).

[0056] The one or more processors (120) may include one or more of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), an Accelerated Processing Unit (APU), a Many Integrated Core (MIC), a Digital Signal Processor (DSP), a Neural Processing Unit (NPU), a hardware accelerator, or a machine learning accelerator. The one or more processors (120) may control one or any combination of other components of the display device (100) and may perform operations related to communication or data processing.

[0057] For example, one or more processors (120) may perform a method according to an embodiment of the present disclosure by executing one or more instructions stored in a memory.

[0058] When a method according to an embodiment of the present disclosure includes multiple operations, the multiple operations may be performed by one processor or by multiple processors. For example, when a first operation, a second operation, and a third operation are performed by a method according to an embodiment, the first operation, the second operation, and the third operation may all be performed by the first processor, or the first operation and the second operation may be performed by the first processor (e.g., a general-purpose processor) and the third operation may be performed by the second processor (e.g., an artificial intelligence-specific processor).

[0059] One or more processors (120) may be implemented as a single core processor including one core, or may be implemented as one or more multicore processors including multiple cores (e.g., homogeneous multicores or heterogeneous multicores). When one or more processors (120) are implemented as a multicore processor, each of the multiple cores included in the multicore processor may include an internal processor memory, such as a cache memory or an on-chip memory, and a common cache shared by the multiple cores may be included in the multicore processor. In addition, each of the multiple cores (or some of the multiple cores) included in the multicore processor may independently read and execute a program instruction for implementing a method according to an embodiment of the present disclosure, or all (or some) of the multiple cores may be linked to read and execute a program instruction for implementing a method according to an embodiment of the present disclosure.

[0060] When a method according to an embodiment of the present disclosure includes a plurality of operations, the plurality of operations may be performed by one core among the plurality of cores included in a multi-core processor, or may be performed by the plurality of cores. For example, when a first operation, a second operation, and a third operation are performed by a method according to an embodiment, the first operation, the second operation, and the third operation may all be performed by a first core included in the multi-core processor, or the first operation and the second operation may be performed by a first core included in the multi-core processor, and the third operation may be performed by a second core included in the multi-core processor.

[0061] In embodiments of the present disclosure, a processor may mean a system on a chip (SoC) in which one or more processors and other electronic components are integrated, a single-core processor, a multi-core processor, or a core included in a single-core processor or a multi-core processor, wherein the core may be implemented as a CPU, a GPU, an APU, a MIC, a DSP, an NPU, a hardware accelerator, or a machine learning accelerator, but embodiments of the present disclosure are not limited thereto.

[0062] FIG. 2b is a block diagram illustrating the configuration of a display device according to an embodiment of the present disclosure.

[0063] Referring to FIG. 2b, the display device (100) may include a communication interface (110), one or more processors (120), memory (130), a display (140), an input interface (150), and a speaker (160). However, this configuration is exemplary, and it is obvious that some components may be omitted from this configuration or new components may be added when implementing the present disclosure. Meanwhile, a detailed description of the components described in FIG. 2a among the components illustrated in FIG. 2b will be omitted.

[0064] The memory (130) may store data necessary for the display device (100) to operate according to an embodiment of the present disclosure. For example, one or more instructions may be stored in the memory (130). In addition, the memory (130) may store programs, applications, and data for driving the display device (100). One or more processors (120) may execute the programs, applications, or instructions stored in the memory (130).

[0065] The memory (130) may be implemented as a memory (e.g., volatile memory, non-volatile memory, hard drive, solid state drive, etc.) embedded in the display device (100) depending on the purpose of data storage, or may be implemented as a memory (e.g., memory card, external memory, etc.) that can be attached or detached to the display device (100).

[0066] The display (140) can display an image. For example, the display (140) can be implemented as various types of displays such as an LCD (Liquid Crystal Display), an OLED (Organic Light Emitting Diodes) display, an LED (Light Emitting Diodes) display, a micro LED display, a Mini LED display, a QLED (Quantum dot light-emitting diodes) display, etc. In addition, the display (110) can be implemented as a flat display, a curved display, a flexible display that can be folded or / and rolled, etc. One or more processors (120) can process image data received through the communication interface (110) and display an image on the display (140).

[0067] The input interface (150) includes a circuit. The input interface (150) can receive user input and transmit the user input to one or more processors (120). For example, the input interface (150) can receive various user inputs for setting or selecting various functions supported by the display device (100).

[0068] The input interface (150) may include various types of input devices.

[0069] In one example, the input interface (150) may include a physical button. The physical button may include a function key or a dial button. The physical button may also be implemented as one or more keys.

[0070] In one example, the input interface (150) can receive user input using a touch method. For example, the input interface (150) can be implemented as a touch screen capable of performing the function of the display (140).

[0071] For example, the input interface (150) may receive a user's voice using a microphone. One or more processors (120) may perform a function corresponding to the user's voice using voice recognition. For example, one or more processors (120) may convert the user's voice into text data using a STT (Speech To Text) function, obtain control command data based on the text data, and perform a function corresponding to the user's voice based on the control command data. Depending on the embodiment, the STT function may be performed by an external server.

