CN101404524A - System and method for audio/video signal transmission through Bluetooth technology - Google Patents
System and method for audio/video signal transmission through Bluetooth technology Download PDFInfo
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- CN101404524A CN101404524A CNA2008102172276A CN200810217227A CN101404524A CN 101404524 A CN101404524 A CN 101404524A CN A2008102172276 A CNA2008102172276 A CN A2008102172276A CN 200810217227 A CN200810217227 A CN 200810217227A CN 101404524 A CN101404524 A CN 101404524A
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Abstract
The invention discloses a system for transmitting an audio and video signal by a Bluetooth technology and a method thereof. The method is as follows: a video signal is compressed by a transmitting end for forming a compressed video signal and then the compressed video signal is mixed with a compressed audio signal; after being mixed, the mixed signals are transmitted to a wireless communication device by a Bluetooth communication interface; after the mixed signals are received by the wireless communication device, the compressed video signal and the compressed audio signal are separated; the compressed video signal is decompressed for forming a video signal and then the video signal is transmitted to the wireless communication device for displaying. The method provided by the invention effectively realizes the goals of simultaneously transmitting the audio and video signals by adopting the mode of using the transmitting end to transmit the mixed and compressed signal of audio and video which is formed by carrying out mixing on the video signal after being compressed with the compressed audio signal to the receiving end of the wireless communication device by the Bluetooth communication interface and carrying out video signal display; besides, people can watch audio and video programs at any place and in any time without the restriction of a wire, thus leading the life of people to be more convenient and freer.
Description
Technical field
The present invention relates to a kind of system and method thereof, relate in particular to a kind of system and method thereof by the Bluetooth technology audio/video signal transmission by the Bluetooth technology transmit communications signals.
Background technology
Along with making constant progress of correlation techniques such as electronic communication, various communication equipments develop towards intelligent, diversified direction.
Bluetooth technology has been widely used in communication field as wireless communication technique.Become the standard configuration function of most mobile phones as the blue tooth wireless communication interface, possessed the wireless telecommunications system of bluetooth configuration, can be more convenient, fast during use.
Along with the progress of Display Technique, video products such as viewed spectacles also arise at the historic moment thereupon in addition, make people no matter can watch video frequency programs such as film, TV easily when and where.Give you visually beautiful enjoyment.But prior art also exists deficiency, also is subjected to impeding of electric wire in visual enjoyment, and activity is very not free, and operating range is limited, can only be movable in the circular scope of radius with the wire length.
Therefore, prior art awaits to improve and development.
Summary of the invention
Purpose of the present invention when using communication apparatus, obtains the demand of audio-video signal in order to satisfy people under the situation that no electric wire is impeded easily, and a kind of system and method thereof by the Bluetooth technology audio/video signal transmission is provided.
Technical scheme of the present invention is as follows:
A kind of system by the Bluetooth technology audio/video signal transmission, it comprises: transmitting terminal, wireless telecommunications system receiving terminal, blue tooth interface, described transmitting terminal is connected with the communication of described wireless telecommunications system receiving terminal by blue tooth interface; Wherein, described transmitting terminal and described wireless telecommunications system receiving terminal are provided with a video signal compression chip respectively;
Described video signal compression chip is used for vision signal is compressed processing or the video compression signal is carried out decompression.
Described system, wherein, described transmitting terminal is provided with audio frequency and video compressed signal mixing module; Described wireless telecommunications system receiving terminal is provided with audio frequency and video compressed mixed signal separation module;
Described audio frequency and video compressed signal mixing module is used for audio compression signal, video compression signal are carried out mixed processing;
Described audio frequency and video compressed mixed signal separation module is used for audio frequency and video compressed mixed signal is carried out separating treatment.
Described system, wherein, described transmitting terminal is provided with audio signal software compression module; Described wireless telecommunications system receiver module is provided with the audio signal software decoding module that contracts;
Described audio signal software compression module is used for that audio signal is carried out the software compression and handles
The described audio signal software decoding module that contracts is used for the audio compression signal is carried out the software decoding processing of contracting.
