CN109817232A - A kind of transmission method, terminal device and apparatus for processing audio - Google Patents

A kind of transmission method, terminal device and apparatus for processing audio Download PDF

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Publication number
CN109817232A
CN109817232A CN201910092728.4A CN201910092728A CN109817232A CN 109817232 A CN109817232 A CN 109817232A CN 201910092728 A CN201910092728 A CN 201910092728A CN 109817232 A CN109817232 A CN 109817232A
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China
Prior art keywords
bluetooth
data
audio
data packet
terminal device
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CN201910092728.4A
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Chinese (zh)
Inventor
冯海彬
王志远
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201910092728.4A priority Critical patent/CN109817232A/en
Publication of CN109817232A publication Critical patent/CN109817232A/en
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Abstract

The embodiment of the present invention provides a kind of transmission method, terminal device and apparatus for processing audio, is related to field of communication technology, to solve the problems, such as that the compatibility between current terminal device and bluetooth headset is poor.This method comprises: obtaining target audio data, which includes left channel audio data and right audio channel data;Target audio data are encapsulated as bluetooth data packets;The bluetooth data packets are sent to apparatus for processing audio, the bluetooth data packets are separated into after left channel data packet and right data packet by the apparatus for processing audio, the left channel data packet is sent to the first Bluetooth audio frequency output device, and sends the right data packet to the second Bluetooth audio frequency output device.

Description

A kind of transmission method, terminal device and apparatus for processing audio
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of transmission methods, terminal device and audio processing Device.
Background technique
With the development of communication technology, user is higher and higher using the frequency of bluetooth headset.
Currently, in Bluetooth transmission, due to supporting that the terminal device of Bluetooth function can not be with left bluetooth headset, right bluetooth headset Simultaneously carry out data transmission in two data link, therefore the manufacturer of each terminal device and bluetooth headset need to provide it is privately owned Audio transmission protocol, to realize the synchronous transfer of terminal device Yu left bluetooth headset and right bluetooth headset audio data.
However, due to being integrated with proprietary protocol between terminal device and bluetooth headset, and may be used between each manufacturer Proprietary protocol it is different.For example, if the proprietary protocol difference that the terminal device of brand 1 and the bluetooth headset of brand 2 use, is used When the bluetooth headset of terminal device and brand 2 using brand 1 listens song, since the proprietary protocol of use is different, terminal is set at family The rule of standby data between bluetooth headset transmission is different, can not accurate delivery data, user may can't hear sound, therefore, Compatibility at present between terminal device and bluetooth headset is poor.
Summary of the invention
The embodiment of the present invention provides a kind of transmission method, terminal device and apparatus for processing audio, is set with solving current terminal The poor problem of the standby compatibility between bluetooth headset.
In order to solve the above-mentioned technical problem, the embodiments of the present invention are implemented as follows:
In a first aspect, the embodiment of the present invention provides a kind of transmission method, this method comprises: target audio data are obtained, it should Target audio data include left channel audio data and right audio channel data;The target audio data are encapsulated as blue-teeth data Packet;The bluetooth data packets are sent to apparatus for processing audio;Wherein, the bluetooth data packets are separated into a left side by the apparatus for processing audio After channel data packet and right data packet, the left channel data packet is sent to the first Bluetooth audio frequency output device, and to Two Bluetooth audio frequency output devices send the right data packet.
Second aspect, the embodiment of the invention also provides a kind of terminal device, which includes: to obtain module, envelope Die-filling piece and sending module;The acquisition module, for obtaining target audio data, which includes left channel audio Data and right audio channel data;The package module, the target audio data for obtaining the acquisition module are encapsulated as indigo plant Tooth data packet;The sending module, for sending the bluetooth data packets that the package module encapsulates to apparatus for processing audio;Its In, after the bluetooth data packets are separated into left channel data packet and right data packet by the apparatus for processing audio, to first Bluetooth audio frequency output device sends the left channel data packet, and sends the right data to the second Bluetooth audio frequency output device Packet.
The third aspect the embodiment of the invention provides a kind of terminal device, including processor, memory and is stored in this and deposits On reservoir and the computer program that can run on the processor, such as first is realized when which is executed by the processor The step of transmission method described in aspect.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage mediums Computer program is stored in matter, and the step of transmission method as described in relation to the first aspect is realized when which is executed by processor Suddenly.
5th aspect, the embodiment of the invention provides a kind of apparatus for processing audio, which includes first blue Second Bluetooth RF of tooth radio-frequency module, the micro-control unit MCU being connect with the first Bluetooth RF module and the MCU connection Module;The MCU, for controlling the bluetooth data packets of the first Bluetooth RF module receiving terminal apparatus transmission, and by the bluetooth number Be separated into left channel data packet and right data packet according to packet, and control second bluetooth module, the first sending time slots to First Bluetooth audio frequency output device sends the left channel data packet, and in the second sending time slots to the second Bluetooth audio frequency output device Send the right data packet.
