CN116419192A - Audio management method and system, vehicle-mounted terminal and storage medium - Google Patents

Abstract

The invention discloses an audio management method and system, a vehicle terminal and a storage medium. Wherein, the audio management method includes: in response to establishing a Bluetooth connection, receiving a channel instruction transmitted through the Bluetooth protocol; the channel instruction represents a transmission channel of audio data; if the transmission channel is an HFP channel, then receiving audio data, the audio data includes call audio Stream and call status; according to the call status, request the Bluetooth phone audio focus; if the transmission channel is an A2DP channel, then receive audio data, the audio data includes multimedia audio streams and playback attributes; determine whether to request the Bluetooth music focus according to the playback attributes. For the audio data transmitted by the HFP channel, the present invention manages the audio focus of the Bluetooth phone according to the call state, thereby realizing the management of the call audio stream; for the audio data transmitted by the A2DP channel, manages the focus of the Bluetooth music according to the playback attribute, thereby realizing different multimedia audio flow management.

Description

Audio management method and system, vehicle-mounted terminal and storage medium

technical field

The invention relates to the field of audio technology, in particular to an audio management method and system, a vehicle-mounted terminal and a storage medium.

Background technique

At present, the vast majority of vehicle-mounted terminals support the Bluetooth function. When the vehicle-mounted terminal and the mobile phone are successfully connected by Bluetooth, the vehicle-mounted terminal is equivalent to the Bluetooth headset of the mobile phone, which can play the audio played by the mobile phone. If the mobile phone is playing music, functions such as music playback, pause, and song up and down can also be controlled through the vehicle-mounted terminal.

After the Bluetooth connection between the vehicle terminal and the mobile phone, no matter what audio is being played by the vehicle terminal, all the audio sent by the mobile phone through Bluetooth will be output on the vehicle terminal. If the vehicle-mounted terminal is playing FM (frequency modulation) radio, it may be interrupted by the action of the message prompt tone requesting focus sent by the mobile phone, which will bring bad experience to the user listening to the FM radio.

Contents of the invention

An object of the present application is to provide an audio management method and system, a vehicle-mounted terminal, and a storage medium, which have the advantage of performing different audio management for audio data sent through Bluetooth through different transmission channels, so as to improve user experience. Specifically, for the audio data transmitted by the HFP (Hands-free Profile, Bluetooth device control phone protocol) channel, manage the audio focus of the Bluetooth phone according to the call state, thereby realizing the management of the call audio stream; for A2DP (Advanced Audio Distribution Profile, Bluetooth Audio transmission model protocol) channel transmits audio data, and manages the Bluetooth music focus according to the playback attribute, so as to realize the management of different multimedia audio streams.

Another object of the present application is to provide an audio management method and system, a vehicle-mounted terminal, and a storage medium. Its advantage is to determine whether the multimedia audio stream received through the A2DP channel is music according to the playback status and playback progress acquired twice in a row. Therefore, different audio management is performed for music and non-music. Specifically, if it is music, the Bluetooth music focus is requested, and then the music can be played after obtaining the Bluetooth music focus; if it is not music, the Bluetooth music focus is not requested.

Another object of the present application is to provide an audio management method and system, a vehicle-mounted terminal, and a storage medium. Its advantage is that, in response to requesting Bluetooth music focus and playing non-Bluetooth multimedia audio data, the Bluetooth music focus is requested, and the non-Bluetooth music focus is released. The Bluetooth multimedia audio focus can stop playing non-Bluetooth multimedia audio data and switch to playing received music.

Another object of the present application is to provide an audio management method and system, a vehicle-mounted terminal, and a storage medium. Its advantage is that, in response to requesting Bluetooth music focus and non-multimedia audio data is being played, request Bluetooth music focus according to different preset strategies , which can realize different management of non-multimedia audio data being played and music received via Bluetooth.

Another object of the present application is to provide an audio management method and system, a vehicle-mounted terminal, and a storage medium. Its advantage is that, in response to requesting the Bluetooth music focus and not playing any audio data, request the Bluetooth music focus to realize playing the received music .

Another object of the present application is to provide an audio management method and system, a vehicle-mounted terminal, and a storage medium. Its advantage is that it can be managed differently according to different call states for the audio data transmitted by the HFP channel. Specifically, the response In the incoming call state, request the ringtone focus of the incoming call to play the ringtone of the incoming call; in response to the connected state, request the Bluetooth call focus to play the audio stream of the call; in response to the hang-up state, after requesting the Bluetooth call focus Release the Bluetooth call focus.