A kind of method by the Bluetooth technology audio/video signal transmission, its step is as follows:
A, the transmitting terminal vision signal is compressed, formed transmitting terminal video compression signal;
B, described transmitting terminal video compression signal is mixed with transmitting terminal audio compression signal, form transmitting terminal audio frequency and video compressed mixed signal, and be transferred to the wireless telecommunications system receiving terminal by the bluetooth communication interface;
C, described wireless telecommunications system receiving terminal receive described audio frequency and video compressed mixed signal, form receiving terminal audio frequency and video compressed mixed signal, and are separated into receiving terminal video compression signal and receiving terminal audio compression signal;
D, described receiving terminal video compression signal decompression is formed the receiving terminal vision signal, and the video display module that is transferred to described wireless telecommunications system receiving terminal carries out video and shows.
Described method, wherein, described step D also comprises step: described receiving terminal audio compression signal is decompressed forms the receiving terminal audio signal, and is transferred to described wireless telecommunications system receiving terminal audio playing module and carries out voice playing.
Described method, wherein, described transmitting terminal can be used as the wireless telecommunications system receiving terminal, finishes the operating function of described wireless logical equipment receiving terminal.
Described method, wherein, described wireless telecommunications system receiving terminal can be used as transmitting terminal, the operating function of described transmitting terminal.
A kind of system and method thereof provided by the present invention by the Bluetooth technology transmission video signal, by employing vision signal is compressed the back and be transferred to the wireless telecommunications system receiving terminal by the bluetooth communication interface with the audio frequency and video mixed compressed signals of audio compression signal mixing formation, and the mode of carrying out the vision signal demonstration, realized the purpose that audio-video signal transmits simultaneously effectively, no longer be subjected to impeding of wired electric wire when also allowing people watch audio/video program any time anywhere simultaneously, make people's the convenient freedom of life.
Description of drawings
Fig. 1 is a system construction drawing of the present invention;
Fig. 2 is a method flow diagram of the present invention;
Fig. 3 is a mobile phone audio-video signal transmitting terminal block diagram of the present invention;
Fig. 4 is a viewed spectacles end audio-video signal receiving terminal block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing each preferred embodiment of the present invention is made a more detailed description.
System by the Bluetooth technology audio/video signal transmission of the present invention, as shown in Figure 1, it comprises: transmitting terminal, wireless telecommunications system receiving terminal, blue tooth interface, described transmitting terminal is connected with the communication of described wireless telecommunications system receiving terminal by blue tooth interface; Described transmitting terminal includes again: video signal compression chip, audio signal software compression module, audio frequency and video compressed signal mixing module;
Described wireless telecommunications system receiving terminal comprises again: audio frequency and video compressed mixed signal separation module, video signal compression chip, the audio signal software decoding module that contracts;
Described video signal compression chip is used for vision signal is compressed processing or the video compression signal is carried out decompression.
Described audio frequency and video compressed signal mixing module is used for audio compression signal, video compression signal are carried out mixed processing;
Described audio frequency and video compressed mixed signal separation module is used for audio frequency and video compressed mixed signal is carried out separating treatment.
Described audio signal software compression module is used for that audio signal is carried out the software compression and handles;
The described audio signal software decoding module that contracts is used for the audio compression signal is carried out the software decoding processing of contracting;
Method by the Bluetooth technology audio/video signal transmission of the present invention is divided into audio-video signal transmitting terminal and wireless telecommunications system receiving terminal.
Described audio-video signal transmitting terminal was divided into the next stage:
The software compression stage of audio signal stream; The hardware-compressed stage of video signal flow; Video compression signal, audio compression signal are by software program computing mix stages; The audio frequency and video mixed compressed signals is by bluetooth communication interface transmit stage.
Described wireless telecommunications system receiving terminal was divided into the next stage: the audio frequency and video mixed compressed signals receives the stage by Bluetooth chip; The audio frequency and video mixed compressed signals is by software program computing separation phase; Video compression signal hardware decompression phase; Vision signal shows and audio signal is play the stage.
Its method as shown in Figure 2, step is as follows:
S1, on audio-video signal transmitting terminal mainboard, set up the video signal compression chip, on wireless telecommunications system receiving terminal mainboard, set up the video signal compression chip;
Video signal compression chip on the described transmitting terminal mainboard, and the video signal compression chip on the described wireless telecommunications system receiving terminal mainboard can be used for vision signal is compressed, and also can decompress.