In embodiments of the present invention, firstly, terminal device obtains target audio data, which includes left sound Audio data and right audio channel data;The target audio data are encapsulated as bluetooth data packets by terminal device;Terminal device The bluetooth data packets are sent to apparatus for processing audio.Then, the bluetooth data packets are separated into L channel by apparatus for processing audio Data packet and right data packet, last apparatus for processing audio send left channel data packet to the first Bluetooth audio frequency output device, The right data packet is sent to the second Bluetooth audio frequency output device.Since apparatus for processing audio and Bluetooth audio frequency output device can To transmit data using proprietary protocol, for example, terminal device and a pair of of bluetooth headset using the charging box to bluetooth headset into The transmission of row data or other identical charging boxes of proprietary protocol used carry out data transmission, i.e. terminal device and bluetooth sound Frequency output device no longer can transmit data using proprietary protocol, only with common standard Bluetooth protocol to apparatus for processing audio Transmit audio data, so that it may so that the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device reach synchronous transfer, Therefore, it using transmission method provided in an embodiment of the present invention, enables between terminal device and Bluetooth audio frequency output equipment It is compatible preferable.
Detailed description of the invention
Fig. 1 is a kind of configuration diagram of possible Android operation system provided in an embodiment of the present invention;
Fig. 2 is a kind of transmission architecture schematic diagram provided in an embodiment of the present invention;
Fig. 3 is a kind of transmission method flow diagram provided in an embodiment of the present invention;
Fig. 4 is a kind of apparatus for processing audio schematic diagram one provided in an embodiment of the present invention;
Fig. 5 is a kind of apparatus for processing audio schematic diagram two provided in an embodiment of the present invention;
Fig. 6 is a kind of apparatus for processing audio schematic diagram three provided in an embodiment of the present invention;
Fig. 7 is a kind of apparatus for processing audio schematic diagram four provided in an embodiment of the present invention;
Fig. 8 is a kind of possible structural schematic diagram of terminal device provided in an embodiment of the present invention;
Fig. 9 is a kind of hardware structural diagram of terminal device of each embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.
It should be noted that "/" herein indicate or the meaning, for example, A/B can indicate A or B;Herein "and/or" is only a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, it can To indicate: individualism A exists simultaneously A and B, these three situations of individualism B." multiple " refer to two or more.
Term " first " and " second " in description and claims of this specification etc. are for distinguishing different pairs As, rather than it is used for the particular order of description object.For example, the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output dress Set etc. is for distinguishing different Bluetooth audio frequency output devices, rather than for describing the specific suitable of Bluetooth audio frequency output device Sequence.
It should be noted that in the embodiment of the present invention, " illustrative " or " such as " etc. words make example, example for indicating Card or explanation.Be described as in the embodiment of the present invention " illustrative " or " such as " any embodiment or design scheme do not answer It is interpreted than other embodiments or design scheme more preferably or more advantage.Specifically, " illustrative " or " example are used Such as " word is intended to that related notion is presented in specific ways.
Terminal device in the embodiment of the present invention can be the terminal device with operating system.The operating system can be Android (Android) operating system can be ios operating system, can also be other possible operating systems, and the present invention is implemented Example is not especially limited.
Below by taking Android operation system as an example, software applied by transmission method provided in an embodiment of the present invention is introduced Environment.
As shown in Figure 1, being a kind of configuration diagram of possible Android operation system provided in an embodiment of the present invention.Scheming In 1, the framework of Android operation system includes 4 layers, be respectively as follows: application layer, application framework layer, system Runtime Library layer and Inner nuclear layer (is specifically as follows Linux inner core).
Wherein, application layer includes each application program (including system application and in Android operation system Tripartite's application program).
Application framework layer is the frame of application program, and developer can be in the exploitation for the frame for abiding by application program In the case where principle, some application programs are developed based on application framework layer.
System Runtime Library layer includes library (also referred to as system library) and Android operation system running environment.Library is mainly Android behaviour As system it is provided needed for all kinds of resources.Android operation system running environment is used to provide software loop for Android operation system Border.
Inner nuclear layer is the operating system layer of Android operation system, belongs to the bottom of Android operation system software level.It is interior Stratum nucleare provides core system service and hardware-related driver based on linux kernel for Android operation system.
By taking Android operation system as an example, in the embodiment of the present invention, developer can be based on above-mentioned Android as shown in Figure 1 The system architecture of operating system, the software program of transmission method provided in an embodiment of the present invention is realized in exploitation, so that the biography Transmission method can be run based on Android operation system as shown in Figure 1.I.e. processor or terminal device equipment can by The software program is run in Android operation system realizes transmission method provided in an embodiment of the present invention.
