In-vehicle infotainment system and shortcut operation method thereof

Abstract

The invention provides an in-vehicle infotainment system and a shortcut operation method thereof, and the in-vehicle infotainment system comprises an instruction receiving module which monitors an input mute or playing instruction in real time; the focus control module is used for controlling mutual conversion between an empty focus and an audio focus after receiving the mute or playing instruction sent by the instruction receiving module; and the application coordination module sends a pause or play instruction to the application program according to the conversion of the audio focus. The shortcut operation method comprises the following steps: S1) performing shortcut operation on the vehicle-mounted terminal system to realize one-key mute of the vehicle-mounted terminal system, throwing out an empty focus, enabling a playing application to leave a running audio focus, obtaining the empty focus, and pausing the playing of the application; and S2) carrying out shortcut operation on the vehicle-mounted terminal system to cancel the mute of the vehicle-mounted terminal system by one key and throw out the audio focus, at the moment, throwing out the empty focus by the application which is running the empty focus, simultaneously obtaining the audio focus, cancelling and pausing the application, and continuing playing.

Description

Technical Field

[0001] The present invention relates to an embedded system and an operating method thereof, and in particular to a vehicle computer system and a quick operating method thereof. Background Art

[0002] With the rapid development of intelligent connected vehicles, adopting Android as the operating system for in-vehicle infotainment systems has become a mainstream industry trend. With its open source nature and mature ecosystem, Android offers a rich suite of applications (such as navigation, music, and video) for in-vehicle scenarios, significantly reducing development costs for automakers and expanding the user experience. However, Android's native design focuses on mobile phone use cases, and some features have limited compatibility in the vehicle environment. In particular, the convenience and safety of interactive driving scenarios require urgent optimization.

[0003] Specifically, the mute operation of the Android native system only controls the volume output and does not pause the audio or video content being played. Taking the mobile phone scenario as an example, if the user needs to pause the playback, he needs to manually enter the corresponding application interface and click the pause button. This operation does not cause obvious inconvenience in a stationary scene, but there are significant defects during vehicle driving: the driver needs to frequently switch screen interfaces and locate function buttons, causing the line of sight to deviate from the road for a long time, violating the safety design principle of "zero-level operation" (i.e., no interface jump required) for in-vehicle interaction. In contrast, in-vehicle scenarios rely more on non-visual interaction methods such as physical buttons (such as multi-function steering wheel buttons) and voice commands to achieve "blind operation" or "low visual interference operation" to ensure driving safety.

[0004] Currently, the native Android architecture doesn't offer a mechanism for linking volume adjustment with playback control. Its Audio Focus and Media Session modules primarily prioritize multi-app audio conflicts, rather than integrating operational functionality. Therefore, achieving "intelligent linkage between silent operation and playback pause" in in-vehicle scenarios through a lightweight design without relying on complex underlying system modifications or increasing the burden of application adaptation has become a key technical challenge in improving the interactive efficiency and security of Android in-vehicle systems. Summary of the Invention

[0005] In order to solve the above problems, the purpose of this application is to provide a simple vehicle system and a quick operation method thereof.

[0006] This application provides a quick operation method for a vehicle system, including the following steps:

[0007] S1) Performing a quick operation on the vehicle system by inputting the mute command key to mute the vehicle system with one click, the empty focus is thrown out, the application currently playing hands over the running audio focus, obtains the empty focus, and the application pauses playing and enters the mute state;

[0008] S2) Perform a quick operation on the vehicle system and input a play command to unmute the vehicle system with one click. The audio focus is thrown out. At this time, the application running with empty focus throws empty focus and obtains audio focus at the same time. The application cancels pause and continues playing.

[0009] The step S1) specifically includes the following steps:

[0010] S11) The audio calls the audio processing control to mute the media channel;

[0011] S12) The audio requests an empty focus to seize the focus of the currently playing music;

[0012] S13) After receiving the empty focus, the media application pauses the music.

[0013] The step S2) specifically includes the following steps:

[0014] S21) When the vehicle system is unmuted by one button, the audio manager determines that the current music is in a paused state and sends a media play instruction;

[0015] S22) The audio processing control unmutes the media channel, and the empty focus is released;

[0016] S23) The media application receives the audio focus and continues playing music.

[0017] Furthermore, in the quick operation method of the vehicle system, the audio manager determines the status of music playback through a music activity status detection interface.

[0018] Furthermore, in the quick operation method of the vehicle system, the mute instruction includes physical buttons, virtual buttons on the touch screen and voice control instructions.

