CN108718361A - A kind of audio file play method and wirelessly answer equipment - Google Patents
A kind of audio file play method and wirelessly answer equipment Download PDFInfo
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- CN108718361A CN108718361A CN201810380894.XA CN201810380894A CN108718361A CN 108718361 A CN108718361 A CN 108718361A CN 201810380894 A CN201810380894 A CN 201810380894A CN 108718361 A CN108718361 A CN 108718361A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
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- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Equipment is answered an embodiment of the present invention provides a kind of audio file play method and wirelessly, after audio file to be played is separated into right audio channel stream and left channel audio stream by the first earphone, right audio channel stream is sent to the second earphone；After second earphone receives right audio channel stream, the unloaded data packet for carrying audio stream play instruction code is generated, and unloaded data packet is sent to the first earphone；Unloaded data packet is sent to delay preset duration after the first earphone and plays right audio channel stream by the second earphone, with the first earphone synchronously playing audio frequency stream；First earphone plays left channel audio stream after recognizing audio stream play instruction code in the unloaded data packet received.Audio file provided in an embodiment of the present invention plays scheme so that the first earphone and the second earphone almost play simultaneously, to promote the stability and accuracy that audio sync plays between the first earphone of wireless headset and the second earphone.
Description
Technical field
The present embodiments relate to fields of communication technology, more particularly to a kind of audio file play method and wirelessly answer
Equipment.
Background technology
In traditional technology, ears wireless headset generally use bluetooth one drag two technology, wherein audio stream are logical from mobile terminal
It after crossing Bluetooth RF technical transmission to main earphone, then is given from earphone by main earphone transmission, main earphone and there are audios between earphone
Steaming transfer postpones, therefore the two can not synchronism output audio stream.
In order to solve the problems in the existing technology, at present by setting certain delay duration in main earphone, and
Being inserted into will be transferred to from the packets of audio data of earphone, after earphone receives the packets of audio data with delay duration,
Know the delay durations of audio stream plays by decoding, main earphone is delayed certain time audio stream plays with from earphone.
Existing audio file play method, since audio being streaming to from earphone needs from main earphone end by bluetooth
Time be it is unfixed, when Bluetooth RF is unstable, poor signal when, cause transmission time longer, when transmission time is longer than
When delay time so that main earphone and from earphone can not synchronously playing audio frequency file, if specially in order to meet this scene settings
Longer delay time can cause the time integrally waited for lengthen, and influence audition experience.
Invention content
The embodiment of the present invention provides a kind of audio file play method and wirelessly answers equipment, in the prior art to solve
Wireless headset can not synchronously playing audio frequency file the problem of.
In order to solve the above-mentioned technical problem, the invention is realized in this way：
In a first aspect, the embodiment of the present invention provides a kind of audio file play method, including：First earphone will wait broadcasting
After playback frequency file is separated into right audio channel stream and left channel audio stream, and the right audio channel stream is sent to described
Two earphones；After second earphone receives the right audio channel stream, the zero load for carrying audio stream play instruction code is generated
Data packet, and the unloaded data packet is sent to first earphone；Second earphone sends the unloaded data packet
Postpone preset duration after to the first earphone and play the right audio channel stream, with the first earphone synchronously playing audio frequency stream；
First earphone plays the left side after recognizing the audio stream play instruction code in the unloaded data packet received
Channel audio stream.
Second aspect, the embodiment of the present invention additionally provide it is a kind of wirelessly answer equipment, the wireless equipment of answering includes the
One earphone and the second earphone, first earphone include programmable controller, the first Bluetooth RF module and the second broadcasting mould
Block, second earphone include：Second Bluetooth RF module, the first playing module and the first codec；It is described programmable
After audio file to be played is separated into right audio channel stream and left channel audio stream by controller, the first Bluetooth RF module
The right audio channel stream is sent to second earphone；Second Bluetooth RF module of second earphone receives described
After right audio channel stream, the codec generates the unloaded data packet for carrying audio stream play instruction code, and described second is blue
The unloaded data packet is sent to first earphone by tooth radio-frequency module；First playing module is used for the unloaded data
Packet is sent to delay preset duration after first earphone and plays the right audio channel stream, with first earphone synchronize broadcast
Put audio stream；Second playing module, for recognizing the audio stream play instruction from the unloaded data packet received
After code, the left channel audio stream is played.