Fig. 2 is a kind of transmission frame composition provided in an embodiment of the present invention, as shown in Fig. 2, the transmission architecture includes that terminal is set Standby 200, apparatus for processing audio 201, the first Bluetooth audio frequency output device 202a and the second Bluetooth audio frequency output device 202b.Its In, terminal device 200 is used to send bluetooth data packets to apparatus for processing audio 201;Apparatus for processing audio 201 is for receiving terminal The bluetooth data packets that equipment 200 is sent, and the bluetooth data packets are separated into left channel data packet and right data packet, then will Left channel data packet is sent to the first Bluetooth audio frequency output device 202a, and it is defeated that right data packet is sent to the second Bluetooth audio frequency Device 202b out.
Illustratively, the first Bluetooth audio frequency output device can be left bluetooth headset, and the second Bluetooth audio frequency output device can Think that right bluetooth headset, apparatus for processing audio can be the charging unit to bluetooth headset, charging unit can be with left bluetooth Earphone and right bluetooth headset match, such as charging unit is the charging box of bluetooth headset.First Bluetooth audio frequency output device It may be the speaker with L channel output function and right channel output function, the speaker with the second Bluetooth audio frequency output device With Bluetooth function, apparatus for processing audio can be the charging unit of the speaker, the charging unit can for sound equipment charging or Power supply.
The transmission method of the embodiment of the present invention is illustrated below with reference in Fig. 3.Fig. 3 is provided in an embodiment of the present invention A kind of flow diagram of transmission method, as shown in figure 3, the transmission method includes step 301 to step 303:
Step 301, terminal device obtain target audio data, which includes left channel audio data and the right side Channel audio data.
Optionally, target audio data can be the audio data in the audio data or video downloaded in terminal device, It is also possible to the audio data cached from network in terminal device.
Target audio data are encapsulated as bluetooth data packets by step 302, terminal device.
Optionally, bluetooth data packets are audio transmission model agreement (Advanced Audio Distribution Profile, A2DP) data packet.
Specifically, target audio data can be encapsulated as indigo plant by the codec in Bluetooth chip by terminal device Tooth data packet.
Optionally, target audio data can be with compressed audio data, and the present invention is not especially limit this.
Step 303, terminal device send bluetooth data packets to apparatus for processing audio, by apparatus for processing audio by blue-teeth data Packet is separated into after left channel data packet and right data packet, sends left channel data to the first Bluetooth audio frequency output device Packet, and right data packet is sent to the second Bluetooth audio frequency output device.
Optionally, apparatus for processing audio and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device transmit number According to transport protocol it is identical.For example, apparatus for processing audio and the output of the first Bluetooth audio frequency output device and the second Bluetooth audio frequency fill Identical proprietary protocol is used between setting.
Specifically, apparatus for processing audio can match with the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device Set uses.
It should be noted that above-mentioned match can fill when apparatus for processing audio is charging unit for audio processing It sets for charging for the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device, or apparatus for processing audio is adopted It is transmitted with transmission method provided in an embodiment of the present invention and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device Data, the present invention is not especially limit this.
It is appreciated that when apparatus for processing audio and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device pass The transformat of transmission of data is identical, then apparatus for processing audio and the output of the first Bluetooth audio frequency output device and the second Bluetooth audio frequency fill It sets and can achieve data synchronous transfer.
Illustratively, the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device can be true wireless stereo (ture wireless stereo, TWS) bluetooth headset.
Transmission method provided in an embodiment of the present invention, firstly, terminal device obtains target audio data, the target sound frequency According to including left channel audio data and right audio channel data;The target audio data are encapsulated as blue-teeth data by terminal device Packet;Terminal device sends the bluetooth data packets to apparatus for processing audio.Then, the bluetooth data packets are divided by apparatus for processing audio After for left channel data packet and right data packet, left channel data finally is sent to the first Bluetooth audio frequency output device Packet, sends the right data packet to the second Bluetooth audio frequency output device.Due to apparatus for processing audio and Bluetooth audio frequency output dress Data can be transmitted using proprietary protocol by setting, for example, terminal device and a pair of of bluetooth headset are using the charging to bluetooth headset Box carries out data transmission or other identical charging boxes of proprietary protocol used carry out data transmission, i.e. terminal device and indigo plant Tooth audio output device no longer can transmit data using proprietary protocol, only with common standard Bluetooth protocol to audio processing Device transmits audio data, so that it may so that terminal device and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device Reach synchronous transfer, therefore, using transmission method provided in an embodiment of the present invention, enables to terminal device and Bluetooth audio frequency defeated Compatibility out between equipment is preferable.
Fig. 4 a kind of structural schematic diagram of apparatus for processing audio provided in an embodiment of the present invention, as shown in figure 4, audio processing The micro-control unit that device 40 includes the first Bluetooth RF module 41, connect with the first Bluetooth RF module 41 (Microcontroller Unit, MCU) MCU 42, and the second Bluetooth RF module 43 being connect with MCU 42.
Wherein, MCU, for controlling the bluetooth data packets of the first Bluetooth RF module receiving terminal apparatus transmission, and will be blue Tooth data packet is separated into left channel data packet and right data packet, and the second Bluetooth RF module of control, sends first Left channel audio data packet is sent to the first Bluetooth audio frequency output device in time slot, and in the second sending time slots to the second bluetooth sound Frequency output device sends right data packet.