The first aspect of the present application provides an audio management method, comprising the following steps:

Responsive to establishing a Bluetooth connection, receiving a channel instruction delivered through the Bluetooth protocol; the channel instruction represents a transmission channel of audio data;

If the transmission channel is an HFP channel, audio data is received, and the audio data includes a call audio stream and a call state; according to the call state, a Bluetooth phone audio focus is requested;

If the transmission channel is an A2DP channel, audio data is received, and the audio data includes a multimedia audio stream and a playback attribute; according to the playback attribute, it is determined whether to request Bluetooth music focus.

The second aspect of the present application provides an audio management system, including a vehicle-mounted terminal and a mobile terminal, the vehicle-mounted terminal includes a speaker, and the mobile terminal establishes a Bluetooth connection with the vehicle-mounted terminal;

The mobile terminal transmits a channel instruction to the vehicle-mounted terminal through the Bluetooth protocol; wherein, the channel instruction represents a transmission channel of audio data;

The vehicle-mounted terminal receives the channel instruction, if the transmission channel is an HFP channel, then receives audio data, and the audio data includes a call audio stream and a call state; according to the call state, request the Bluetooth phone audio focus; if If the transmission channel is an A2DP channel, audio data is received, and the audio data includes multimedia audio streams and playback attributes; according to the playback attributes, determine whether to request Bluetooth music focus.

A third aspect of the present application provides a vehicle-mounted terminal, including a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor implements the computer program described in the first aspect when executing the computer program. Audio management methods.

A fourth aspect of the present application provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the audio management method described in the first aspect is implemented.

Description of drawings

FIG. 1 is a flowchart of an audio management method provided by Embodiment 1 of the present invention.

FIG. 2 is an application scenario diagram of an audio management method provided by Embodiment 1 of the present invention.

FIG. 3 is a detailed flow chart of step S2 provided by Embodiment 1 of the present invention.

FIG. 4 is a partial flow chart of an audio management method provided by Embodiment 1 of the present invention.

FIG. 5 is a detailed flowchart of step S3 provided by Embodiment 1 of the present invention.

Fig. 6 is a structural block diagram of an audio management system provided by Embodiment 2 of the present invention.

FIG. 7 is a schematic structural diagram of a vehicle-mounted terminal provided by Embodiment 3 of the present invention.

Detailed ways

The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

Example 1

Figure 1 is a schematic flow chart of an audio management method provided in this embodiment, the audio management method can be executed by an audio management device, the audio management device can be implemented by software and/or hardware, and the audio management device can be a vehicle-mounted terminal part or all of . The vehicle-mounted terminal in this embodiment may also be referred to as a vehicle-mounted terminal, which is a vehicle-mounted infotainment product installed in a vehicle, and can realize information communication between people and the vehicle, and between the vehicle and the outside world.

The audio management method provided by this embodiment is introduced below with the vehicle-mounted terminal as the execution subject. As shown in Figure 1, the audio management method provided by this embodiment may include the following steps S1-S3:

Step S1. In response to establishing a Bluetooth connection, receive a channel instruction transmitted through the Bluetooth protocol; the channel instruction represents a transmission channel of audio data.

Fig. 2 is a diagram illustrating an application scenario of an audio management method. As shown in FIG. 2 , a Bluetooth connection is established between the vehicle-mounted terminal and the mobile terminal, and the vehicle-mounted terminal receives channel instructions transmitted by the mobile terminal through the Bluetooth protocol.

Step S2. If the transmission channel is an HFP channel, receive audio data, the audio data includes call audio stream and call status; request Bluetooth phone audio focus according to the call status. For the audio data transmitted by the HFP channel, manage the audio focus of the Bluetooth phone according to the call state, so as to realize the management of the call audio stream.

In an optional implementation manner, as shown in FIG. 3, step S2 specifically includes the following steps S21-S22:

Step S21, in response to the incoming call status, requesting the ringtone focus of the incoming call. In a specific implementation, if the call state is an incoming call state, the incoming ringtone focus may be obtained directly after requesting the incoming ringtone focus, so as to play the incoming call ringtone.

Step S22, in response to the connected state, requesting the Bluetooth call focus. In a specific implementation, if the call state is connected, the Bluetooth call focus can be obtained directly after the Bluetooth call focus is requested, so as to play the call audio stream.

In an optional implementation manner, as shown in FIG. 4, the following step S23 is further included after the above step S22:

Step S23 , in response to the hang-up state, releasing the Bluetooth call focus after the Bluetooth call focus is requested. In a specific implementation, if the call state is switched from the connected state to the hung up state, the requested Bluetooth call focus is released.