[0072] The speaker (160) can output audio signals. For example, one or more processors (120) can output, through the speaker (160), a notification sound or notification message related to the operation of the display device (100), a response message corresponding to a user input, an audio signal corresponding to an image displayed on the display (140), etc.

[0073] For convenience of explanation, one or more processors (120) are referred to as processors (120) below.

[0074] FIG. 3A is a block diagram illustrating the configuration of an electronic device according to an embodiment of the present disclosure.

[0075] Referring to FIG. 3a, the electronic device (200) includes a first communication interface (210), a second communication interface (220), and one or more processors (230).

[0076] The first communication interface (210) includes a circuit. The first communication interface (210) communicates with an audio output device (300). The first communication interface (210) can communicate with the audio output device (300) via a wire. The first communication interface (210) can include a wired communication module. The communication module can be implemented in the form of at least one hardware chip. The wired communication module can be a module that communicates with the audio output device (300) via a wire. For example, the wired communication module can include an HDMI communication module. The first communication interface (210) can communicate with the audio output device (300) using HDMI communication.

[0077] The second communication interface (220) includes a circuit. The second communication interface (220) communicates with the display device (100). The second communication interface (220) can communicate wirelessly with the display device (100). The second communication interface (220) can include a wireless communication module. The communication module can be implemented in the form of at least one hardware chip. The wireless communication module can be a module that wirelessly communicates with the display device (100). For example, the wireless communication module can include a Wi-Fi communication module. The second communication interface (220) can communicate with the display device (110) using Wi-Fi communication.

[0078] One or more processors (230) control the overall operation of the electronic device (200). The one or more processors (230) may be connected to components of the electronic device (200) to control the overall operation of the electronic device (200). For example, the one or more processors (230) may be connected to the first communication interface (210) and the second communication interface (220) to control the electronic device (200). The one or more processors (230) may be composed of one or more processors.

[0079] One or more processors (230) may perform operations of the electronic device (200) according to an embodiment of the present disclosure by executing one or more instructions stored in the memory of the electronic device (200).

[0080] The one or more processors (230) may include one or more of a CPU, a GPU, an APU, a MIC, a DSP, an NPU, a hardware accelerator, or a machine learning accelerator. The one or more processors (230) may control one or any combination of other components of the electronic device (200) and may perform operations related to communication or data processing.

[0081] For example, one or more processors (230) may perform a method according to an embodiment of the present disclosure by executing one or more instructions stored in a memory.

[0082] When a method according to an embodiment of the present disclosure includes multiple operations, the multiple operations may be performed by one processor or by multiple processors. For example, when a first operation, a second operation, and a third operation are performed by a method according to an embodiment, the first operation, the second operation, and the third operation may all be performed by the first processor, or the first operation and the second operation may be performed by the first processor (e.g., a general-purpose processor) and the third operation may be performed by the second processor (e.g., an artificial intelligence-specific processor).

[0083] One or more processors (230) may be implemented as a single core processor including one core, or may be implemented as one or more multicore processors including multiple cores (e.g., homogeneous multicores or heterogeneous multicores). When one or more processors (230) are implemented as multicore processors, each of the multiple cores included in the multicore processor may include internal processor memory, such as cache memory or on-chip memory, and a common cache shared by the multiple cores may be included in the multicore processor. In addition, each of the multiple cores (or some of the multiple cores) included in the multicore processor may independently read and execute a program instruction for implementing a method according to an embodiment of the present disclosure, or all (or some) of the multiple cores may be linked to read and execute a program instruction for implementing a method according to an embodiment of the present disclosure.

[0084] When a method according to an embodiment of the present disclosure includes a plurality of operations, the plurality of operations may be performed by one core among the plurality of cores included in a multi-core processor, or may be performed by the plurality of cores. For example, when a first operation, a second operation, and a third operation are performed by a method according to an embodiment, the first operation, the second operation, and the third operation may all be performed by a first core included in the multi-core processor, or the first operation and the second operation may be performed by a first core included in the multi-core processor, and the third operation may be performed by a second core included in the multi-core processor.

[0085] In embodiments of the present disclosure, a processor may mean a system on a chip (SoC) in which one or more processors and other electronic components are integrated, a single-core processor, a multi-core processor, or a core included in a single-core processor or a multi-core processor, wherein the core may be implemented as a CPU, a GPU, an APU, a MIC, a DSP, an NPU, a hardware accelerator, or a machine learning accelerator, but embodiments of the present disclosure are not limited thereto.

[0086] FIG. 3b is a block diagram illustrating the configuration of an electronic device according to an embodiment of the present disclosure.

[0087] Referring to FIG. 3b, the electronic device (200) may include a first communication interface (210), a second communication interface (220), one or more processors (230), a third communication interface (240), a memory (250), and an input interface (260). However, this configuration is exemplary, and it is obvious that some components may be omitted from this configuration or new components may be added when implementing the present disclosure. Meanwhile, a detailed description of the components described in FIG. 3a among the components illustrated in FIG. 3b will be omitted.

[0088] The third communication interface (240) includes a circuit. The third communication interface (240) communicates with an external device (400). The third communication interface (240) can communicate with the external device (400) via wired or wireless communication. The third communication interface (240) can include a wired communication module or a wireless communication module. The communication module can be implemented in the form of at least one hardware chip.

