Smart phone shell with audio noise reduction function

Abstract

The utility model discloses an intelligent mobile phone shell with an audio noise reduction function, which comprises a shell, a main control board, a microphone and a first interface, the main control board is arranged on the shell, a main control chip and a memory are arranged on the main control board, an audio processor is arranged in the main control chip, the audio processor is connected with the memory, the microphone is arranged on the shell, and the first interface is connected with the microphone. The microphone is connected with the audio processor, the first interface is connected with the main control board, the first interface is used for being connected with an intelligent mobile phone, and the intelligent mobile phone supplies power to the main control board through the first interface and accesses the memory through the first interface. The audio processor carries out noise reduction and other processing on the recorded audio, the recording quality is improved, additional external recording equipment is not needed, the hands of a user are liberated, and convenience is improved.

Description

Technical Field

[0001] The utility model relates to a mobile phone protection technology, in particular to a smart phone case with an audio noise reduction function. Background Art

[0002] With the development of mobile Internet technology, smartphones have brought great convenience to people's daily life and work, becoming an indispensable and important tool.

[0003] When using smartphones, users often need to record audio, such as audio from apps or phone calls. However, due to the closed nature of some apps, in-app recording isn't supported, so an external recording device is needed. The external recording device pairs with the smartphone's Bluetooth, records the smartphone's external audio, and transmits it back to the smartphone via Bluetooth.

[0004] Bluetooth recording devices have problems such as low recording sampling rate, poor recording quality, and poor noise reduction. In addition, the additional external recording device increases the burden on users and brings inconvenience to users. Utility Model Content

[0005] The utility model provides a smart phone case with an audio noise reduction function, which can improve recording quality and convenience.

[0006] A smart phone case with audio noise reduction function, comprising:

[0007] case;

[0008] A main control board, the main control board is arranged on the housing, a main control chip and a memory are arranged on the main control board, the main control chip has a built-in audio processor, and the audio processor is connected to the memory;

[0009] a microphone, the microphone being disposed on the housing and connected to the audio processor;

[0010] A first interface is connected to the main control board, and the first interface is used to connect to a smart phone. The smart phone supplies power to the main control board through the first interface and accesses the memory through the first interface.

[0011] Optionally, a sensor is also provided on the side wall of the shell, and the sensor is connected to the main control chip. The sensor generates a recording control signal in response to the user's interactive operation and uploads it to the main control chip. The main control chip controls the microphone to start or stop recording in response to the recording control signal.

[0012] Optionally, the microphone includes a main microphone and a secondary microphone, both of which are connected to the audio processor, the main microphone is arranged at the bottom of the shell, and the secondary microphone is arranged at the top of the shell.

[0013] Optionally, the first interface is a Type-C USB interface, and the first interface is arranged at the bottom of the shell.

[0014] Optionally, the smart phone case with audio noise reduction function also includes a second interface, which is arranged at the bottom of the shell, and the second interface is connected to the first interface, and the second interface is a Type-C USB interface.

[0015] Optionally, the smart phone case with audio noise reduction function also includes a wireless charging module, which is connected to the main control board and is arranged in the central area of ​​the back plate of the shell.

[0016] Optionally, the smart phone case with audio noise reduction function further includes a magnetic module, which is arranged in the central area of ​​the back plate of the case.

[0017] Optionally, the smart phone case with audio noise reduction function further includes a bone conduction vibrator, which is connected to the audio processor.

[0018] Optionally, the shell is provided with a first protrusion for protecting the camera of the smartphone, and the shell is also provided with a second protrusion for accommodating the main control board and a third protrusion for accommodating the bone conduction vibrator. The first protrusion, the second protrusion and the third protrusion are integrally arranged, and the protrusion heights are equal.

[0019] Optionally, the smart phone case with audio noise reduction function further includes an indicator light, which is arranged at the top or bottom of the case and is connected to the main control board.

[0020] The utility model provides a smart phone case with an audio noise reduction function, comprising a shell, a main control board, a microphone and a first interface. The main control board is arranged on the shell, and a main control chip and a memory are arranged on the main control board. The main control chip has an audio processor built in, and the audio processor is connected to the memory. The microphone is arranged on the shell, and the microphone is connected to the audio processor. The first interface is connected to the main control board. The first interface is used to connect to a smart phone. The smart phone supplies power to the main control board through the first interface and accesses the memory through the first interface. The utility model records audio through the microphone and transmits it to the audio processor through a wired manner. The audio processor performs noise reduction and other processing on the recorded audio, thereby improving the recording quality. No additional external recording equipment is required, freeing the user's hands and improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 A front view of a smartphone case with audio noise reduction function provided by an embodiment of the present invention;

[0023] Figure 2 A side view of a smartphone case with audio noise reduction function provided by an embodiment of the present invention;

[0024] Figure 3 This is a diagram of the internal connections of a smart phone case with audio noise reduction function provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0025] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved more clearly, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work shall fall within the scope of protection of the present invention.