Step S3: Receive audio data, the audio data includes multimedia audio stream and play attribute; according to the play attribute, determine whether to request Bluetooth music focus. For the audio data transmitted by the A2DP channel, the Bluetooth music focus is managed according to the playback attributes, so as to realize the management of different multimedia audio streams.

Wherein, the multimedia audio stream may include music, recording, voice message, prompt tone and so on. The playback attributes may include playback status, playback progress, and the like. Specifically, the playing state includes playing, pausing, stopping and so on.

In an optional implementation manner, as shown in FIG. 5, step S3 specifically includes the following steps S31-S33:

Step S31 , judging whether the playback states acquired twice in a row are both playing and the playback progress acquired twice in a row changes; if yes, execute step S32 , and if not, execute step S33 .

Step S32, request Bluetooth music focus. If the playback state acquired twice in a row is playing and the playback progress of the two consecutive acquisitions changes, it can be determined that the type of the received multimedia audio stream is music. At this time, the Bluetooth music focus is requested, and then the Bluetooth music focus can be obtained. Play the received multimedia audio stream.

Step S33, do not request the Bluetooth music focus. If the playback status of the two consecutive acquisitions is not playing or the playback progress of the two consecutive acquisitions does not change, it can be determined that the type of the received multimedia audio stream is not music, and the Bluetooth music focus is not requested at this time. Audio streams cannot be played. In this solution, the multimedia audio stream received through the A2DP channel is of a non-music type, and may specifically include recording, voice message, prompt tone, and the like.

In an embodiment of step S32, in response to requesting the Bluetooth music focus and the non-Bluetooth multimedia audio data is being played, the Bluetooth music focus is requested, and the non-Bluetooth multimedia audio focus is released. Wherein, non-Bluetooth multimedia audio data refers to multimedia audio data not received through Bluetooth, and specifically may include FM radio, local music and other multimedia audio data of the vehicle terminal itself.

In this embodiment, if the vehicle-mounted terminal is playing non-Bluetooth multimedia audio data, then by requesting Bluetooth music focus and releasing the non-Bluetooth multimedia audio focus, it can be realized to stop playing non-Bluetooth multimedia audio data and switch to playing received music.

In another embodiment specifically implemented in step S32, in response to requesting the Bluetooth music focus and non-multimedia audio data is being played, the Bluetooth music focus is requested according to a preset policy. Wherein, the non-multimedia audio data may include a horn sound, an alarm sound, a steering prompt sound, and the like. The alarm sound may include a seat belt alarm sound, an oil level alarm sound, a tire pressure alarm sound, and the like.

In this embodiment, the multimedia audio stream received through Bluetooth is music. In a specific implementation, the above-mentioned preset strategy may be to directly request Bluetooth music focus, so as to simultaneously play non-multimedia audio data and music received through Bluetooth. The above preset strategy can also be to request the Bluetooth music focus and release the non-multimedia audio focus, so as to stop playing the non-multimedia audio data and switch to playing the received music. The above preset policy may also be not requesting Bluetooth music focus, so as to continue playing non-multimedia audio data and not playing music received through Bluetooth.

In this embodiment, if the vehicle-mounted terminal is playing non-multimedia audio data, it requests the Bluetooth music focus according to different preset policies, which can realize different management of the non-multimedia audio data being played and the music received through Bluetooth.

In yet another embodiment of step S32, in response to requesting the Bluetooth music focus and no audio data is played, the Bluetooth music focus is requested. In this embodiment, if the vehicle-mounted terminal does not play any audio data, it can directly request the Bluetooth music focus to play the received music.

Example 2

As shown in FIG. 6 , this embodiment provides an audio management system 400 , including a vehicle-mounted terminal 401 and a mobile terminal 402 . The vehicle-mounted terminal includes a loudspeaker, and the mobile terminal establishes a Bluetooth connection with the vehicle-mounted terminal.

The mobile terminal 402 transmits a channel instruction to the vehicle-mounted terminal through the Bluetooth protocol; wherein, the channel instruction represents a transmission channel of audio data.

The vehicle-mounted terminal 401 receives the channel instruction; if the transmission channel is an HFP channel, then receives audio data, and the audio data includes a call audio stream and a call state; according to the call state, request the Bluetooth phone audio focus; if the If the transmission channel is an A2DP channel, audio data is received, and the audio data includes multimedia audio streams and playback attributes; according to the playback attributes, determine whether to request Bluetooth music focus.