[0089] The wireless communication module may be a module that wirelessly communicates with an external device (400). For example, the wireless communication module may include at least one of a Wi-Fi module, a Bluetooth module, or an infrared communication module. However, the present invention is not limited to this example, and the wireless communication module may include a communication module that communicates according to various wireless communication standards, such as LTE (Long Term Evolution), LTE-A (LTE Advanced), 4G (4th Generation), and 5G (5th Generation).

[0090] The wired communication module may be a module that communicates with an external device (400) via a wire. For example, the wired communication module may include at least one communication module among an HDMI communication module, a USB (Universal Serial Bus) communication module, a USB C-type communication module, or a DP (Display Port) communication module.

[0091] The memory (250) may store data necessary for the operation of the electronic device (200) according to an embodiment of the present disclosure. For example, one or more instructions may be stored in the memory (250). In addition, the memory (250) may store programs, applications, and data for operating the electronic device (200). One or more processors (230) may execute the programs, applications, or instructions stored in the memory (250).

[0092] The memory (250) may be implemented as a memory embedded in the electronic device (200) (e.g., volatile memory, non-volatile memory, hard drive, solid state drive, etc.) depending on the purpose of data storage, or may be implemented as a memory that can be attached or detached to the electronic device (200) (e.g., memory card, external memory, etc.).

[0093] The input interface (260) includes a circuit. The input interface (260) can receive user input and transmit the user input to one or more processors (230). For example, the input interface (260) can receive various user inputs for setting or selecting various functions supported by the electronic device (200).

[0094] The input interface (260) may include various types of input devices.

[0095] In one example, the input interface (260) may include a physical button. The physical button may include a function key or a dial button. The physical button may also be implemented as one or more keys.

[0096] In one example, the input interface (260) can receive user input using a touch method. For example, the input interface (260) can be implemented as a touch screen capable of performing the function of a display.

[0097] For example, the input interface (260) may receive a user's voice using a microphone. One or more processors (230) may perform a function corresponding to the user's voice using voice recognition. For example, one or more processors (230) may convert the user's voice into text data using the STT function, obtain control command data based on the text data, and perform a function corresponding to the user's voice based on the control command data. Depending on the embodiment, the STT function may be performed by an external server.

[0098] For convenience of explanation, one or more processors (230) are referred to as processors (230) below.

[0099] The processor (230) can receive image data and audio data from an external device (400) through a third communication interface (240), and transmit the received image data and audio data to a display device (100) through a second communication interface (220).

[0100] In order to provide an ARC function, the display device (100) can transmit audio data received from the electronic device (200) to an audio output device (300) via the electronic device (200). The audio output device (300) connected to the electronic device (200) can output an audio signal based on the audio data received from the electronic device (200).

[0101] The display device (100) can transmit audio data of different formats to the electronic device (200) depending on the network status between the display device (100) and the electronic device (200), which will be described in more detail below.

[0102] FIG. 4 is a drawing for explaining a method for a display device to output an audio signal using an audio output device according to an embodiment of the present disclosure.

[0103] The processor (120) can receive data from the electronic device (200) via the communication interface (110) (S410). The data can include image data and audio data. For example, the electronic device (200) can receive image data and audio data from an external device (400) and transmit the image data and audio data to the display device (100) in packet form.

[0104] The processor (120) can identify the network status between the display device (100) and the electronic device (200) based on data received from the electronic device (200) through the communication interface (110) (S420).

[0105] The network status can be determined based on the packet loss rate between the display device (100) and the electronic device (200).

[0106] For example, the processor (120) can identify whether packet loss has occurred by using an identifier of a packet received from the electronic device (200). If the identifier is a number, the processor (120) can identify that packet loss has occurred and identify the number of lost packets if the numbers of packets sequentially received are not consecutive. In addition, the processor (120) can identify a packet loss rate based on the number of lost packets and the total number of packets. However, this is an example, and the processor (120) can also identify lost packets and the packet loss rate by using various known methods.

[0107] In addition, the processor (120) can identify the network status as a first state if the packet loss rate is below a threshold value, and can identify the network status as a second state if the packet loss rate is above the threshold value. In this case, the first state may indicate that the network quality is good, and the second state may indicate that the network quality is not good.

[0108] While the above example describes network status as being measured based on packet loss rates, the present invention is not limited to this example. For example, the processor (120) may also determine network status using various indicators such as bandwidth, time delay, and jitter.

[0109] The processor (120) can transmit audio data in different formats to the electronic device (200) through the communication interface (110) depending on the network status.

[0110] At this time, the format of the audio data can be determined based on the type of codec (e.g., audio codec) or the sampling rate for the audio data.

[0111] For example, the processor (120) may receive packets from the electronic device (200) through the communication interface (110), and when packet loss occurs, may recover the lost packets using a recovery algorithm for packet loss.

[0112] And, the processor (120) can obtain audio data from packets. At this time, the audio data may include compressed audio data or uncompressed audio data. If the audio data is compressed audio data, the processor (120) can identify the format of the compressed audio data. At this time, identifying the format of the compressed audio data may include identifying the codec used to compress the audio data. And, the processor (120) can decode the compressed audio data using the codec corresponding to the identified format to obtain the audio data.

