CN104507041B - A kind of short distance bluetooth two way voice communication system based on Android - Google Patents
A kind of short distance bluetooth two way voice communication system based on Android Download PDFInfo
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- CN104507041B CN104507041B CN201410853526.4A CN201410853526A CN104507041B CN 104507041 B CN104507041 B CN 104507041B CN 201410853526 A CN201410853526 A CN 201410853526A CN 104507041 B CN104507041 B CN 104507041B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
Abstract
The short distance bluetooth two way voice communication system based on Android that the invention discloses a kind of, including voice input/output module, it send for acquiring external voice Data Concurrent and is additionally operable to play the voice data received from intelligent direction handover module to intelligent direction handover module；Voice output input module is additionally operable to receive the voice data concurrency that user terminal is sent by bluetooth and sent to intelligent direction handover module for receiving voice data that intelligent direction handover module is sent and be sent to corresponding user terminal by bluetooth；Intelligent direction handover module, if the voice data received from voice input/output module, the voice data is then output by voice input module and is sent to corresponding user terminal, if inputting the voice data received from voice output, then the voice data is played by voice input/output module.The present invention can transmit audio, voice data, and realize the intelligence switching of voice direction.
Description
Technical field
The present invention relates to field of voice communication, especially a kind of short distance bluetooth two way voice communication based on Android
System.
Background technology
Existing blue tooth voice communicates, for example the voice communication between Android device and bluetooth headset is based on synchronous
Orientation connection（SCO）Link, the sample rate of the data of the link transmission based on SCO is generally 8KHz or 16KHz, Bu Nengchuan
The audio data of defeated frequency bigger, the audio transmission being unfavorable between equipment.
Bluetooth double-directional speech greatly improves the experience of Android platform bluetooth applications, it is suitable for two Android
Voice communication is carried out between equipment, voice data distributes specification by advanced audio（A2DP）It is transmitted, it is based on asynchronous
It is connectionless（ACL）Link, and ACL link can transmit the data more than 44.1KHz sample rates, improve the matter of audio transmission
Amount.But it currently based on the usually audio data being transmitted using A2DP, and could be realized in the case of manual operation
Transmitted in both directions.
Invention content
To solve the above problems, the purpose of the present invention is to provide a kind of bluetooth two way voice communication based on Android
Method and system can not only transmit audio, voice data, can also detect the input state of voice to realize voice direction
Intelligence switching.
Technical solution is used by the present invention solves the problems, such as it：
A kind of short distance bluetooth two way voice communication system based on Android, including：
Voice input/output module is sent to for acquiring external voice data, and by collected external voice data
Intelligent direction handover module is additionally operable to play the voice data received from intelligent direction handover module；
Voice output input module, the voice data sent for receiving intelligent direction handover module, and by the voice number
It is sent to corresponding user terminal according to by bluetooth, is additionally operable to receive the voice data that user terminal is sent by bluetooth, and by the language
Sound data are sent to intelligent direction handover module；
Intelligent direction handover module, intelligence direction handover module are connected to voice input/output module and voice output
Between input module, for judging it is the voice data received from voice input/output module, or it is defeated from voice output
Enter the voice data received, if from the voice data that voice input/output module receives, then sends the voice data
To voice output input module, and it is output by voice input module and the voice data is sent to corresponding user terminal, if
The voice data received is inputted from voice output, then the voice data is sent to voice input/output module, and pass through language
Sound input/output module plays the voice data.
Further, further include：
Audio sharing module switches for passing through to start an audio and share thread audio data is sent to intelligent direction
Module and the audio data for receiving the handover module transmission of intelligent direction.
Further, the audio shares the audio data that thread only transmits single direction in the same time.
Further, the voice input/output module or voice output input module send language to intelligent direction handover module
When sound data, the audio of intelligence direction handover module notification audio sharing module shares hair of the thread stopping to audio data
When sending, and being not received by the voice data of voice input/output module or voice output input module within a certain period of time, lead to
Bosom friend's frequency division enjoys thread and continues to send audio data.