In embodiments of the present invention, audio file to be played is separated by right audio channel stream and left sound by the first earphone
After channel audio stream, right audio channel stream is sent to the second earphone；After second earphone receives right audio channel stream, generates and carry
There is the unloaded data packet of audio stream play instruction code, and unloaded data packet is sent to the first earphone；The delay of second earphone is default
Duration plays right audio channel stream；First earphone after recognizing audio stream play instruction code in the unloaded data packet received,
Left channel audio stream is played, due to unloaded data packet very little, i.e. the first earphone receives time that unloaded data packet expends can be with
It ignores, is equivalent to after the first earphone recognizes audio stream play instruction code, plays left channel audio stream immediately so that first
Earphone and the second earphone almost play simultaneously, are played to promote audio sync between the first earphone of wireless headset and the second earphone
Accuracy.
Description of the drawings
Fig. 1 is a kind of step flow chart of audio file play method of the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of audio file play method of the embodiment of the present invention two；
Fig. 3 is a kind of wireless structure diagram for answering equipment of the embodiment of the present invention three；
Fig. 4 is the structure diagram of the first Bluetooth RF module of the embodiment of the present invention three；
Fig. 5 is the structural schematic diagram of the second playing module of the embodiment of the present invention three.
Specific implementation mode
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 describes, 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, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig.1, a kind of step flow chart of audio file play method of the embodiment of the present invention one is shown.
Audio file play method provided in an embodiment of the present invention includes the following steps：
Step 101：After audio file to be played is separated into right audio channel stream and left channel audio stream by the first earphone, and
Right audio channel stream is sent to the second earphone.
Wireless equipment of answering includes the first earphone and the second earphone, when needing to play audio file, receives mobile terminal
Audio file to be played is carried out stereo separation, isolates left channel audio stream and right sound by the audio file to be played sent
Right audio channel stream is sent to the second earphone by channel audio stream, the first earphone so that and the first earphone plays left channel audio stream, the
Two earphones play right audio channel stream, generate stereosonic audio.
Step 102：After second earphone receives right audio channel stream, the zero load for carrying audio stream play instruction code is generated
Data packet, and unloaded data packet is sent to the first earphone.
Second earphone autocoding generates unloaded data packet, and is inserted into audio stream broadcasting on the harbour of unloaded data packet and refers to
Code is enabled, such as：Audio stream play instruction code may be configured as " GO ", and the second earphone will be inserted into the sky of audio stream play instruction code " GO "
It carries data packet and is sent to the first earphone.
Step 103：Delay preset duration plays right channel sound after unloaded data packet is sent to the first earphone by the second earphone
Frequency flow, with the first earphone synchronously playing audio frequency stream.
To ensure the first earphone and the second earphone synchronously playing audio frequency stream, when unloaded data packet is sent to by the second earphone
After one earphone, the second earphone delay preset duration is needed to play right audio channel stream.Why postpone preset duration, is due to inciting somebody to action
After unloaded data packet is sent to the first earphone, unloaded data packet is sent to the first earphone and needs to expend the time, moreover the
After one earphone receives unloaded data packet, time-consuming be decoded to unloaded data packet is also needed to verify play instruction code, therefore, preset
Duration can be the sum of above-mentioned two stage institute's elapsed time.
Step 104：First earphone plays left after recognizing audio stream play instruction code in the unloaded data packet received
Channel audio stream.
It is not play left channel audio stream directly, but work as the first earphone and receive that first earphone, which receives left channel audio stream,
To unloaded data packet, inspection is decoded to unloaded data packet, when recognizing audio stream play instruction code " GO ", the first earphone
L channel mould audio stream is exported to the loudspeaker module of the first earphone and transforms into sound wave, to play left channel audio stream.
In embodiments of the present invention, audio file to be played is separated by right audio channel stream and left sound by the first earphone
After channel audio stream, right audio channel stream is sent to the second earphone；After second earphone receives right audio channel stream, generates and carry
There is the unloaded data packet of audio stream play instruction code, and unloaded data packet is sent to the first earphone；The delay of second earphone is default
Duration plays right audio channel stream；First earphone after recognizing audio stream play instruction code in the unloaded data packet received,
Left channel audio stream is played, due to unloaded data packet very little, i.e. the first earphone receives time that unloaded data packet expends can be with
It ignores, is equivalent to after the first earphone recognizes audio stream play instruction code, plays left channel audio stream immediately so that first
Earphone and the second earphone almost play simultaneously, are played to promote audio sync between the first earphone of wireless headset and the second earphone
Accuracy.