It should be noted that the first time slot can be the time slot of apparatus for processing audio and left bluetooth headset transmission data packet, Second time slot can be the time slot of apparatus for processing audio and right bluetooth headset transmission data packet.
It should be noted that the first Bluetooth RF module and the second Bluetooth RF module can be the same Bluetooth RF mould Block, the Bluetooth RF module and can be used for receiving data, can be used for sending data;Certainly, the first Bluetooth RF module It can be different Bluetooth RF modules with the second Bluetooth RF module, the first Bluetooth RF module is wrapped for receiving data, the Two bluetooth blue screen modules are for sending data packet, and the present invention is not especially limit this.
Apparatus for processing audio based on the embodiment of the present invention includes the first Bluetooth RF mould in apparatus for processing audio Block, the MCU being connect with the first Bluetooth RF module, and the second Bluetooth RF module being connect with MCU, since MCU can be controlled The bluetooth data packets of the first Bluetooth RF module receiving terminal apparatus transmission are made, and bluetooth data packets are separated into left channel data Packet and right data packet, and the second Bluetooth RF module of control, export in the first sending time slots to the first Bluetooth audio frequency Device sends left channel audio data packet, and sends right data to the second Bluetooth audio frequency output device in the second sending time slots Packet since apparatus for processing audio and Bluetooth audio frequency output device can transmit data using proprietary protocol, for example, terminal device and A pair of of bluetooth headset is identical using the proprietary protocol that the charging box to bluetooth headset carries out data transmission or other are used Charging box carries out data transmission, i.e., terminal device and Bluetooth audio frequency output device no longer can transmit data using proprietary protocol, Audio data is transmitted to apparatus for processing audio only with common standard Bluetooth protocol, so that it may so that the first Bluetooth audio frequency output dress It sets and reaches synchronous transfer with the second Bluetooth audio frequency output device, it therefore, can using transmission method provided in an embodiment of the present invention So that the compatibility between terminal device and Bluetooth audio frequency output equipment is preferably.
Optionally, apparatus for processing audio and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device transmit number According to transport protocol it is identical.
It is appreciated that apparatus for processing audio and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device transmit The transport protocol of data is identical, then exports apparatus for processing audio and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency Device can achieve synchronous transmitting data, i.e. apparatus for processing audio and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency is defeated Device can be compatible with out, to improve terminal device and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device Compatibility.
Optionally, in conjunction with Fig. 4, as shown in figure 5, apparatus for processing audio 40 further includes the codec connecting with MCU 42 44。
Specifically, codec can be the CODEC module in Bluetooth chip.
Wherein, MCU is also used to after the bluetooth data packets of receiving terminal apparatus transmission, bluetooth data packets is sent to volume Decoder, and control codec and bluetooth data packets are decapsulated, obtain target audio data.
MCU is specifically used for target audio data separating being left channel data and right data, and controls codec Left channel data is encapsulated as left channel data packet, and right data is encapsulated as right data packet.
Illustratively, it is assumed that the bluetooth data packets that apparatus for processing audio receives terminal device transmission are A2DP data packet, The packet encapsulation can be L channel A2DP data packet and right channel A2DP data packet by codec, or be encapsulated as left sound Road bluetooth low energy consumption (Bluetooth low energy) BLE data packet and right channel BLE data packet, or be encapsulated as carrying odd The left channel data packet of Number Sequence and the right data packet for carrying even order.
It should be noted that codec can label in data packet, odd numbered sequences correspond to L channel, even order For right channel.When the second Bluetooth RF module is sent to the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device When data packet, the smallest odd number can be read in the first time slot sequentially in time from front to back, from small to large according to sequential value Data packet is sent as left channel data packet, is read minimum even data packet as right data packet in the second time slot and is sent, And so on, until being sent completely.
Based on the program, apparatus for processing audio provided in an embodiment of the present invention can be by the codec that connect with MCU To the bluetooth data packets decapsulation that receiving terminal apparatus is sent, target audio data are obtained, so that audio processing fills Set the bluetooth data packets that can handle terminal device transmission.
Optionally, in conjunction with Fig. 4, as shown in fig. 6, apparatus for processing audio 40 further includes the buffer 45 connecting with MCU 42.
MCU is also used to be control buffer 45 after left channel data and right data by target audio data separating Store left channel data and right data.
Specifically, left channel data and right data can store in the same queue, also can store in difference Queue in;Such as left channel data and right data sequentially in time successively intert be stored in a queue.Alternatively, Left channel data can store in queue 1, and right data can store in queue 2, and the embodiment of the present invention does not make this It is specific to limit.
Optionally, the bluetooth data packets that the first Bluetooth RF module receiving terminal apparatus is sent are compressed data packets.
It is understood that terminal device is before sending bluetooth data packets to apparatus for processing audio, it can first will be non-depressed Then compressed target audio data are sent to apparatus for processing audio again by the target audio data compression of contracting format.