[0019] Furthermore, in the quick operation method of the vehicle system, in the silent state, the navigation application maintains independent volume control and is not muted by the operation of the mute key.

[0020] Furthermore, in the quick operation method of the vehicle system, when the vehicle system receives an emergency signal with a higher priority than the current audio application, the mute operation is temporarily blocked until the emergency signal is processed.

[0021] The present application also provides a vehicle system for implementing the quick operation method, including:

[0022] A command receiving module, which monitors input mute or play commands in real time;

[0023] a focus control module, which controls the mutual conversion between the empty focus and the audio focus after receiving the mute or play instruction sent by the instruction receiving module;

[0024] An application coordination module sends a pause or play instruction to the application program according to the change of the audio focus.

[0025] Furthermore, the instruction receiving module receives instructions including physical buttons, touch screen and voice input.

[0026] Furthermore, the focus control module includes an audio manager and audio processing hardware. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a flow chart of a quick operation method of a vehicle computer system according to the present invention;

[0028] Figure 2 This is a specific flow chart of a quick operation method for a vehicle system of the present invention to execute pause and mute;

[0029] Figure 3 This is a specific flow chart of a quick operation method for canceling pause and mute of a vehicle system according to the present invention;

[0030] Figure 4 This is a flowchart of the native Android system's pause and mute functions;

[0031] Figure 5 This is a schematic diagram of a quick operation method for a vehicle system of the present invention for switching the empty focus and audio focus of a media application. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the implementation of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below in conjunction with the drawings in the embodiments of this application. In the drawings, the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of this application, not all of the embodiments. The embodiments described below with reference to the drawings are exemplary and are intended to be used to explain this application, and should not be understood as limitations on this application. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0033] In addition, it should be noted that, unless otherwise clearly stipulated and limited, the words "install", "connect", "connect" and similar terms used in the description of this application should be understood in a broad sense. For example, the connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or a connection between two components. Technical personnel in the field can understand their specific meanings in this application according to the specific circumstances.

[0034] This application introduces the concept of audio focus, implements the Mediasession function through various video media applications, and adds the concept of empty focus, managing the focus and the playback status reported by Mediasession to achieve quick operation of the car system.

[0035] Empty focus is a special state indicator that distinguishes it from audio focus. When the user mutes the audio, the focus control module throws empty focus. The currently playing application relinquishes audio focus and holds empty focus. At this point, other applications have neither audio focus nor empty focus. Its core function is to implement intelligent switching and recovery of audio playback in media applications:

[0036] State management during muting: After the muting operation, the currently playing application no longer actually occupies the audio focus, avoiding audio output. However, by holding the empty focus, it retains the qualification for subsequent priority restoration, ensuring that other applications cannot obtain audio focus at this time, avoiding confusion.

[0037] Automatic resume after unmuting: When the user unmutes the audio and the focus control module loses audio focus, the app holding the empty focus releases it and takes over audio focus, automatically resuming playback. This process eliminates the need for the user to manually specify the playback app, resolving the inconvenience of the native Android system requiring the user to specify the pause and play app. This improves operational convenience and automation, making the car system more intelligent and efficient in audio focus management and optimizing the user experience.

[0038] Figure 1 This is a flow chart of a quick operation method of a vehicle system of the present invention. Figure 1 As shown, this application provides a quick operation method of a vehicle system, including the following steps:

[0039] S1) Performing a quick operation on the vehicle system by inputting the mute command key to mute the vehicle system with one click, the empty focus is thrown out, the application currently playing hands over the running audio focus, obtains the empty focus, and the application pauses playing and enters the mute state;

[0040] S2) Perform a quick operation on the vehicle system and input a play command to unmute the vehicle system with one click. The audio focus is thrown out. At this time, the application running with empty focus throws empty focus and obtains audio focus at the same time. The application cancels pause and continues playing.

[0041] Figure 2 This is a specific flow chart of a quick operation method for a vehicle system of the present invention to perform pause and mute. Figure 2 As shown, the step S1) specifically includes the following steps:

[0042] S11) The audio calls the audio processing control to mute the media channel;

[0043] S12) The audio requests an empty focus to seize the focus of the currently playing music;

[0044] S13) After receiving the empty focus, the media application pauses the music.

[0045] Figure 3 This is a specific flow chart of a quick operation method for canceling pause and mute of a vehicle system of the present invention, such as Figure 3 As shown, the step S2) specifically includes the following steps:

[0046] S21) When the vehicle system is unmuted by one button, the audio manager determines that the current music is in a paused state and sends a media play instruction;

[0047] S22) The audio processing control unmutes the media channel, and the empty focus is released;

[0048] S23) The media application receives the audio focus and continues playing music.