[0113] The processor (120) can identify a format corresponding to a network status between the display device (100) and the electronic device (200), and transmit audio data having the identified format to the electronic device (200) through the communication interface (110).

[0114] For example, the processor (120) may identify a codec corresponding to the network status between the display device (100) and the electronic device (200), and may generate compressed audio data by compressing (or encoding) audio data using the identified codec. According to an embodiment, if there is audio data generated in the display device (100), the processor (120) may mix audio data received from the electronic device (200) and audio data generated in the display device (100), and may compress the mixed audio data using a codec corresponding to the network status.

[0115] And, the processor (120) can transmit compressed audio data to the electronic device (200) through the communication interface (110).

[0116] For example, referring to FIG. 5, if the network state is the first state (S510-Y), the processor (120) may generate compressed audio data using the first codec (S520) and transmit the compressed audio data to the electronic device (200) via the communication interface (110) (S530). In addition, if the network state is the second state (S510-N, S540-Y), the processor (120) may generate compressed audio data using the second codec (S550) and transmit the compressed audio data to the electronic device (200) via the communication interface (110) (S560).

[0117] At this time, the first codec and the second codec may be codecs supported by the audio output device (300). In addition, the first codec may be a codec capable of providing higher quality audio than the second codec. For example, the first codec may have a higher data rate than the second codec. In addition, the first codec may support a greater number of audio channels than the second codec. In one example, the first codec may be MAT (Metadata-enhanced Audio Transmission), and the second codec may be DD+ (Dolby Digital Plus). The data rate of MAT may be 24.57 Mbps, and the data rate of DD+ may be 2 Mbps. However, the present invention is not limited to this example, and the first codec and the second codec may be various types of codecs.

[0118] Additionally, the processor (120) can identify a sampling rate corresponding to a network status between the display device (100) and the electronic device (200) and generate audio data based on the identified sampling rate.

[0119] For example, the processor (120) may process audio data received from the electronic device (200) to obtain audio data in an analog form. In addition, the processor (120) may identify a sampling rate corresponding to a network status between the display device (100) and the electronic device (200), and sample audio data based on the identified sampling rate to generate audio data in a digital form (e.g., audio data in the form of PCM (Pulse Code Modulation)). According to an embodiment, when there is audio data generated in the display device (100), the processor (120) may mix audio data received from the electronic device (200) and audio data generated in the display device (100), and sample the mixed audio data based on the sampling rate to generate audio data.

[0120] And, the processor (120) can transmit the generated audio data to the electronic device (200) through the communication interface (110).

[0121] For example, referring to FIG. 6, if the network state is a first state (S610-Y), the processor (120) can generate audio data based on a first sampling rate (S620) and transmit the audio data to the electronic device (200) through the communication interface (110) (S630). In addition, if the network state is a second state (S610-N, S640-Y), the processor (120) can generate audio data based on a second sampling rate (S650) and transmit the audio data to the electronic device (200) through the communication interface (110) (S660).

[0122] At this time, the second sampling rate may be lower than the first sampling rate. For example, the first sampling rate may be a high sampling rate, and the second sampling rate may be a low sampling rate. In one example, the first sampling rate may be 192 kHz, and the second sampling rate may be 48 kHz. However, this example is not limited, and the sampling rate may have various values.

[0123] Meanwhile, when audio data is received from the display device (100) through the second communication interface (220), the processor (230) can transmit the audio data to the audio output device (300) through the first communication interface (210).

[0124] At this time, the format of the audio data received from the display device (100) can be determined based on the network status between the display device (100) and the electronic device (200).

[0125] For example, audio data received from the display device (100) may include compressed audio data compressed by a first codec when the network state between the display device (100) and the electronic device (200) is in a first state, and may include compressed audio data compressed by a second codec when the network state between the display device (100) and the electronic device (200) is in a second state. In this case, the first codec may be a codec having a higher data rate than the second codec. For example, the first codec may be MAT, and the second codec may be DD+.

[0126] According to one example, audio data received from the display device (100) may include audio data generated based on a first sampling rate when the network state between the display device (100) and the electronic device (200) is a first state, and may include audio data generated based on a second sampling rate lower than the first sampling rate when the network state between the display device (100) and the electronic device (200) is a second state. In this case, the audio data may include uncompressed audio data generated based on the sampling rate.

[0127] If the format of audio data received from the display device (100) is different from the format for transmitting audio data to the audio output device (300), the processor (230) changes the format of the audio data and transmits the audio data with the changed format to the audio output device (300) through the first communication interface (210).

[0128] At this time, the format of audio data transmitted to the audio output device (300) may be set based on user input or based on an audio processing method supported by the audio output device (300).

[0129] For example, the processor (230) can identify the format of audio data transmitted to the audio output device (300) based on user input.