For example, terminal device uses audio signal processing technique (Audio Processing Technology-X) apt-X format Compression.It is lower than 1.9ms generally, based on the work time delay of the codec of apt-X, compression ratio 4:1 can make data store Space is smaller than other coded formats, and packet loss is low, and the data packet for needing to retransmit is few, it is ensured that the transmission matter of audio data Amount.
Assuming that the audio format for the target audio data that terminal device obtains is not apt-X format, then in terminal device Codec can first decode target audio data, encode and the audio data of boil down to apt-X format, then codec The audio data of apt-X format is encapsulated as bluetooth data packets (such as being encapsulated as A2DP data packet) again, finally retransmits bluetooth Data packet.
MCU, after being also used to control the bluetooth data packets that the first Bluetooth RF module receiving terminal apparatus is sent, control is compiled Bluetooth data packets decoded back is compressed data packets by decoder.
For example, when the bluetooth data packets that the first Bluetooth RF module receiving terminal apparatus is sent, for by the number of apt-X format According to the A2DP data packet of encapsulation, then the A2DP decoded packet data is reduced to the data packet of apt-X format by MCU.
In general, bluetooth module can first reprocess the data packet that A2DP decoded packet data is audio format, when terminal is set When the standby audio data by the first audio format (such as without compression) is encapsulated as A2DP data packet, then the volume in apparatus for processing audio The bluetooth data packets received can be decoded as the data packet of the first audio format by decoder, when terminal device is by the first audio After format compression is the second audio format, then when the audio data of the second audio format is encapsulated as A2DP data packet, then audio The bluetooth data packets received can be decoded as the data packet of the second audio format by the codec in processing unit, certainly, Codec in apparatus for processing audio the bluetooth data packets received can be decoded as the second audio format data packet it Afterwards, can also be to be reprocessed after other audio formats of further decoding, coding and boil down to, the embodiment of the present invention is not made this specifically It limits.
It should be noted that two Bluetooth chips can be set in apparatus for processing audio, a Bluetooth chip is for handling The data packet received, another Bluetooth chip are used to handle the data packet sent.
Illustratively, Fig. 7 is a kind of structural schematic diagram of apparatus for processing audio provided in an embodiment of the present invention, wherein should Apparatus for processing audio 40 includes: Bluetooth chip 401, buffer 45 and Bluetooth chip 402.Wherein, Bluetooth chip 401 include with The the first Bluetooth RF module 41 and codec 44a of MCU 42a connection.Bluetooth chip 402 includes connecting second with MCU 42b Bluetooth RF module 43 and codec 44b.Buffer 45 can connect between MCU 42a and MCU 42b.
It should be noted that the structural schematic diagram of apparatus for processing audio above-mentioned in the embodiment of the present invention is merely illustrative It is bright, in practical application, other modules can also be connected or connected according to other connection types, the embodiment of the present invention does not make this It is specific to limit.
Embodiment to facilitate the understanding of the present invention, in conjunction with Fig. 7, with terminal device by charging box (that is, audio processing fills Set) bluetooth headset (that is, first Bluetooth audio frequency output device) and right bluetooth headset (that is, second Bluetooth audio frequency output device) to the left It is illustrated for transmission audio data.Wherein, the Bluetooth RF of the first Bluetooth RF module 41 and terminal device of charging box Module establishes bluetooth communications link 1, and the second Bluetooth RF module 43 of charging box and the Bluetooth RF module of left bluetooth headset are built Vertical bluetooth communications link 2, the second Bluetooth RF module 43 of charging box and the Bluetooth RF module of right bluetooth headset establish bluetooth Communication link 3.Charging box is identical as the audio data transport protocol of left bluetooth headset and right bluetooth headset.
Step 1, terminal device obtain audio data.
Specifically, after obtaining audio data, terminal device by the audio format boil down to apt-X format of audio data, It is again A2DP data packet by the data encapsulation of apt-X format (grouping and packing).
Step 2, terminal device send A2DP data packet to charging box by bluetooth communications link 1.
Step 3, the first Bluetooth RF module 41 of charging box receive A2DP data packet.
Wherein, codec 44a decodes A2DP data packet, obtains the data packet of apt-X format.
The data packet of apt-X format is separated into the data packet and L channel of L channel apt-X format by step 4, MCU 42a The data packet of apt-X format.
Step 5, MCU 42a control buffer 45 store the data packet and L channel apt-X format of L channel apt-X format Data packet.
Step 6, MCU 42b read the data packet for the L channel apt-X format that buffer 45 processed stores.
It should be noted that the left sound for reading and storing in buffer can be preset in charging box in the embodiment of the present invention The rule of track data packet and right data packet, or bluetooth headset sends L channel, the right sound of bluetooth headset transmission to the right to the left The rule of track data packet, each producer can select different rules based on the demand of oneself, and the embodiment of the present invention is for specific Rule (i.e. proprietary protocol) be not especially limited.