[0049] Furthermore, in the quick operation method of the vehicle system, the audio manager determines the status of music playback through a music activity status detection interface.

[0050] Furthermore, in the quick operation method of the vehicle system, the mute instruction includes physical buttons, virtual buttons on the touch screen and voice control instructions.

[0051] Furthermore, in the quick operation method of the vehicle system, in the silent state, the navigation application maintains independent volume control and is not muted by the operation of the mute key.

[0052] Furthermore, in the quick operation method of the vehicle system, when the vehicle system receives an emergency signal with a higher priority than the current audio application, the mute operation is temporarily blocked until the emergency signal is processed.

[0053] The present application also provides a vehicle system for implementing the quick operation method, including:

[0054] A command receiving module, which monitors input mute or play commands in real time;

[0055] a focus control module, which controls the mutual conversion between the empty focus and the audio focus after receiving the mute or play instruction sent by the instruction receiving module;

[0056] An application coordination module sends a pause or play instruction to the application program according to the change of the audio focus.

[0057] Furthermore, the instruction receiving module receives instructions including physical buttons, touch screen and voice input.

[0058] Furthermore, the focus control module includes an audio manager and audio processing hardware.

[0059] Figure 4 This is a flowchart of the native Android system's pause and mute functions, such as Figure 4 As shown,

[0060] Carinputservice is used to receive user operations;

[0061] Car Audio Service processes audio logic;

[0062] Mediasession (Android's native framework) handles audio and video playback status;

[0063] APP refers to general video and audio playback APP, such as Himalaya, Kuwo, iQiyi, etc.;

[0064] DSP hardware is the hardware that processes audio.

[0065] Depend on Figure 4 As can be seen from the flowchart, the mute switching of the car system and the playback status switching of the media application are independent of each other, and the user needs to find the video media interface and then operate separately.

[0066] If you need to associate the two, the Android system needs to remember the APP that was using the audio channel before muting, which does not exist in the native Android code. This means that the Android system directly uses native logic to link system muting and APP pause. When the system is in a mute-pause state and the user unmutes it, the Android system does not know which application to resume playing, such as iQiyi, Himalaya, Kuwo, etc. In order to solve this problem, this application introduces the concept of audio focus. Without changing the original Android system mute-pause framework, each application APP switches between pause and play by identifying the state of the audio focus.

[0067] Figure 5 This is a schematic diagram of a quick operation method for a vehicle system of the present invention for switching the empty focus and audio focus of a media application, such as Figure 5 As shown, the native Android system requires user operation to specify the APP to be paused and played. However, using the car system and its shortcut operation method of the present application, when the user operates the mute, the user does not need to click on the APP that is playing. The focus control module throws out the empty focus, and the application that is playing hands over the audio focus and obtains the empty focus. Other applications have neither audio focus nor empty focus. When the user cancels the mute, the focus control module throws out the audio focus again, and the application with empty focus throws out the empty focus and obtains the audio focus. It can automatically play.

[0068] The specific steps for mute pause are as follows:

[0069] 1. Audio calls the DSP (hardware that processes audio) control to mute the media channel;

[0070] 2. Audio applies for AUDIOFOCUS_GAIN_TRANSIENT (temporary audio focus) of mute_key (mute key) to seize the focus of the currently playing music;

[0071] 3. After the media application receives AUDIOFOCUS_LOSS (audio focus lost), it pauses the music.

[0072] The specific steps to cancel muted playback are as follows:

[0073] 1. After the system determines that the current music is in the paused state through the isMusicActive interface (music activity status detection interface) of audiomanager (audio manager), the system will send the KEYCODE_MEDIA_PLAY (media play key code) button;

[0074] 2. The DSP control unmutes the media channel. The mute_key focus is released;

[0075] 3. The media application receives AUDIO_FOCUS_STATE_GAIN (audio focus gain) and needs to continue playing music.

[0076] Example

[0077] For example, when a user is in the full-screen navigation interface and listening to an audiobook simultaneously, in the native Android operating system scenario, to pause the audiobook, the user first needs to look away from the navigation interface and manually switch from the full-screen navigation interface to the audiobook application interface. This process requires not only manual operation but also visual confirmation of the interface switch. Next, in the audiobook application interface, the user needs to locate and click the pause button, at this time fully focusing on the audiobook application. Finally, the user needs to switch back to the full-screen navigation interface to continue viewing navigation information. The entire operation process requires three hand-eye operations. In the driving scenario, this frequent interface switching and operation undoubtedly increases the user's operational burden, distracts driving attention, and thus poses certain safety risks.