Further, the voice input/output module judges that the maximum amplitude of external voice data whithin a period of time is more than
When the threshold values of setting, external voice data are acquired.
The beneficial effects of the invention are as follows：
The present invention uses a kind of short distance bluetooth two way voice communication system based on Android, makes based on A2DP's
Android device bluetooth double-directional speech can not only transmit audio, voice data, can also detect the input state of voice to
Realize the intelligence switching of voice direction, meanwhile, the Android device bluetooth double-directional speech based on A2DP only uses on hardware
Universal asynchronous receiving-transmitting transmitter（UART）Interface does not need pulse code modulation（PCM）Interface solves the complexity on hardware
Problem.
Description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of system of the present invention；
Fig. 2 is system communication of the present invention and shares the flow diagram of audio.
Specific implementation mode
Shown in referring to Fig.1, a kind of short distance bluetooth two way voice communication system based on Android of the invention, including：
Voice input/output module is sent to for acquiring external voice data, and by collected external voice data
Intelligent direction handover module is additionally operable to play the voice data received from intelligent direction handover module；
Voice output input module, the voice data sent for receiving intelligent direction handover module, and by the voice number
It is sent to corresponding user terminal according to by bluetooth, is additionally operable to receive the voice data that user terminal is sent by bluetooth, and by the language
Sound data are sent to intelligent direction handover module；
Intelligent direction handover module, intelligence direction handover module are connected to voice input/output module and voice output
Between input module, for judging it is the voice data received from voice input/output module, or it is defeated from voice output
Enter the voice data received, if from the voice data that voice input/output module receives, then sends the voice data
To voice output input module, and it is output by voice input module and the voice data is sent to corresponding user terminal, if
The voice data received is inputted from voice output, then the voice data is sent to voice input/output module, and pass through language
Sound input/output module plays the voice data.
Wherein, the voice input/output module judge the maximum amplitude of external voice data whithin a period of time be more than set
When fixed threshold values, external voice data are acquired.
The present invention is additionally provided with audio sharing module, starts an audio for passing through and shares thread and send audio data
The audio data sent to intelligent direction handover module and the intelligent direction handover module of reception, and the audio shares thread same
One time only transmitted the audio data of single direction.
Do not conflict with what is communicated to ensure that voice is shared, the voice input/output module or voice output input module to
When intelligent direction handover module sends voice data, the audio of intelligence direction handover module notification audio sharing module is shared
Thread stops transmission to audio data, and is not received by voice input/output module within a certain period of time or voice output is defeated
When entering the voice data of module, notification audio shares thread and continues to send audio data.
With reference to shown in Fig. 2, system of the present invention is in the flow chart for carrying out communication and sharing with audio, when there is audio input
When, when voice input/output module detects that the audio is more than the threshold value of setting, then local audio broadcasting is judged whether there is, such as
Fruit has, then suspends broadcasting, and otherwise, voice input/output module acquires the voice data and sends it to intelligent direction switching mould
Voice data is sent to voice output input module by block, intelligent direction handover module, and voice output input module passes through bluetooth
Voice data is sent to corresponding user terminal；Later, present invention detects whether the audios for having pause, if so, then carrying out this
Ground audio plays, and when audio plays, shares if carrying out audio, audio sharing module starts an audio and shares thread by audio
Data are sent to intelligent direction handover module, which is sent to output input module, language by intelligent direction handover module
Voice data is sent to corresponding user terminal by sound output input module by bluetooth, realizes that audio is shared.
The application scenarios of the present invention are mainly that short distance two way voice communication is shared with audio.As long as one party user is opposite
When equipment is spoken and sound is more than certain threshold value, equipment can detect voice input at this time, to rapidly switch automatically
To voice input state, then voice data is by by the equipment of Bluetooth transmission to another party user, another party user
Hear the other user's one's voice in speech.User can choose whether audio being shared with another user, is shared with when by audio
When another user, not only user itself can hear that audio, another user can also hear audio simultaneously.