The packet encapsulation of L channel apt-X format is L channel A2DP by step 7, MCU 42b control codec 44b Data packet, and control the second Bluetooth RF module 43 and L channel A2DP data are sent by bluetooth communications link 2 in the first time slot Packet.
Step 8, the Bluetooth RF module of left bluetooth headset receive L channel A2DP data packet.
In turn, the MCU control codec in left bluetooth headset to L channel A2DP decoded packet data and is converted to simulation Audio signal, and drive the speaker module issues sound wave.
Step 9, MCU 42b read the data packet for the right channel apt-X format that buffer 45 processed stores.
The packet encapsulation of right channel apt-X format is right channel by step 10, MCU 42b control codec 44b A2DP data packet, and control the second Bluetooth RF module 43 and right channel A2DP is sent by bluetooth communications link 3 in the second time slot Data packet.
Step 11, the Bluetooth RF module of right bluetooth headset receive right channel A2DP data packet.
In turn, the MCU control codec in right bluetooth headset to received right channel A2DP decoded packet data and is converted For analog audio signal, and drive the speaker module issues sound wave.
It should be noted that left bluetooth headset and right bluetooth headset and charging box in above-mentioned example can be it is a set of, In the charging box can be the left bluetooth headset and right charging bluetooth earphone, which may be the bluetooth ear of other models Machine charging, the charging box is identical as the transport protocol of the left bluetooth headset and right bluetooth headset, such as: use identical time slot Left channel data packet is sent, and right data packet, the format of the data packet sent every time, size are sent using identical time slot Mutually same, the particular content of agreement of the embodiment of the present invention for using between bluetooth headset and charging box is not especially limited.
Apparatus for processing audio based on the embodiment of the present invention includes the first Bluetooth RF mould in apparatus for processing audio Block, the MCU being connect with the first Bluetooth RF module, and the second Bluetooth RF module being connect with MCU, since MCU can be controlled The bluetooth data packets of the first Bluetooth RF module receiving terminal apparatus transmission are made, and bluetooth data packets are separated into left channel data Packet and right data packet, and the second Bluetooth RF module of control, export in the first sending time slots to the first Bluetooth audio frequency Device sends left channel audio data packet, and sends right data to the second Bluetooth audio frequency output device in the second sending time slots Therefore packet can be sent out by the apparatus for processing audio to the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device It send and sends the audio data that terminal device is sent respectively, so that between terminal device and Bluetooth audio frequency output equipment It is compatible preferable.
Fig. 8 is a kind of possible structural schematic diagram of terminal device provided in an embodiment of the present invention, as shown in figure 8, terminal is set Standby 800 include: to obtain module 801, package module 802 and sending module 803;Module 801 is obtained, for obtaining target sound frequency According to target audio data include left channel audio data and right audio channel data;Package module 802, for will acquire module The 801 target audio data obtained are encapsulated as bluetooth data packets;Sending module 803 is used to send Encapsulation Moulds to apparatus for processing audio Block 802 encapsulates obtained bluetooth data packets, and bluetooth data packets are separated into left channel data packet and right sound by apparatus for processing audio After track data packet, left channel audio data packet is sent to the first Bluetooth audio frequency output device, and export to the second Bluetooth audio frequency Device sends right data packet.
Optionally, the apparatus for processing audio and the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device transmit The transport protocol of data is identical.
Optionally, bluetooth data packets are audio transmission model agreement A2DP data packet.
Terminal device 800 provided in an embodiment of the present invention can be realized terminal device in above method embodiment realize it is each A process, to avoid repeating, which is not described herein again.
Terminal device provided in an embodiment of the present invention, firstly, terminal device obtains target audio data, the target sound frequency According to including left channel audio data and right audio channel data;The target audio data are encapsulated as blue-teeth data by terminal device Packet;Terminal device sends the bluetooth data packets to apparatus for processing audio.Then, the bluetooth data packets are divided by apparatus for processing audio After for left channel data packet and right data packet, left channel data finally is sent to the first Bluetooth audio frequency output device Packet, sends the right data packet to the second Bluetooth audio frequency output device.Due to apparatus for processing audio and Bluetooth audio frequency output dress Data can be transmitted using proprietary protocol by setting, for example, terminal device and a pair of of bluetooth headset are using the charging to bluetooth headset Box carries out data transmission or other identical charging boxes of proprietary protocol used carry out data transmission, i.e. terminal device and indigo plant Tooth audio output device no longer can transmit data using proprietary protocol, only with common standard Bluetooth protocol to audio processing Device transmits audio data, so that it may so that the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device reach synchronous biography It is defeated, therefore, using transmission method provided in an embodiment of the present invention, enable between terminal device and Bluetooth audio frequency output equipment Compatibility preferably.