In the audio management system provided in this embodiment, the mobile terminal sends audio data to the vehicle-mounted terminal through the Bluetooth protocol, and the vehicle-mounted terminal can perform different management according to the audio data received by different transmission channels, so as to improve user experience. Specifically, for the audio data transmitted by the HFP channel, the audio focus of the Bluetooth phone is managed according to the call state, thereby realizing the management of the audio stream of the call; for the audio data transmitted by the A2DP channel, the Bluetooth music focus is managed according to the playback attribute, so as to realize the control of different multimedia Audio streams are managed.

In an optional implementation manner, the vehicle-mounted terminal judges whether the playback status acquired twice in a row is playing and the playback progress acquired twice in a row changes; if so, then request the bluetooth music focus; if not, then do not request Bluetooth music focus.

In this embodiment, the vehicle-mounted terminal determines whether the multimedia audio stream received through the A2DP channel is music according to the playback status and playback progress obtained twice in a row, so as to perform different audio management for music and non-music. Specifically, if it is music, Then request the Bluetooth music focus, and then play music after obtaining the Bluetooth music focus; if it is not music, then do not request the Bluetooth music focus.

In an optional implementation manner, the vehicle-mounted terminal requests Bluetooth music focus in response to requesting Bluetooth music focus and is playing non-Bluetooth multimedia audio data, and releases non-Bluetooth multimedia audio focus to stop playing non-Bluetooth audio data. Multimedia audio data, switch to playing received music.

In an optional implementation manner, the vehicle-mounted terminal responds to requesting Bluetooth music focus and is playing non-multimedia audio data, requests Bluetooth music focus according to a preset strategy, and can realize the non-multimedia audio data being played and receive via Bluetooth Music is managed differently.

In an optional implementation manner, the vehicle-mounted terminal requests the Bluetooth music focus in response to requesting the Bluetooth music focus and no audio data is played, so as to play the received music.

In an optional implementation manner, the vehicle-mounted terminal requests the ringtone focus of the incoming call in response to the incoming call state, so as to realize playing the ringtone of the incoming call; and in response to the connected state, requests the Bluetooth call focus to realize the call audio stream play.

In an optional implementation manner, the vehicle-mounted terminal releases the Bluetooth call focus after requesting the Bluetooth call focus in response to the hang-up state, so as to re-request the Bluetooth call focus according to the subsequent connected state.

Example 3

FIG. 7 is a schematic structural diagram of a vehicle-mounted terminal provided in this embodiment. The vehicle-mounted terminal includes a communication module for communicating with other devices, at least one processor, and a memory communicatively connected with the at least one processor. Wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the audio management method of Embodiment 1. The vehicle-mounted terminal provided in this embodiment can also be called a vehicle-mounted terminal, which is a vehicle-mounted infotainment product installed in a vehicle, and can realize information communication between a person and a vehicle, and between a vehicle and the outside world. The vehicle-mounted terminal 3 shown in FIG. 7 is only an example, and should not impose any limitation on the functions and application scope of the embodiment of the present invention.

The components of the vehicle terminal 3 may include but not limited to: the at least one processor 4 mentioned above, the at least one memory 5 mentioned above, the bus 6 connecting different system components (including the memory 5 and the processor 4 ), and the communication module 7 .

The bus 6 includes a data bus, an address bus and a control bus.

The memory 5 may include a volatile memory, such as a random access memory (RAM) 51 and/or a cache memory 52 , and may further include a read only memory (ROM) 53 .

Memory 5 may also include a program/utility tool 55 having a set (at least one) of program modules 54 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, which Each or some combination of the examples may include the implementation of a network environment.

The communication module 7 may include an antenna, a mobile communication unit, a wireless communication unit, a modem processor, a baseband processor, and the like. Antennas are used to transmit and receive electromagnetic wave signals. The mobile communication unit can provide wireless communication solutions including 2G/3G/4G/5G applied on vehicle terminals. In some embodiments, at least part of the functional modules of the mobile communication unit can be set in the processor 4 . In some embodiments, at least part of the functional modules of the mobile communication unit and at least part of the modules of the processor 4 may be set in the same device. The wireless communication unit can provide wireless communication solutions including wireless local area network WLAN, such as Wi-Fi network, Bluetooth, global navigation satellite system, FM, short-range wireless communication technology NFC, infrared technology, etc. applied to vehicle-mounted terminals. As shown in FIG. 7 , the communication module 7 communicates with other modules of the vehicle-mounted terminal 3 through the bus.

The processor 4 executes various functional applications and data processing, such as the above-mentioned audio management method, by running the computer program stored in the memory 5 .