[0130] According to one example, a user may input a user input for selecting a compression processing method by a first codec in consideration of an audio processing method supported by an audio output device (300) into the display device (100). When the user input for selecting a compression processing method by a first codec is input through the input interface (150), the processor (120) may transmit information about the first codec selected according to the user input to the electronic device (200) through the communication interface (110). The processor (230) may identify that audio data compressed by the first codec is transmitted to the audio output device (300) based on the information received from the display device (100).

[0131] For example, a user may input a user input for selecting an uncompressed processing method in consideration of an audio processing method supported by an audio output device (300) into the display device (100). When the user input for selecting an uncompressed processing method is input through the input interface (150), the processor (120) may transmit information about the uncompressed processing method selected according to the user input to the electronic device (200) through the communication interface (110). The processor (230) may identify that uncompressed audio data is transmitted to the audio output device (300) based on the information received from the display device (100).

[0132] Additionally, the processor (230) can identify the format of audio data transmitted to the audio output device (300) based on the audio processing method supported by the audio output device (300).

[0133] For example, the processor (230) can receive the EDID (Extended Display Identification Data) of the audio output device (300) from the audio output device (300) through the first communication interface (210). In addition, the processor (230) can identify an audio processing method supported by the audio output device (300) using the EDID. For example, the processor (230) can identify whether the audio output device (300) supports a compression processing method or a non-compression processing method. In addition, if the audio output device (300) supports a compression processing method, the processor (230) can identify a type of codec supported by the audio output device (300) and a codec (e.g., a first codec) that can provide the highest quality audio among the codecs supported by the audio output device (300).

[0134] In addition, if the audio output device (300) supports a compression processing method, the processor (230) can identify that audio data compressed by a codec (e.g., the first codec) capable of providing the highest quality audio is transmitted to the audio output device (300).

[0135] Additionally, if the audio output device (300) supports a non-compressed processing method, the processor (230) can identify that audio data generated based on a high sampling rate is transmitted to the audio output device (300).

[0136] In addition, if the audio output device (300) supports a compression processing method and an uncompressed processing method, the processor (230) can identify that audio data compressed by a codec (e.g., the first codec) capable of providing the highest quality audio or audio data generated based on a high sampling rate is transmitted to the audio output device (300).

[0137] In addition, the processor (230) can compare the format of audio data received from the display device (100) with the format of audio data transmitted to the audio output device (300), and transmit the audio data received from the display device (100) to the audio output device (300), or change the format of the audio data received from the display device (100) and transmit it to the audio output device (300).

[0138] For example, it is assumed that the format of audio data transmitted to the audio output device (300) is a compressed format by the first codec.

[0139] If the audio data received from the display device (100) includes audio data compressed by the first codec, the processor (230) can transmit the compressed audio data received from the display device (100) to the audio output device (300) through the first communication interface (210).

[0140] For example, referring to FIG. 7A, if the network status between the display device (100) and the electronic device (200) is the first status, the display device (100) can compress audio data using the MAT codec and transmit the compressed audio data to the electronic device (200). At this time, the processor (230) can transmit the compressed audio data received from the display device (100) to the audio output device (300). That is, the processor (230) can transmit the compressed audio data received from the display device (100) to the audio output device (300) without changing the format of the compressed audio data using another codec.

[0141] If the audio data received from the display device (100) includes audio data compressed by the second codec, the processor (230) can decode the audio data compressed by the second codec to obtain audio data, compress the audio data using the first codec, and transmit the audio data compressed by the first codec to the audio output device (300) through the first communication interface (210).

[0142] For example, referring to FIG. 7b, when the network status between the display device (100) and the electronic device (200) is the second status, the display device (100) can compress audio data using the DD+ codec and transmit it to the electronic device (200). At this time, the processor (230) can change the format of the compressed audio data received from the display device (100) using the MAT codec and transmit the compressed audio data using the MAT codec to the audio output device (300).

[0143] The audio output device (300) can receive compressed audio data from the electronic device (200) and identify a codec (e.g., a first codec) corresponding to the format of the compressed audio data. Then, the audio output device (300) can decode the compressed audio data using the first codec to obtain audio data and output an audio signal using the audio data.

[0144] In this way, according to the present disclosure, when the wireless network condition between the display device (100) and the electronic device (200) is poor, the display device (100) can reduce the amount of audio data transmitted to the electronic device (200) by compressing audio data using a codec having a low data rate and transmitting the compressed audio data to the electronic device (200). When the electronic device (200) receives audio data from the display device (100), the electronic device (200) can change the format of the audio data using a codec having a high data rate and transmit the converted audio data to the audio output device (300). Accordingly, according to the present disclosure, even when the quality of the wireless network between the display device (100) and the electronic device (200) is poor, an audio signal can be stably provided to the user using the audio output device (300).

[0145] For example, it is assumed that the format of audio data transmitted to the audio output device (300) is an uncompressed format.

[0146] If the audio data received from the display device (100) includes audio data generated based on the first sampling rate, the processor (230) can transmit the audio data to the audio output device (300) through the first communication interface (210).

[0147] For example, referring to FIG. 8A, when the network state between the display device (100) and the electronic device (200) is the first state, the display device (100) can transmit audio data generated based on a sampling rate of 192 kHz to the electronic device (200). At this time, the processor (230) can transmit the audio data received from the display device (100) to the audio output device (300). That is, the processor (230) can transmit the audio data received from the display device (100) to the audio output device (300) without changing the sampling rate of the audio data.