A kind of hardware structural diagram of Fig. 9 terminal device of each embodiment to realize the present invention, the terminal device 100 Including but not limited to: radio frequency unit 101, audio output unit 103, input unit 104, sensor 105, is shown network module 102 Show the components such as unit 106, user input unit 107, interface unit 108, memory 109, processor 110 and power supply 111. It will be understood by those skilled in the art that terminal device structure shown in Fig. 9 does not constitute the restriction to terminal device, terminal is set Standby may include perhaps combining certain components or different component layouts than illustrating more or fewer components.In the present invention In embodiment, terminal device include but is not limited to mobile phone, tablet computer, laptop, palm PC, vehicle-mounted terminal equipment, Wearable device and pedometer etc..
Wherein, processor 110, for obtaining target audio data, target audio data include left channel audio data and Right audio channel data;And target audio data are encapsulated as bluetooth data packets.Radio frequency unit 101, for being filled to audio processing It sets and sends the bluetooth data packets that package module encapsulates, the bluetooth data packets are separated into L channel by apparatus for processing audio After data packet and right data packet, the left channel audio data packet is sent to the first Bluetooth audio frequency output device, and to Two Bluetooth audio frequency output devices send the right data packet.
Terminal device provided in an embodiment of the present invention, firstly, terminal device obtains target audio data, the target sound frequency According to including left channel audio data and right audio channel data;The target audio data are encapsulated as blue-teeth data by terminal device Packet;Terminal device sends the bluetooth data packets to apparatus for processing audio.Then, the bluetooth data packets are divided by apparatus for processing audio After for left channel data packet and right data packet, left channel data finally is sent to the first Bluetooth audio frequency output device Packet, sends the right data packet to the second Bluetooth audio frequency output device.Due to apparatus for processing audio and Bluetooth audio frequency output dress Data can be transmitted using proprietary protocol by setting, for example, terminal device and a pair of of bluetooth headset are using the charging to bluetooth headset Box carries out data transmission or other identical charging boxes of proprietary protocol used carry out data transmission, i.e. terminal device and indigo plant Tooth audio output device no longer can transmit data using proprietary protocol, only with common standard Bluetooth protocol to audio processing Device transmits audio data, so that it may so that the first Bluetooth audio frequency output device and the second Bluetooth audio frequency output device reach synchronous biography It is defeated, therefore, using transmission method provided in an embodiment of the present invention, enable between terminal device and Bluetooth audio frequency output equipment Good compatibility.
It should be understood that the embodiment of the present invention in, radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal Send and receive, specifically, by from base station downlink data receive after, to processor 110 handle;In addition, by uplink Data are sent to base station.In general, radio frequency unit 101 includes but is not limited to antenna, at least one amplifier, transceiver, coupling Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 101 can also by wireless communication system and network and other set Standby communication.
Terminal device provides wireless broadband internet by network module 102 for user and accesses, and such as user is helped to receive It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 103 can be received by radio frequency unit 101 or network module 102 or in memory 109 The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 103 can also provide and end The relevant audio output of specific function that end equipment 100 executes is (for example, call signal receives sound, message sink sound etc. Deng).Audio output unit 103 includes loudspeaker, buzzer and receiver etc..
Input unit 104 is for receiving audio or video signal.Input unit 104 may include graphics processor (Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or network module 102.Mike Wind 1042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be The format output that mobile communication base station can be sent to via radio frequency unit 101 is converted in the case where telephone calling model.
Terminal device 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when terminal device 100 is moved in one's ear Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify terminal device posture (ratio Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap);It passes Sensor 105 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with terminal device Family setting and the related key signals input of function control.Specifically, user input unit 107 include touch panel 1071 and Other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby (for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071 Neighbouring operation).Touch panel 1071 may include both touch detecting apparatus and touch controller.Wherein, touch detection Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller;Touch control Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 110, receiving area It manages the order that device 110 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc. Seed type realizes touch panel 1071.In addition to touch panel 1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can include but is not limited to physical keyboard, function key (such as volume control button, Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 1071 can be covered on display panel 1061, when touch panel 1071 is detected at it On or near touch operation after, send processor 110 to determine the type of touch event, be followed by subsequent processing device 110 according to touching The type for touching event provides corresponding visual output on display panel 1061.Although in Fig. 9, touch panel 1071 and display Panel 1061 is the function that outputs and inputs of realizing terminal device as two independent components, but in some embodiments In, can be integrated by touch panel 1071 and display panel 1061 and realize the function that outputs and inputs of terminal device, it is specific this Place is without limitation.
Interface unit 108 is the interface that external device (ED) is connect with terminal device 100.For example, external device (ED) may include having Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module Mouthful etc..Interface unit 108 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and By one or more elements that the input received is transferred in terminal device 100 or can be used in 100 He of terminal device Data are transmitted between external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function Sound playing function, image player function etc.) etc.;Storage data area can store according to mobile phone use created data (such as Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of terminal device, utilizes each of various interfaces and the entire terminal device of connection A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage Data in device 109 execute the various functions and processing data of terminal device, to carry out integral monitoring to terminal device.Place Managing device 110 may include one or more processing units;Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Terminal device 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111 Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put The functions such as electricity and power managed.