[0026] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0027] In the present invention, unless otherwise expressly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0028] Figure 1 This is a front view of a smart phone case with audio noise reduction function provided by an embodiment of the utility model. Figure 2 This is a side view of a smart phone case with audio noise reduction function provided by an embodiment of the utility model. Figure 3 This is a diagram of the internal connections of a smart phone case with audio noise reduction function provided by an embodiment of the present invention, such as Figure 1 、 2 As shown in FIG. 3 , the smart phone case with audio noise reduction function includes:

[0029] The housing 110 exemplarily includes a back plate and four side walls, with an open top, and the smartphone is embedded in the housing 110. The present invention does not limit the material of the housing 110, and may include but is not limited to PC, ABS, silicone, leather, wood, and carbon fiber.

[0030] The main control board 120 is disposed on the housing 110 . The main control board 120 is provided with a main control chip 121 and a memory 123 . The main control chip 121 has a built-in audio processor 122 , and the audio processor 122 is connected to the memory 123 .

[0031] Microphone 130 : The microphone 130 is disposed on the housing 110 and is connected to the audio processor 122 .

[0032] The first interface 141 is connected to the main control board 120 . The first interface 141 is used to connect to a smartphone. The smartphone supplies power to the main control board 120 through the first interface 141 and accesses the memory 123 through the first interface 141 .

[0033] Exemplarily, when the smartphone is embedded in the housing 110, the charging / data interface of the smartphone is connected to the first interface 141 to power the main control board 120. When recording is required, the main control chip 121 controls the microphone 130 to work, record audio, and send the audio data to the audio processor 122 for processing, for example, noise reduction, and storage in the memory 123. It should be noted that the microphone 130 is used to record external sounds, such as the sound played by the smartphone through the speaker and the sound made by the user during a call. For sounds that are not played by the smartphone through the speaker, for example, through headphones, receivers, etc., the audio data can be directly transmitted to the main control chip 121 through the first interface 141, and transmitted by the main control chip 121 to the memory 123 for storage. The smartphone can access the audio data stored in the memory 123 through the first interface 141.

[0034] The utility model provides a smart phone case with an audio noise reduction function, comprising a shell, a main control board, a microphone and a first interface. The main control board is arranged on the shell, and a main control chip and a memory are arranged on the main control board. The main control chip has an audio processor built in, and the audio processor is connected to the memory. The microphone is arranged on the shell, and the microphone is connected to the audio processor. The first interface is connected to the main control board. The first interface is used to connect to a smart phone. The smart phone supplies power to the main control board through the first interface and accesses the memory through the first interface. The utility model records audio through the microphone and transmits it to the audio processor through a wired manner. The audio processor performs noise reduction and other processing on the recorded audio, thereby improving the recording quality. No additional external recording equipment is required, freeing the user's hands and improving convenience.

[0035] In some embodiments of the present invention, a sensor 150 is further provided on the side wall of the housing 110. The sensor 150 is connected to the main control chip 121. In response to user interaction, the sensor 150 generates a recording control signal and transmits it to the main control chip 121. The main control chip 121 controls the microphone 130 to start or stop recording in response to the recording control signal. For example, the sensor 150 may be a capacitive sensor or a piezoelectric ceramic sensor, which is not limited in the present embodiments.

[0036] In some embodiments of the present invention, the microphone 130 includes a main microphone 131 and a secondary microphone 132. Both the main microphone 131 and the secondary microphone 132 are connected to the audio processor 122. The main microphone 131 is located at the bottom of the housing 110, and the secondary microphone 132 is located at the top of the housing 110. The main microphone 131 is a common microphone used by users during calls to collect human voices, while the secondary microphone 132 has a background noise collection function to facilitate the collection of ambient noise. The audio processor 122 processes the signals collected by the main microphone 131 and the secondary microphone 132 to achieve noise reduction.

[0037] In some embodiments of the present invention, the first interface 141 is a Type-C USB interface, and the first interface 141 is arranged at the bottom of the shell 110. When the smartphone is embedded in the shell 110, the first interface 141 can be inserted into the charging / data interface of the smartphone.

[0038] In some embodiments of the present invention, the smartphone case with audio noise reduction further includes a wireless charging module 160. The main control board 120 is provided with a charging management module. The wireless charging module 160 and the main control board 120 are connected. The wireless charging module 160 is disposed in the central area of ​​the back panel of the housing 110. For example, for some smartphones without a wireless charging module, after using the smartphone case with audio noise reduction provided by this embodiment, the smartphone case with audio noise reduction only needs to be attached to a wireless charger. The wireless charging module 160 can then supply power to the main control board 120. The main control board 120 converts the electrical energy into the electricity required by the smartphone through the charging management module and charges the smartphone through the first interface 141, thereby extending the battery life of the smartphone.

[0039] In some embodiments of the present invention, for smartphones already equipped with a wireless charging module, the smartphone case with audio noise reduction further includes a magnetic module located in the center of the back panel of the case. After using the smartphone case with audio noise reduction provided by this embodiment, the magnetic module allows the smartphone to be attached to the wireless charger, improving convenience.