With reference to Fig. 2, a kind of step flow chart of audio file play method of the embodiment of the present invention two is shown.
The embodiment of the present invention is based on wirelessly answering equipment, and radio receiver includes the first earphone and the second earphone, this hair
The audio file play method that bright embodiment provides includes the following steps：
Step 201：First earphone receives the audio to be played that mobile terminal is transmitted based on Bluetooth audio frequency mode agreement
File.
Wherein, the first earphone and the second earphone all include Bluetooth RF module.
When user listens stereo music using the music player of mobile terminal, mobile terminal MCU
(Microcontroller Unit, micro-control unit) controls audio file to be played, and by CODEC, (COder/DECoder is compiled
Decoder) decode again, encodes, compresses the stereo sound frequency file for forming sub-band coding format；Subband is compiled in MCU controls
The audio file of code format is grouped, is packaged.Bluetooth RF module is to be based on for the communication of audio file in the present invention
A2DP (Advanced Audio Distribution Profile, Bluetooth audio frequency mode agreement) agreement, thus need by
Sub-band coding formatted audio files are grouped, are packaged as A2DP packets of audio data；Bluetooth in MCU control mobile terminals is penetrated
A2DP packets of audio data is transferred to the Bluetooth RF module of the first earphone by frequency module.
Step 202：Audio file to be played is separated into right audio channel stream and left channel audio stream by the first earphone.
First earphone is the main earphone for wirelessly answering equipment, has audio file being separated into left channel audio stream and the right side
The function of channel audio stream.Audio file to be played is separated into the concrete mode of left and right sound channels audio stream for the first earphone,
With reference to the relevant technologies, this is not specifically limited in the embodiment of the present invention.
Step 203：Right audio channel stream is sent to the second earphone.
First earphone receives the A2DP packets of audio data of mobile terminal transmission by the Bluetooth RF module of the first earphone
Afterwards, SOC (System on Chip, programmable controller) the controls CODEC of the first earphone solves A2DP packets of audio data
Pressure, while SOC carries out stereo separation work to the sub-band coding format stereo sound frequency file after decompression, isolates L channel
Audio stream, right audio channel stream, the embodiment of the present invention play left channel audio stream for the first earphone, and the second earphone plays right sound
It is illustrated for channel audio stream.In actual use, the first earphone selects to play left channel audio stream and right sound with the second earphone
Channel audio stream can voluntarily be matched according to actual conditions.
The left sound that the left channel audio stream that the SOC controls of first earphone are separated is formed after CODEC is decoded
Road analog audio signal, the loud speaker submodule that will not be directly output to the first earphone transform into sound wave, the SOC of the first earphone
After recognizing audio stream play instruction in the unloaded data packet that the second earphone is sent, left channel audio stream is sent to
CODEC modules export.
The SOC of first earphone recompiles right audio channel stream, is compressed, and is packaged as right channel A2DP audios
Data packet, the SOC of the first earphone control that right channel A2DP packets of audio data is transferred to by the first earphone Bluetooth RF module
Two earphones.
Step 204：After second earphone receives right audio channel stream, the zero load for carrying audio stream play instruction code is generated
Data packet, and unloaded data packet is sent to the first earphone.
Specifically, it after the second earphone receives the right audio channel stream, encodes and is packaged the unloaded data packet of generation；By sound
Frequency stream broadcasting instruction code is inserted into the unloaded data packet；The unloaded data packet for carrying audio stream play instruction code is sent
To first earphone.
After second earphone receives right channel A2DP packets of audio data by the Bluetooth RF module of the second earphone, the second ear
The SOC controls CODEC modules of machine are decoded to form right channel analog audio signal to A2DP packets of audio data；Second ear simultaneously
The SOC control CODEC modules of machine export right channel analog audio signal into line delay.