S2, described video signal compression chip carry out high compression ratio compression apace to the transmitting terminal video signal flow, form the video compression signal;
S3, transmitting terminal video compression signal and transmitting terminal audio compression signal are mixed, form transmitting terminal audio frequency and video compressed mixed signal, and be transferred to the wireless telecommunications system receiving terminal by blue tooth interface;
After S4, wireless telecommunications system receiving terminal receive described transmitting terminal audio frequency and video compressed mixed signal, it is separated into receiving terminal video compression signal and receiving terminal audio compression signal, simultaneously described receiving terminal video compression signal is transferred to the video signal compression chip and decompresses, form the receiving terminal vision signal;
S5, carry out video for wireless telecommunications system receiving terminal display module described receiving terminal video signal transmission to show;
Simultaneously, carry out voice playing for wireless telecommunications system receiving terminal audio playing module the receiving terminal audio signal transmission.
In the method for the present invention, transmitting terminal also can be used as the wireless telecommunications system receiving terminal, receive audio-video signal, promptly finish the operating function of above-mentioned wireless telecommunications system receiving terminal, simultaneously, the wireless telecommunications system receiving terminal also can send audio-video signal as transmitting terminal, promptly finishes the operating function of above-mentioned transmitting terminal.
Present embodiment is to be that example is carried out a more detailed description to the present invention by Bluetooth technology transmitting cell-phone vision signal to the viewed spectacles end, and its step is as follows:
L1, on cell phone mainboard, set up a video signal compression chip, a video signal compression chip is set on the viewed spectacles mainboard;
L2, revise the cell phone software program, with audio signal stream carry out the software program compression, vision signal is sent into the video signal compression chip and is carried out hardware-compressed, forms audio compression signal, video compression signal,
L3, described video compression signal, audio compression signal are mixed by the software program computing, form audio frequency and video compressed mixed signal;
L4, audio frequency and video compressed mixed signal is transmitted to the viewed spectacles end by the bluetooth communication interface;
L5, viewed spectacles end receive audio frequency and video compressed mixed signal by Bluetooth chip, simultaneously it are separated into video compression signal, audio compression signal by the software operation program;
L6, the video compression signal is transferred to the video signal compression chip carries out hardware and decompress, obtain vision signal, and it is transferred to the video display module of viewed spectacles end and shows;
L7, the audio compression signal is decompressed by software program, obtain audio signal, and it is transferred to viewed spectacles end audio playing module plays.
Simultaneously, the viewed spectacles end also can be with video signal transmission to communication apparatus such as mobile phones, and its concrete operations flow process is identical with said method, just vision signal transmitting terminal and video reception end reverse roles.Described mobile video signal end compression chip, and viewed spectacles looks closely Signal Compression chip frequently, can compress vision signal, also can decompress to vision signal.
The mobile phone end is by the process of blue tooth interface transmission video and audio signal, and as shown in Figure 3, handset program is transferred to video signal compression chip 102 with video signal flow 101 and carries out the video signal compression processing, obtains the video compression signal; Simultaneously audio signal stream 105 is transferred to audio signal software compression module 104 and carries out the audio signal compression processing, obtain the audio compression signal, and then video compression signal, audio compression signal mixed by the software program computing, form audio frequency and video compressed mixed signal 103, and be transferred to the viewed spectacles end by the bluetooth communication interface.
Viewed spectacles end receiving video signals, audio signal, and the process that shows, plays, as shown in Figure 4, after the viewed spectacles end receives compression audio-video mixed signal 103 by the bluetooth communication interface, it is carried out Signal Separation by the software program computing, form independently video compression signal 1091 and audio compression signal 1092, then with video compression signal 1091, be transferred to video signal compression chip 108, decompressing obtains vision signal 107, and described vision signal 107 is transferred to viewed spectacles looks closely frequently display module 106 and carry out video and show; Simultaneously audio compression signal 1092 is transferred to the audio signal software decoding module 110 that contracts and decompresses and obtain audio signal 111, and described audio signal 111 is transferred to viewed spectacles end audio playing module 112 carries out voice playing.
Technical scheme of the present invention is applicable to and passes through blue-tooth technology audio/video signal transmission simultaneously between various communication apparatus signal sending ends and the communication apparatus signal receiving end.
Technical solutions according to the invention compared with prior art, the present invention is transmitted vision signal and audio signal simultaneously by the bluetooth communication interface, allow the user can hear sound and see video pictures simultaneously, and existing technical scheme can only transmitting audio signal; Technical scheme of the present invention is applicable to the existing various communication apparatus that has Bluetooth function, and the change of software and hardware has been lacked in letter, implements convenient and reliable; Simultaneously, the variation that the wireless telecommunications system receiving terminal is selected makes technical scheme of the present invention have very realistic meanings and wide application prospect.