In addition, terminal device 100 includes some unshowned functional modules, details are not described herein.
Optionally, the embodiment of the present invention also provides a kind of terminal device, in conjunction with Fig. 9, including processor 110, memory 109, it is stored in the computer program that can be run on memory 109 and on the processor 110, the computer program is processed Device 110 realizes each process of above-mentioned transmission method embodiment when executing, and can reach identical technical effect, to avoid weight Multiple, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium Calculation machine program, the computer program realize each process of above-mentioned transmission method embodiment when being executed by processor, and can reach Identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium is deposited Ru read-only Reservoir (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or CD etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form belongs within protection of the invention.

Claims (13)

1. a kind of transmission method, it is applied to terminal device, which is characterized in that the transmission method includes:
Target audio data are obtained, the target audio data include left channel audio data and right audio channel data;
The target audio data are encapsulated as bluetooth data packets;
The bluetooth data packets are sent to apparatus for processing audio;
Wherein, by the apparatus for processing audio by the bluetooth data packets be separated into left channel data packet and right data packet it Afterwards, the left channel data packet is sent to the first Bluetooth audio frequency output device, and sends institute to the second Bluetooth audio frequency output device State right data packet.
2. the method according to claim 1, wherein the apparatus for processing audio and first Bluetooth audio frequency are defeated Device is identical with the transport protocol of the second Bluetooth audio frequency output device transmission data out.
3. method according to claim 1 or 2, which is characterized in that the bluetooth data packets are audio transmission model agreement A2DP data packet.
4. a kind of terminal device, which is characterized in that the terminal device includes: to obtain module, package module and sending module;
The acquisition module, for obtaining target audio data, the target audio data include left channel audio data and the right side Channel audio data;
The package module, the target audio data for obtaining the acquisition module are encapsulated as bluetooth data packets;
The sending module, for sending the bluetooth data packets that the package module encapsulates to apparatus for processing audio;
Wherein, by the apparatus for processing audio by the bluetooth data packets be separated into left channel data packet and right data packet it Afterwards, the left channel data packet is sent to the first Bluetooth audio frequency output device, and sends institute to the second Bluetooth audio frequency output device State right data packet.
5. terminal device according to claim 4, which is characterized in that the apparatus for processing audio and the first bluetooth sound Frequency output device is identical with the transport protocol of the second Bluetooth audio frequency output device transmission data.
6. terminal device according to claim 4 or 5, which is characterized in that the bluetooth data packets are audio transmission model Agreement A2DP data packet.
7. a kind of terminal device, which is characterized in that the terminal device includes processor, memory and is stored in the memory Computer program that is upper and can running on the processor, is realized when the computer program is executed by the processor as weighed Benefit require any one of 1 to 3 described in transmission method the step of.
8. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium Sequence, the computer program realize the step of transmission method as claimed any one in claims 1 to 3 when being executed by processor Suddenly.
9. a kind of apparatus for processing audio, which is characterized in that the apparatus for processing audio include the first Bluetooth RF module, with it is described The micro-control unit MCU of first Bluetooth RF module connection, and the second Bluetooth RF module being connect with the MCU;
The MCU, the bluetooth data packets sent for controlling the first Bluetooth RF module receiving terminal apparatus, and will be described Bluetooth data packets are separated into left channel data packet and right data packet, and control the second Bluetooth RF module, the One sending time slots send the left channel data packet to the first Bluetooth audio frequency output device, and blue to second in the second sending time slots Tooth audio output device sends the right data packet.
10. apparatus for processing audio according to claim 9, which is characterized in that the apparatus for processing audio and described first Bluetooth audio frequency output device is identical with the transport protocol of the second Bluetooth audio frequency output device transmission data.
11. apparatus for processing audio according to claim 9, which is characterized in that the apparatus for processing audio further includes and institute State the codec of MCU connection;
The MCU sends out the bluetooth data packets after being also used to receive the bluetooth data packets that the terminal device is sent The codec is given, and controls the codec and the bluetooth data packets is decapsulated, obtains target audio data;
The MCU is specifically used for the target audio data separating being left channel data and right data, and described in control The left channel data is encapsulated as left channel data packet by codec, and the right data is encapsulated as right data Packet.
12. apparatus for processing audio according to claim 9, which is characterized in that the apparatus for processing audio further includes and institute State the buffer of MCU connection;
The MCU, after being also used to by the target audio data separating be left channel data and right data, described in control Buffer stores the left channel data and the right data.
13. apparatus for processing audio according to claim 12, which is characterized in that the first Bluetooth RF module receives eventually The bluetooth data packets that end equipment is sent are compressed data packets;
The MCU, after being also used to control the bluetooth data packets that the first Bluetooth RF module receiving terminal apparatus is sent, control Codec decoded back processed is the compressed data packets.
CN201910092728.4A 2019-01-30 2019-01-30 A kind of transmission method, terminal device and apparatus for processing audio Pending CN109817232A (en)

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Application publication date: 20190528