[0040] In some embodiments of the present invention, the smartphone case with audio noise reduction functionality further includes a second port 142, located at the bottom of the housing 110. The second port 142 is connected to the first port 141 and is a USB Type-C port. When the first port 141 is occupied, for example, by plugging into the smartphone's charging / data port, the second port 142 can be connected to an external power source to charge the smartphone, thereby extending the smartphone's battery life.

[0041] In some embodiments of the present invention, a smartphone case with audio noise reduction functionality further includes a bone conduction vibrator 170, which is connected to the audio processor 122. For example, during a user's call, the smartphone transmits the call audio to the main control chip 121 via the first interface 141, which then transmits the audio to the audio processor 122. The audio processor 122 amplifies the call audio and outputs it to the bone conduction vibrator 170, which generates vibrations. When the user places their head close to the smartphone case with audio noise reduction functionality, the vibrations are transmitted to the human ear via bone conduction. For example, the bone conduction vibrator 170 can be a linear motor, a vibration module, or other device capable of bone conduction functionality, but this invention is not limited thereto.

[0042] In some embodiments of the present invention, the housing 110 is provided with a first raised portion for protecting the smartphone's camera. The housing also includes a second raised portion for accommodating the main control board 120 and a third raised portion for accommodating the bone conduction vibrator 170. The first, second, and third raised portions are integrally formed and have equal protrusion heights, maintaining the uniform appearance of the smartphone case with audio noise reduction. For example, in this embodiment of the present invention, the entire back panel of the housing 110 is flat, improving stability during placement.

[0043] In some embodiments of the present invention, the smartphone case with audio noise reduction function further includes an indicator light 180, which is disposed on the top or bottom of the housing 110 and is connected to the main control board 120. Exemplarily, the indicator light 180 can be an LED indicator light that indicates the current status of the smartphone case. For example, when the user is recording, the main control chip 121 controls the indicator light 180 to emit a first signal indicating that recording is in progress; when the smartphone is being charged via an external power source, the main control chip 121 controls the indicator light 180 to emit a second signal indicating that the smartphone is being charged.

[0044] In an embodiment of the present invention, non-adjacent components inside the smart phone case with audio noise reduction function are connected through circuits in the flexible circuit board FPC located on the back panel of the shell 110.

[0045] In the description of this article, it should be understood that the terms "up", "down", "left", "right", and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0046] Throughout this specification, references to terms such as "one embodiment" and "example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example.

[0047] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0048] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific implementations of the present invention without inventive effort, and such implementations will fall within the scope of protection of the present invention.

Claims

1. A smart phone case with audio noise reduction function, characterized in that: include: case; A main control board, the main control board is arranged on the housing, a main control chip and a memory are arranged on the main control board, the main control chip has a built-in audio processor, and the audio processor is connected to the memory; a microphone, the microphone being disposed on the housing and connected to the audio processor; A first interface is connected to the main control board, and the first interface is used to connect to a smart phone. The smart phone supplies power to the main control board through the first interface and accesses the memory through the first interface.

2. The smart phone case with audio noise reduction function according to claim 1, characterized in that: A sensor is also provided on the side wall of the shell, which is connected to the main control chip. The sensor generates a recording control signal in response to the user's interactive operation and uploads it to the main control chip. The main control chip controls the microphone to start or stop recording in response to the recording control signal.

3. The smart phone case with audio noise reduction function according to claim 1, characterized in that: The microphone includes a main microphone and a secondary microphone. Both the main microphone and the secondary microphone are connected to the audio processor. The main microphone is arranged at the bottom of the shell, and the secondary microphone is arranged at the top of the shell.

4. The smart phone case with audio noise reduction function according to claim 1, characterized in that: The first interface is a Type-C USB interface, and the first interface is arranged at the bottom of the shell.

5. The smart phone case with audio noise reduction function according to claim 1, characterized in that: It also includes a second interface, which is arranged at the bottom of the shell, the second interface is connected to the first interface, and the second interface is a Type-C USB interface.

6. The smart phone case with audio noise reduction function according to claim 1, characterized in that: It also includes a wireless charging module, which is connected to the main control board and is arranged in the central area of ​​the back plate of the shell.

7. The smart phone case with audio noise reduction function according to claim 1, characterized in that: It also includes a magnetic module, which is arranged in the central area of ​​the back plate of the shell.

8. The smart phone case with audio noise reduction function according to claim 1, characterized in that: It also includes a bone conduction vibrator, which is connected to the audio processor.

9. The smart phone case with audio noise reduction function according to claim 8, characterized in that: The shell is provided with a first protrusion for protecting the camera of the smartphone. The shell is also provided with a second protrusion for accommodating the main control board and a third protrusion for accommodating the bone conduction vibrator. The first protrusion, the second protrusion and the third protrusion are arranged integrally, and the protrusion heights are equal.

10. The smart phone case with audio noise reduction function according to claim 1, characterized in that: It also includes an indicator light, which is arranged on the top or bottom of the shell and is connected to the main control board.

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