The vehicle terminal 3 can also communicate with one or more external devices 8 (eg keyboard, pointing device, display, etc.). This communication can take place via an input/output (I/O) interface 9 . It should be understood that although not shown in FIG. 5 , other hardware and/or software modules can also be used in conjunction with the vehicle terminal 3, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems.

It should be noted that although several units/modules or subunits/modules of the vehicle-mounted terminal are mentioned in the above detailed description, this division is only exemplary and not mandatory. Actually, according to the embodiment of the present invention, the features and functions of two or more units/modules described above may be embodied in one unit/module. Conversely, the features and functions of one unit/module described above can be further divided to be embodied by a plurality of units/modules.

Example 4

This embodiment provides a non-transitory computer-readable storage medium storing computer instructions, the computer instructions are used to make the computer execute the audio management method in Embodiment 1.

Wherein, the readable storage medium may more specifically include but not limited to: portable disk, hard disk, random access memory, read-only memory, erasable programmable read-only memory, optical storage device, magnetic storage device or any of the above-mentioned the right combination.

In a possible implementation manner, the present invention can also be implemented in the form of a program product, which includes program code, and when the program product runs on the vehicle-mounted terminal, the program code is used to make the vehicle-mounted terminal execute The audio management method in Embodiment 1.

Wherein, the program code for executing the present invention can be written in any combination of one or more programming languages, and the program code can be completely executed on the vehicle-mounted terminal, partially executed on the vehicle-mounted terminal, or used as an independent Execution of the software package, partly on the vehicle terminal and partly on the remote device, or completely on the remote device.

Although the specific implementation of the present invention has been described above, those skilled in the art should understand that this is only an example, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims (10)

1. An audio management method, comprising the steps of:

receiving a channel instruction transmitted through a Bluetooth protocol in response to establishing the Bluetooth connection; the channel instruction characterizes a transmission channel of audio data;

if the transmission channel is an HFP channel, receiving audio data, wherein the audio data comprises a call audio stream and a call state; requesting an audio focus of the Bluetooth telephone according to the call state;

if the transmission channel is an A2DP channel, receiving audio data, wherein the audio data comprises a multimedia audio stream and a playing attribute; and determining whether to request Bluetooth music focus according to the play attribute.

2. The audio management method of claim 1, wherein the play attribute includes a play status and a play progress; the step of determining whether to request the bluetooth music focus according to the play attribute specifically includes:

judging whether the playing states obtained in two consecutive times are all playing and the playing progress obtained in two consecutive times is changed;

if yes, requesting a Bluetooth music focus;

if not, the Bluetooth music focus is not requested.

3. The audio management method as claimed in claim 2, wherein the step of requesting a bluetooth music focus specifically includes:

in response to requesting a bluetooth music focus and playing non-bluetooth multimedia audio data, requesting to the bluetooth music focus, releasing the non-bluetooth multimedia audio focus.

4. The audio management method as claimed in claim 2, wherein the step of requesting a bluetooth music focus specifically includes:

and responding to the request of the Bluetooth music focus and the playing of the non-multimedia audio data, and requesting the Bluetooth music focus according to a preset strategy.

5. The audio management method as claimed in claim 2, wherein the step of requesting a bluetooth music focus specifically includes:

in response to requesting a bluetooth music focus and not playing any audio data, requesting to the bluetooth music focus.

6. The audio management method as claimed in claim 1, wherein the step of requesting the audio focus of the bluetooth phone according to the call state comprises:

responding to the incoming call state, and requesting an incoming call bell focus;

in response to the on state, bluetooth call focus is requested.

7. The audio management method of claim 6, further comprising:

and in response to the hang-up state, releasing the Bluetooth call focus after requesting to the Bluetooth call focus.

8. The audio management system is characterized by comprising a vehicle-mounted terminal and a mobile terminal, wherein the vehicle-mounted terminal comprises a loudspeaker, and the mobile terminal and the vehicle-mounted terminal are connected by Bluetooth;

the mobile terminal transmits a channel instruction to the vehicle-mounted terminal through a Bluetooth protocol; wherein the channel instruction characterizes a transmission channel of audio data;

the vehicle-mounted terminal receives the channel instruction, and if the transmission channel is an HFP channel, audio data comprising a call audio stream and a call state are received; requesting an audio focus of the Bluetooth telephone according to the call state; if the transmission channel is an A2DP channel, receiving audio data, wherein the audio data comprises a multimedia audio stream and a playing attribute; and determining whether to request Bluetooth music focus according to the play attribute.

9. A vehicle-mounted terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the audio management method of any of claims 1-7 when executing the computer program.

10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the audio management method according to any of claims 1-7.

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