The SOC control CODEC module codings of second earphone compress and are packaged a unloaded data packet, and in unloaded data
Audio stream play instruction code is inserted on the harbour of packet, such as：The audio stream play instruction code of the present invention is set as " GO "；Second ear
The Bluetooth RF module that the SOC of machine controls the second earphone sends the unloaded data packet for being inserted into audio stream play instruction code " GO "
It is received to the first earphone, so that the first earphone carries out music by audio stream play instruction code.
Step 205：Delay preset duration plays right channel sound after unloaded data packet is sent to the first earphone by the second earphone
Frequency flow, with the first earphone synchronously playing audio frequency stream.
Wherein, preset duration can be：Second earphone by unloaded data packet be sent to that the first earphone consumed first when
Long and the first earphone identifies the sum of the second duration that audio stream play instruction code is consumed from the unloaded data packet received.
Step 206：First earphone in the unloaded data packet received after recognizing audio stream play instruction code, by right sound
Channel audio stream is sent to loud speaker submodule.
The present invention is based on BT4.0+EDR technical transmission zero load data packets, the theoretical transmission of data using Bluetooth RF module
Rate 2mbps is equivalent to transmission 1bit data and needs 0.5us, and usually zero load data package size is 80bit, is inserted into audio stream and broadcasts
The size for putting unloaded data packet after instruction code becomes 96bit, and corresponding transmission time needs 48us.
By in actual test, the unloaded data packet for carrying instruction code being carried out between the first earphone and the second earphone more
Secondary transmission is tested, and can be simulated and be tested under different scenes, such as the scene etc. that bluetooth signal intensity is bad, base
In multiple test, transmission time deviation is confirmed substantially in 10us, which will not have any impact to audio sync.
Step 207：Right audio channel circulation is turned to sound wave output by loud speaker submodule.
After first earphone receives the data packet of the second earphone transmission by the Bluetooth RF module of the first earphone, the first ear
The CODEC modules that the SOC of machine controls the first earphone are decoded inspection to data packet, when recognizing instruction code " GO ", first
The SOC controls CODEC modules of earphone export left channel analog audio signal and transform into sound wave to the loudspeaker module of left earphone.
In embodiments of the present invention, audio file to be played is separated by right audio channel stream and left sound by the first earphone
After channel audio stream, right audio channel stream is sent to the second earphone；After second earphone receives right audio channel stream, generates and carry
There is the unloaded data packet of audio stream play instruction code, and unloaded data packet is sent to the first earphone；The delay of second earphone is default
Duration plays right audio channel stream；First earphone after recognizing audio stream play instruction code in the unloaded data packet received,
Left channel audio stream is played, due to unloaded data packet very little, i.e. the first earphone receives time that unloaded data packet expends can be with
It ignores, is equivalent to after the first earphone recognizes audio stream play instruction code, plays left channel audio stream immediately so that first
Earphone and the second earphone almost play simultaneously, are played to promote audio sync between the first earphone of wireless headset and the second earphone
Accuracy.The preset duration in addition, the second earphone is delayed so that the first earphone and the second earphone can almost be played simultaneously
Effect promotes audition experience.
With reference to Fig. 3, a kind of wireless structure diagram for answering equipment of the embodiment of the present invention three is shown.
It is provided in an embodiment of the present invention wireless to answer equipment and include：The wireless equipment of answering includes 301 He of the first earphone
Second earphone 302, first earphone 301 include programmable controller 3011, the first Bluetooth RF module 3012 and second
Playing module 3013, second earphone 302 include：Second Bluetooth RF module 3021, the first playing module 3022 and
One codec 3023：Audio file to be played is separated into right audio channel stream and L channel by the programmable controller 3011
After audio stream, the right audio channel stream is sent to second earphone by the first Bluetooth RF module 3012；Described
After second Bluetooth RF module 3021 of two earphones receives the right audio channel stream, first codec 3023 generates
The unloaded data packet of audio stream play instruction code is carried, the unloaded data packet is sent to by the second Bluetooth RF module
First earphone；First playing module 3022, for postponing in advance after the unloaded data packet is sent to first earphone
If duration plays the right audio channel stream, with the first earphone synchronously playing audio frequency stream；Second playing module 3013 is used
In after recognizing the audio stream play instruction code in the unloaded data packet received, the left channel audio is played
Stream.