[0148] If the audio data received from the display device (100) includes audio data generated based on the second sampling rate, the processor (230) may sample the audio data based on the first sampling rate to obtain audio data generated based on the first sampling rate. For example, the processor (230) may process the audio data received from the display device (100) to obtain audio data in analog form, and sample the audio data based on the first sampling rate to generate the audio data. That is, the processor (230) may change the sampling rate of the audio data received from the display device (100). In addition, the processor (230) may transmit the audio data generated based on the first sampling rate to the audio output device (300) through the first communication interface (210).

[0149] For example, referring to FIG. 7B, when the network state between the display device (100) and the electronic device (200) is the second state, the display device (100) can transmit audio data generated based on a sampling rate of 48 kHz to the electronic device (200). The processor (230) can change the sampling rate of audio data received from the display device (100) to 192 kHz and transmit the audio data generated based on the sampling rate of 192 kHz to the audio output device (300).

[0150]

[0151] The audio output device (300) can process audio data received from the electronic device (200) and output an audio signal.

[0152] In this way, when the wireless network condition between the display device (100) and the electronic device (200) is poor, the display device (100) according to the present disclosure can transmit audio data generated using a low sampling rate to the electronic device (200), thereby reducing the amount of audio data transmitted to the electronic device (200). When the electronic device (200) receives audio data from the display device (100), it can change the format of the audio data using a high sampling rate and transmit it to the audio output device (300). Accordingly, according to the present disclosure, even when the quality of the wireless network between the display device (100) and the electronic device (200) is poor, it is possible to stably provide an audio signal to the user using the audio output device (300).

[0153] Meanwhile, in the above-described example, when the network status between the display device (100) and the electronic device (200) is the second state, the display device (100) reduces the amount of audio data transmitted to the electronic device (200) using a codec or sampling rate, but the present invention is not limited to this example.

[0154] For example, if the network status between the display device (100) and the electronic device (200) is the first status, the processor (120) can transmit audio data compressed by the first codec or audio data generated based on the first sampling rate to the electronic device (200) through the communication interface (110).

[0155] In addition, when the network status between the display device (100) and the electronic device (200) is the second state, the processor (120) may transmit a control command to the electronic device (200) through the communication interface (110) to transmit audio data received from the external device (400) to the audio output device (300). According to an embodiment, when there is audio data generated in the display device (100), the processor (120) may output an audio signal through the speaker (160) using the audio data generated in the display device (100).

[0156] At this time, if the network status between the display device (100) and the electronic device (200) is the second status, the processor (230) may receive a control command from the display device (100) through the second communication interface (220). Then, the processor (230) may transmit audio data received from the external device (400) to the audio output device (300) through the first communication interface (210) based on the control command. At this time, the audio data received from the external device (400) may not be transmitted to the display device (100). In addition, the processor (230) may transmit compressed audio data to the audio output device (300) using the first codec, or transmit audio data generated based on the first sampling rate to the audio output device (300). In this way, the electronic device (200) may transmit audio data directly to the audio output device (300) without going through the display device (100) (e.g., pass-through mode).

[0157] For example, referring to FIG. 9, when the network status between the display device (100) and the electronic device (200) is the second state, the electronic device (200) may compress audio data received from the external device (400) using a MAT codec and transmit it to the audio output device (300), or sample the audio data received from the external device (400) based on a sampling rate of 192 kHz and transmit it to the audio output device (300). Accordingly, audio data provided from the external device (400) may be provided to the audio output device (300) without passing through the display device (100).

[0158] Meanwhile, in the above-described example, it was described that the external device (400) provides video data and audio data, but it is not limited to this example.

[0159] According to one example, the display device (100) can receive video data and audio data from an external server that provides a streaming service. The display device (100) can display a video using the video data received from the external server, and transmit audio data received from the external server to the audio output device (300) via the electronic device (200). At this time, the display device (100) can transmit audio data in different formats to the electronic device (200) depending on the network status between the display device (100) and the electronic device (200). In addition, the electronic device (200) can transmit the audio data received from the display device (100) to the audio output device (300) based on the format of the audio data received from the display device (100) and the format of the audio data transmitted to the audio output device (300), or can change the format of the audio data received from the display device (100) and transmit it to the audio output device (300).

[0160] For example, the electronic device (200) may include a port connected to a coaxial cable (e.g., a port for cable broadcasting, terrestrial broadcasting, satellite broadcasting, etc.). In addition, the electronic device (200) may receive video data and audio data related to broadcasting through the port, and transmit the received video data and audio data to the display device (100). The display device (100) may display a video using the video data received from the electronic device (200), and transmit audio data received from the electronic device (200) to the audio output device (300) through the electronic device (200). At this time, the display device (100) may transmit audio data in different formats to the electronic device (200) depending on the network status between the display device (100) and the electronic device (200). And, the electronic device (200) can transmit audio data received from the display device (100) to the audio output device (300) based on the format of the audio data received from the display device (100) and the format of the audio data transmitted to the audio output device (300), or can change the format of the audio data received from the display device (100) and transmit it to the audio output device (300).