Should be understood that the description of above-mentioned specific embodiment is comparatively detailed, can not therefore be interpreted as the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.
Claims (7)
1, a kind of system by the Bluetooth technology audio/video signal transmission, it comprises: transmitting terminal, wireless telecommunications system receiving terminal, blue tooth interface, described transmitting terminal is connected with the communication of described wireless telecommunications system receiving terminal by blue tooth interface; It is characterized in that described transmitting terminal and described wireless telecommunications system receiving terminal are provided with a video signal compression chip respectively;
Described video signal compression chip is used for vision signal is compressed processing or the video compression signal is carried out decompression.
2, system according to claim 1 is characterized in that, described transmitting terminal is provided with audio frequency and video compressed signal mixing module; Described wireless telecommunications system receiving terminal is provided with audio frequency and video compressed mixed signal separation module;
Described audio frequency and video compressed signal mixing module is used for audio compression signal, video compression signal are carried out mixed processing;
Described audio frequency and video compressed mixed signal separation module is used for audio frequency and video compressed mixed signal is carried out separating treatment.
3, system according to claim 1 is characterized in that, described transmitting terminal is provided with audio signal software compression module; Described wireless telecommunications system receiver module is provided with the audio signal software decoding module that contracts;
Described audio signal software compression module is used for that audio signal is carried out the software compression and handles
The described audio signal software decoding module that contracts is used for the audio compression signal is carried out the software decoding processing of contracting.
4, a kind of method by the Bluetooth technology audio/video signal transmission, its step is as follows:
A, the transmitting terminal vision signal is compressed, formed transmitting terminal video compression signal;
B, described transmitting terminal video compression signal is mixed with transmitting terminal audio compression signal, form transmitting terminal audio frequency and video compressed mixed signal, and be transferred to the wireless telecommunications system receiving terminal by the bluetooth communication interface;
C, described wireless telecommunications system receiving terminal receive described audio frequency and video compressed mixed signal, form receiving terminal audio frequency and video compressed mixed signal, and are separated into receiving terminal video compression signal and receiving terminal audio compression signal;
D, described receiving terminal video compression signal decompression is formed the receiving terminal vision signal, and the video display module that is transferred to described wireless telecommunications system receiving terminal carries out video and shows.
5, method according to claim 4, it is characterized in that, described step D also comprises step: described receiving terminal audio compression signal is decompressed forms the receiving terminal audio signal, and is transferred to described wireless telecommunications system receiving terminal audio playing module and carries out voice playing.
6, method according to claim 5 is characterized in that, described transmitting terminal can be used as the wireless telecommunications system receiving terminal, finishes the operating function of the wireless logical equipment receiving terminal described in the claim 4.
7, method according to claim 5 is characterized in that, described wireless telecommunications system receiving terminal can be used as transmitting terminal, finishes the operating function of the transmitting terminal described in the claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102172276A CN101404524A (en) | 2008-10-27 | 2008-10-27 | System and method for audio/video signal transmission through Bluetooth technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102172276A CN101404524A (en) | 2008-10-27 | 2008-10-27 | System and method for audio/video signal transmission through Bluetooth technology |
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| CN101404524A true CN101404524A (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008102172276A Pending CN101404524A (en) | 2008-10-27 | 2008-10-27 | System and method for audio/video signal transmission through Bluetooth technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103167345A (en) * | 2012-09-07 | 2013-06-19 | 深圳市金立通信设备有限公司 | System and method for enabling audio and video to be transmitted to mobile phone to conduct real-time output playing based on Bluetooth |
| CN103593424A (en) * | 2013-11-07 | 2014-02-19 | 浪潮电子信息产业股份有限公司 | Configurable big-data compression processing system integrating software and hardware |
-
2008
- 2008-10-27 CN CNA2008102172276A patent/CN101404524A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103167345A (en) * | 2012-09-07 | 2013-06-19 | 深圳市金立通信设备有限公司 | System and method for enabling audio and video to be transmitted to mobile phone to conduct real-time output playing based on Bluetooth |
| CN103593424A (en) * | 2013-11-07 | 2014-02-19 | 浪潮电子信息产业股份有限公司 | Configurable big-data compression processing system integrating software and hardware |
| WO2015066980A1 (en) * | 2013-11-07 | 2015-05-14 | 浪潮电子信息产业股份有限公司 | Software/hardware compression configurable big data processing system |
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Application publication date: 20090408 |