Preferably, the preset duration is：The unloaded data packet is sent to first earphone by second earphone
The first duration and first earphone consumed identifies that the audio stream play instruction code is disappeared from the unloaded data packet
The sum of the second duration of consumption.
Preferably, as shown in figure 5, being the structure diagram of the second playing module, second playing module 3013 includes raising
Sound device submodule 30131 and the second codec 30132：The programmable controller of first earphone is from the institute received
It states after recognizing the audio stream play instruction code in unloaded data packet, second codec 30132 is by the right channel
Audio streams are to the loud speaker submodule；Right audio channel circulation is turned to sound by the loud speaker submodule 30131
Wave exports.
Preferably, the structure diagram of the first Bluetooth RF module, the first Bluetooth RF module 3012 are illustrated in figure 4
Including：Receiving submodule 30121 is transmitted for receiving the mobile terminal based on Bluetooth audio frequency mode agreement to be played
Audio file；Separation module 30122, for the audio file to be played to be separated into right audio channel stream and left channel audio
Stream.
Preferably, second earphone 302 further includes that video render instruction code is inserted into module 3024；Second earphone
After 302 the second Bluetooth RF module 3021 receives the right audio channel stream, first codec 3023 is specifically used
Unloaded data packet is generated in encoding and being packaged；The video render instruction code is inserted into module 3024, is used for audio stream broadcasting
Instruction code is inserted into the unloaded data packet；The second Bluetooth RF module 3021 is broadcast specifically for that will carry audio stream
The unloaded data packet for putting instruction code is sent to first earphone.
Mobile terminal provided in an embodiment of the present invention can realize that mobile terminal is realized in the embodiment of the method for Fig. 1 to Fig. 2
Each process, to avoid repeating, which is not described herein again.
In embodiments of the present invention, audio file to be played is separated by right audio channel stream and left sound by the first earphone
After channel audio stream, right audio channel stream is sent to the second earphone；After second earphone receives right audio channel stream, generates and carry
There is the unloaded data packet of audio stream play instruction code, and unloaded data packet is sent to the first earphone；The delay of second earphone is default
Duration plays right audio channel stream；First earphone after recognizing audio stream play instruction code in the unloaded data packet received,
Left channel audio stream is played, due to unloaded data packet very little, i.e. the first earphone receives time that unloaded data packet expends can be with
It ignores, is equivalent to after the first earphone recognizes audio stream play instruction code, plays left channel audio stream immediately so that first
Earphone and the second earphone almost play simultaneously, are played to promote audio sync between the first earphone of wireless headset and the second earphone
Accuracy.The preset duration in addition, the second earphone is delayed so that the first earphone and the second earphone can almost be played simultaneously
Effect promotes audition experience.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.For system embodiment
For, since it is basically similar to the method embodiment, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
It defends oneself bright.
Equipment is answered to a kind of audio file play method provided by the present invention and wirelessly above, has carried out detailed Jie
It continues, principle and implementation of the present invention are described for specific case used herein, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair
Bright thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (10)
1. a kind of audio file play method, equipment is answered applied to wireless, it is described it is wireless answer equipment include the first earphone and
Second earphone, which is characterized in that the method includes：
After audio file to be played is separated into right audio channel stream and left channel audio stream by first earphone, and by the right side
Channel audio stream is sent to second earphone；
After second earphone receives the right audio channel stream, the unloaded data for carrying audio stream play instruction code are generated
Packet, and the unloaded data packet is sent to first earphone；
Delay preset duration plays the right sound after the unloaded data packet is sent to first earphone by second earphone
Channel audio stream, with the first earphone synchronously playing audio frequency stream；
First earphone plays institute after recognizing the audio stream play instruction code in the unloaded data packet received
State left channel audio stream.
2. according to the method described in claim 1, it is characterized in that, the preset duration is：
The unloaded data packet is sent to the first duration and described first that first earphone is consumed by second earphone
Earphone identifies the sum of the second duration that the audio stream play instruction code is consumed from the unloaded data packet.
3. according to the method described in claim 1, it is characterized in that, first earphone includes loud speaker submodule, described
One earphone plays the L channel sound after recognizing the audio stream play instruction code in the unloaded data packet received
The step of frequency flows, including：
First earphone, will be described after recognizing the audio stream play instruction code in the unloaded data packet received
Right audio channel stream is sent to the loud speaker submodule；
Right audio channel circulation is turned to sound wave output by the loud speaker submodule.