[0161] FIG. 10 is a flowchart illustrating an audio data transmission method of a display device according to an embodiment of the present disclosure.

[0162] The network status between the display device and the electronic device is identified based on data received from the electronic device (S1010).

[0163] Audio data in different formats is transmitted to an electronic device depending on the network status (S1020). An audio output device connected to the electronic device outputs an audio signal based on the audio data received from the electronic device.

[0164] The network status can be determined based on a packet loss rate between the display device and the electronic device. In step S1010, if the packet loss rate is below a threshold value, the network status can be identified as a first state, and if the packet loss rate is above the threshold value, the network status can be identified as a second state.

[0165] The format of the audio data can be determined based on the type of codec or the sampling rate for the audio data.

[0166] In step S1020, if the network state is the first state, compressed audio data may be generated using a first codec and the compressed audio data may be transmitted to the electronic device, and if the network state is the second state, compressed audio data may be generated using a second codec and the compressed audio data may be transmitted to the electronic device. The second codec may be a codec having a lower data rate than the first codec.

[0167] In step S1020, if the network state is the first state, audio data may be generated based on a first sampling rate and the generated audio data may be transmitted to the electronic device, and if the network state is the second state, audio data may be generated based on a second sampling rate lower than the first sampling rate and the generated audio data may be transmitted to the electronic device.

[0168] In step S1020, if the network state is the first state, the electronic device may transmit compressed audio data or audio data generated based on the first sampling rate using the first codec, and if the network state is the second state, the electronic device may transmit a control command to the electronic device so as to transmit audio data received from an external device to an audio output device.

[0169] FIG. 11 is a flowchart illustrating an audio data transmission method of an electronic device according to an embodiment of the present disclosure.

[0170] Receive audio data from a display device (S1110).

[0171] If the format of audio data received from the display device is different from the format for transmitting audio data to an audio output device, the format of the audio data is changed, and the audio data with the changed format is transmitted to the audio output device (S1120).

[0172] In this case, the format of the audio data received from the display device is determined based on the network status between the display device and the electronic device.

[0173] Audio data received from the display device may include compressed audio data compressed by a first codec when the network state between the display device and the electronic device is in a first state, and may include compressed audio data compressed by a second codec when the network state between the display device and the electronic device is in a second state. In this case, the first codec may be a codec having a higher data rate than the second codec.

[0174] In addition, the format of the audio data transmitted to the audio output device may be a compressed format by the first codec. In step S1120, if the audio data received from the display device includes audio data compressed by the first codec, the audio data compressed by the first codec may be transmitted to the audio output device, and if the audio data received from the display device includes audio data compressed by the second codec, the audio data compressed by the second codec may be decoded to obtain the audio data, the audio data may be compressed using the first codec, and the audio data compressed by the first codec may be transmitted to the audio output device.

[0175] The first codec may be MAT (Metadata-enhanced Audio Transmission), and the second codec may be DD+ (Dolby Digital Plus).

[0176] Audio data received from the display device may include audio data generated based on a first sampling rate when the network state between the display device and the electronic device is a first state, and may include audio data generated based on a second sampling rate lower than the first sampling rate when the network state between the display device and the electronic device is a second state.

[0177] In this case, the format of the audio data transmitted to the audio output device may be an uncompressed format. In step S1120, if the audio data received from the display device includes audio data generated based on the first sampling rate, the audio data may be transmitted to the audio output device, and if the audio data received from the display device includes audio data generated based on the second sampling rate, the audio data may be sampled based on the first sampling rate to obtain audio data generated based on the first sampling rate, and the audio data generated based on the first sampling rate may be transmitted to the audio output device.

[0178] The format of audio data transmitted to the audio output device may be set based on user input or based on the audio processing method supported by the audio output device.

[0179] Additionally, when the network status between the display device and the electronic device is in the second state, a control command can be received from the display device, and audio data received from an external device based on the control command can be transmitted to the audio output device. In this case, the audio data received from the external device may not be transmitted to the display device.

[0180] Meanwhile, the various embodiments described above may be implemented in a computer-readable recording medium or similar device using software, hardware, or a combination thereof. In some cases, the embodiments described herein may be implemented by the processor itself. In a software implementation, embodiments, such as the procedures and functions described herein, may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein.

[0181] Meanwhile, computer instructions for performing processing operations of an electronic device according to various embodiments of the present disclosure described above may be stored in a non-transitory computer-readable medium. When the computer instructions stored in such a non-transitory computer-readable medium are executed by a processor of a specific device, the computer instructions cause the specific device to perform processing operations in a modular display device (100) according to various embodiments described above.

[0182] A non-transitory computer-readable medium refers to a medium that permanently stores data and can be read by a device, rather than a medium that stores data for a short period of time, such as a register, cache, or memory. Specific examples of non-transitory computer-readable media include CDs, DVDs, hard disks, Blu-ray discs, USBs, memory cards, and ROMs.

[0183] Although the preferred embodiments of the present disclosure have been illustrated and described above, the present disclosure is not limited to the specific embodiments described above, and various modifications may be made by a person having ordinary skill in the art to which the present disclosure pertains without departing from the gist of the present disclosure as claimed in the claims, and such modifications should not be understood individually from the technical idea or prospect of the present disclosure.