[0078] Based on the vehicle-mounted system and its quick operation method of the present invention, in the same full-screen navigation interface and in the scenario of listening to audio books, the user only needs one operation to pause the audio book without affecting the navigation playback. Specifically, when the user clicks the mute button, the system will directly pause the playback of the audio book based on the focus control module of the present invention. Throughout the entire process, the full-screen navigation interface always maintains a normal display and playback state without the need for any interface switching. This operation greatly simplifies the process, and the user's sight hardly needs to leave the navigation interface, and the target action can be completed with a single hand operation, which not only greatly saves operation time, but more importantly, reduces distraction during driving, effectively improving driving safety and operational convenience. By comparison, it can be seen that the vehicle-mounted system integrating the present invention has significant advantages in operating efficiency, user experience and driving safety.

[0079] The present invention has the following beneficial effects:

[0080] 1. Convenient operation: One-touch mute and play pause can be achieved without switching screen interfaces, improving operating efficiency in driving scenarios.

[0081] 2. Driving safety: Reduce the time the driver's eyes are away from the road, avoid frequent manual operations, and comply with the "zero-level operation" safety design principle of in-vehicle interaction.

[0082] 3. System adaptability: There is no need to modify the native Android underlying code, nor is there a need for third-party applications to adapt separately. Functional integration is achieved through system-level logic optimization, with strong compatibility and low development costs.

[0083] The above embodiments are merely further explanations of the present invention and are not intended to limit the present invention in any other manner. The present invention may also have various other embodiments. Those skilled in the art may make various corresponding modifications and variations based on the present invention without departing from the spirit and substance of the present invention, and such corresponding modifications and variations shall fall within the scope of protection of the present invention.

[0084] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0085] It should be noted that, in this application, the terms "comprises", "includes" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. It should also be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

[0086] The above embodiments are provided for persons familiar with the art to implement or use the present application. Personnel familiar with the art may make various modifications or changes to the above embodiments without departing from the application concept of the present application. Therefore, the scope of protection of the present application is not limited to the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.

Claims

1. A quick operation method for a vehicle system, characterized in that: The method comprises the following steps: S1) Performing a quick operation on the vehicle system by inputting the mute command key to mute the vehicle system with one click, the empty focus is thrown out, the application currently playing hands over the running audio focus, obtains the empty focus, and the application pauses playing and enters the mute state; S2) Perform a quick operation on the vehicle system and input a play command to unmute the vehicle system with one click. The audio focus is thrown out. At this time, the application running with empty focus throws empty focus and obtains audio focus at the same time. The application cancels pause and continues playing.

2. The quick operation method of the vehicle system according to claim 1, characterized in that: The step S1) specifically includes the following steps: S11) The audio calls the audio processing control to mute the media channel; S12) The audio requests an empty focus to seize the focus of the currently playing music; S13) After receiving the empty focus, the media application pauses the music.

3. The quick operation method of a vehicle system according to claim 1, characterized in that: The step S2) specifically includes the following steps: S21) When the vehicle system is unmuted by one button, the audio manager determines that the current music is in a paused state and sends a media play instruction; S22) The audio processing control unmutes the media channel, and the empty focus is released; S23) The media application receives the audio focus and continues playing music.

4. The quick operation method of the vehicle system according to claim 3, characterized in that: The audio manager determines the status of music playback through a music activity status detection interface.

5. The quick operation method of a vehicle system according to claim 1, characterized in that: The mute command includes physical buttons, virtual buttons on the touch screen and voice control commands.

6. The method according to claim 1, characterized in that In the mute state, the navigation application maintains independent volume control and is not muted by the mute key operation.

7. The quick operation method of a vehicle system according to claim 1, characterized in that: When the vehicle system receives an emergency signal with a higher priority than the current audio application, the mute operation is temporarily blocked until the emergency signal is processed.

8. A vehicle system for implementing the quick operation method according to any one of claims 1 to 7, characterized in that: include: A command receiving module, which monitors input mute or play commands in real time; a focus control module, which controls the mutual conversion between the empty focus and the audio focus after receiving the mute or play instruction sent by the instruction receiving module; An application coordination module sends a pause or play instruction to the application program according to the change of the audio focus.

9. The vehicle system according to claim 8, characterized in that: The instruction receiving module receives instructions including physical buttons, touch screen and voice input.

10. The vehicle system according to claim 8, characterized in that: The focus control module includes an audio manager and audio processing hardware.

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