4. according to the method described in claim 1, it is characterized in that, audio file to be played is separated into first earphone
After right audio channel stream and left channel audio stream, before the step of right audio channel stream is sent to second earphone,
The method further includes：
First earphone receives the audio file to be played that mobile terminal is transmitted based on Bluetooth audio frequency mode agreement；
The audio file to be played is separated into right audio channel stream and left channel audio stream.
5. according to the method described in claim 1, it is characterized in that, second earphone receives the right audio channel stream
Afterwards, the unloaded data packet for carrying audio stream play instruction code is generated, and the unloaded data packet is sent to first ear
The step of machine, including：
After second earphone receives the right audio channel stream, encodes and be packaged the unloaded data packet of generation；
Audio stream play instruction code is inserted into the unloaded data packet；
The unloaded data packet for carrying audio stream play instruction code is sent to first earphone.
6. a kind of wirelessly answering equipment, the wireless equipment of answering includes the first earphone and the second earphone, which is characterized in that described
First earphone includes programmable controller, the first Bluetooth RF module and the second playing module, and second earphone includes：The
Two Bluetooth RF modules, the first playing module and the first codec：
After audio file to be played is separated into right audio channel stream and left channel audio stream by the programmable controller, described
The right audio channel stream is sent to second earphone by one Bluetooth RF module；
After second Bluetooth RF module of second earphone receives the right audio channel stream, the first codec life
At the unloaded data packet for carrying audio stream play instruction code, the second Bluetooth RF module sends the unloaded data packet
To first earphone；
First playing module postpones for the unloaded data packet to be sent to after first earphone described in preset duration broadcasting
Right audio channel stream, with the first earphone synchronously playing audio frequency stream；
Second playing module, for after recognizing the audio stream play instruction code in the unloaded data packet received,
Play the left channel audio stream.
7. according to claim 6 wirelessly answer equipment, which is characterized in that the preset duration is：
The unloaded data packet is sent to the first duration and described first that first earphone is consumed by second earphone
Earphone identifies the sum of the second duration that the audio stream play instruction code is consumed from the unloaded data packet.
8. according to claim 6 wirelessly answer equipment, which is characterized in that second playing module includes loud speaker
Module and the second codec：
The programmable controller of first earphone recognizes the audio stream from the unloaded data packet received
After play instruction code, the right audio channel stream is sent to the loud speaker submodule by second codec；
Right audio channel circulation is turned to sound wave output by the loud speaker submodule.
9. according to claim 6 wirelessly answer equipment, which is characterized in that the first Bluetooth RF module includes：
Receiving submodule, the audio to be played text transmitted based on Bluetooth audio frequency mode agreement for receiving the mobile terminal
Part；
Separation module, for the audio file to be played to be separated into right audio channel stream and left channel audio stream.
10. according to claim 6 wirelessly answer equipment, which is characterized in that second earphone further includes that video flowing is broadcast
It puts instruction code and is inserted into module；
After second Bluetooth RF module of second earphone receives the right audio channel stream, the first encoding and decoding utensil
Body is for encoding and being packaged the unloaded data packet of generation；
The video render instruction code is inserted into module, for audio stream play instruction code to be inserted into the unloaded data packet
In；
The second Bluetooth RF module is specifically used for the unloaded data packet for carrying audio stream play instruction code being sent to institute
State the first earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380894.XA CN108718361B (en) | 2018-04-25 | 2018-04-25 | Audio file playing method and wireless answering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380894.XA CN108718361B (en) | 2018-04-25 | 2018-04-25 | Audio file playing method and wireless answering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108718361A true CN108718361A (en) | 2018-10-30 |
| CN108718361B CN108718361B (en) | 2021-03-02 |
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| CN113223539A (en) * | 2020-01-20 | 2021-08-06 | 维沃移动通信有限公司 | Audio transmission method and electronic equipment |
| CN114390404A (en) * | 2020-10-16 | 2022-04-22 | Oppo广东移动通信有限公司 | Synchronous playing recovery method, wireless earphone, earphone and storage medium |
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