The present invention technically realizes the intelligence switching of voice direction, when playing, sharing audio if there is voice data
Need transmission then can first suspend the broadcasting of audio, etc. voice data transmissions are complete is further continued for playing audio, and hardware communications are connect
Demand on mouth is preferably minimized, it is thus only necessary to simple UART interface.
The above, only presently preferred embodiments of the present invention, the invention is not limited in the above embodiments, as long as
It reaches the technique effect of the present invention with identical means, should all belong to the scope of protection of the present invention.
Claims (2)
1. a kind of short distance bluetooth two way voice communication system based on Android, which is characterized in that including：
Voice input/output module is sent to intelligence for acquiring external voice data, and by collected external voice data
Direction handover module is additionally operable to play the voice data received from intelligent direction handover module；
Voice output input module, the voice data sent for receiving intelligent direction handover module, and the voice data is led to
It crosses bluetooth and is sent to corresponding user terminal, be additionally operable to receive the voice data that user terminal is sent by bluetooth, and by the voice number
According to being sent to intelligent direction handover module；
Intelligent direction handover module, intelligence direction handover module are connected to voice input/output module and voice output input
Between module, mould is inputted for judging it is the voice data received from voice input/output module, or from voice output
If the voice data that block receives then sends the voice data from the voice data that voice input/output module receives
To voice output input module, and it is output by voice input module and the voice data is sent to corresponding user terminal, if
The voice data received from voice output input module, then be sent to voice input/output module, and lead to by the voice data
It crosses voice input/output module and plays the voice data；
Audio sharing module starts an audio and shares thread audio data is sent to intelligent direction handover module for passing through
With the audio data for receiving the handover module transmission of intelligent direction；
The audio shares the audio data that thread only transmits single direction in the same time；
When the voice input/output module or voice output input module send voice data to intelligent direction handover module, institute
The audio for stating intelligent direction handover module notification audio sharing module shares transmission of the thread stopping to audio data, and certain
When being not received by the voice data of voice input/output module or voice output input module in the time, notification audio shares line
Cheng Jixu sends audio data.
2. a kind of short distance bluetooth two way voice communication system based on Android according to claim 1, feature exist
In the voice input/output module judges that the maximum amplitude of external voice data whithin a period of time is more than the threshold values of setting
When, acquire external voice data.
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| CN104507041B true CN104507041B (en) | 2018-09-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106658369B (en) * | 2016-12-06 | 2020-02-07 | 歌尔科技有限公司 | Bidirectional voice communication equipment, communication system and communication method |
| CN106776595B (en) * | 2017-01-07 | 2023-07-28 | 安徽声讯信息技术有限公司 | Central processing module interaction system based on Bluetooth transmission |
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| CN103068063A (en) * | 2011-10-20 | 2013-04-24 | 中兴通讯股份有限公司 | Multimode communication method, terminal and system |
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| CN203721183U (en) * | 2013-12-25 | 2014-07-16 | 安徽科大讯飞信息科技股份有限公司 | A voice wakening device |
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| CN103516418B (en) * | 2012-06-29 | 2016-06-08 | 深圳市快播科技有限公司 | A kind of multimedia interaction communication system, method and the equipment of reception |
| CN103841137A (en) * | 2012-11-22 | 2014-06-04 | 腾讯科技（深圳）有限公司 | Method for intelligent terminal to control webpage application, and intelligent terminal |
| US20140267148A1 (en) * | 2013-03-14 | 2014-09-18 | Aliphcom | Proximity and interface controls of media devices for media presentations |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103068063A (en) * | 2011-10-20 | 2013-04-24 | 中兴通讯股份有限公司 | Multimode communication method, terminal and system |
| CN103166935A (en) * | 2011-12-16 | 2013-06-19 | 中兴通讯股份有限公司 | Method and device for realizing near field communication |
| CN102457618A (en) * | 2011-12-22 | 2012-05-16 | 苏州群凯信息系统有限公司 | Novel mobile communication terminal |
| CN203721183U (en) * | 2013-12-25 | 2014-07-16 | 安徽科大讯飞信息科技股份有限公司 | A voice wakening device |
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