Claims

1. In electronic devices, First communication interface; a second communication interface for wirelessly communicating with the display device; and When audio data is received from the display device through the second communication interface, it includes one or more processors that transmit the audio data to an audio output device through the first communication interface; The format of audio data received from the above display device is: is determined based on the network status between the display device and the electronic device, One or more of the above processors, An electronic device that changes the format of audio data received from the display device when the format of the audio data is different from the format for transmitting the audio data to an audio output device, and transmits the audio data with the changed format to the audio output device through the first communication interface.

2. In paragraph 1, Audio data received from the above display device, If the network state between the display device and the electronic device is the first state, the compressed audio data compressed by the first codec is included, If the network status between the display device and the electronic device is the second state, it includes compressed audio data compressed by the second codec, An electronic device wherein the first codec has a higher data rate than the second codec.

3. In paragraph 2, The format of the audio data transmitted to the above audio output device is a compressed format by the first codec, One or more of the above processors, If the audio data received from the display device includes audio data compressed by the first codec, the audio data compressed by the first codec is transmitted to the audio output device through the first communication interface, An electronic device that, when audio data received from the display device includes audio data compressed by the second codec, decodes the audio data compressed by the second codec to obtain audio data, compresses the audio data using the first codec, and transmits the audio data compressed by the first codec to the audio output device through the first communication interface.

4. In paragraph 2, The first codec is MAT (Metadata-enhanced Audio Transmission), The above second codec is an electronic device that is DD+ (Dolby Digital Plus).

5. In paragraph 1, Audio data received from the above display device, If the network status between the display device and the electronic device is the first state, the audio data generated based on the first sampling rate is included, An electronic device including audio data generated based on a second sampling rate lower than the first sampling rate, when the network state between the display device and the electronic device is a second state.

6. In paragraph 5, The format of the audio data transmitted to the above audio output device is an uncompressed format, One or more of the above processors, If the audio data received from the display device includes audio data generated based on the first sampling rate, the audio data is transmitted to the audio output device through the first communication interface, An electronic device that samples audio data based on the first sampling rate to obtain audio data generated based on the first sampling rate, if audio data received from the display device includes audio data generated based on the second sampling rate, and transmits the audio data generated based on the first sampling rate to the audio output device through the first communication interface.

7. In paragraph 1, The format of audio data transmitted to the above audio output device is: An electronic device that is set based on the user input or based on an audio processing method supported by the audio output device.

8. In paragraph 1, One or more of the above processors, When the network status between the display device and the electronic device is the second state, a control command is received from the display device through the second communication interface, and audio data received from an external device based on the control command is transmitted to the audio output device through the first communication interface. An electronic device in which audio data received from the external device is not transmitted to the display device.

9. In a method for transmitting audio data of an electronic device, A step of receiving audio data from a display device; and If the format of audio data received from the display device is different from the format for transmitting the audio data to an audio output device, the method comprises the step of changing the format of the audio data and transmitting the audio data with the changed format to the audio output device; The format of audio data received from the above display device is: A method for transmitting audio data determined based on a network status between the display device and the electronic device.

10. In paragraph 9, Audio data received from the above display device, If the network state between the display device and the electronic device is the first state, the compressed audio data compressed by the first codec is included, If the network status between the display device and the electronic device is the second state, it includes compressed audio data compressed by the second codec, An audio data transmission method wherein the first codec has a higher data rate than the second codec.

11. In paragraph 10, The format of the audio data transmitted to the above audio output device is a compressed format by the first codec, The above transmitting step is, If the audio data received from the display device includes audio data compressed by the first codec, a step of transmitting the audio data compressed by the first codec to the audio output device; and An audio data transmission method comprising: a step of, when audio data received from the display device includes audio data compressed by the second codec, decoding the audio data compressed by the second codec to obtain audio data, compressing the audio data using the first codec, and transmitting the audio data compressed by the first codec to the audio output device; 12. In paragraph 10, The first codec is MAT (Metadata-enhanced Audio Transmission), The above second codec is an audio data transmission method called DD+ (Dolby Digital Plus).

13. In paragraph 9, Audio data received from the above display device, If the network status between the display device and the electronic device is the first state, the audio data generated based on the first sampling rate is included, A method for transmitting audio data, the method comprising: generating audio data based on a second sampling rate lower than the first sampling rate when the network state between the display device and the electronic device is a second state.

14. In paragraph 13, The format of the audio data transmitted to the above audio output device is an uncompressed format, The above transmitting step is, If the audio data received from the display device includes audio data generated based on a first sampling rate, a step of transmitting the audio data to the audio output device; and An audio data transmission method comprising: a step of sampling audio data based on the first sampling rate to obtain audio data generated based on the first sampling rate, if audio data received from the display device includes audio data generated based on the second sampling rate, and transmitting the audio data generated based on the first sampling rate to the audio output device.

15. In paragraph 9, The format of audio data transmitted to the above audio output device is: An audio data transmission method set based on the user input or based on an audio processing method supported by the audio output device.

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