CN102438119B - Audio/video communication system of digital television - Google Patents
Audio/video communication system of digital television Download PDFInfo
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- CN102438119B CN102438119B CN201010503421.8A CN201010503421A CN102438119B CN 102438119 B CN102438119 B CN 102438119B CN 201010503421 A CN201010503421 A CN 201010503421A CN 102438119 B CN102438119 B CN 102438119B
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- 238000004891 communication Methods 0.000 title claims abstract description 74
- 230000000875 corresponding Effects 0.000 claims abstract description 6
- 235000021167 banquet Nutrition 0.000 claims description 44
- 229920004880 RTP PEK Polymers 0.000 claims description 43
- 230000000977 initiatory Effects 0.000 claims description 9
- 230000005236 sound signal Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The invention provides an audio/video communication system of a digital television. The audio/video communication system comprises a digital television terminal, a call server, a transfer server, a voice prompt server, a computer telecommunication integration server and a seat side. The digital television terminal sends an audio/video communication request to the call server, and the call server forwards the request to the transfer server; the transfer server transfers the audio/video communication request; the voice prompt server provides a corresponding function menu for the digital television terminal according to the audio/video communication request transferred by the transfer server; and the computer telecommunication integration server sends the function selected by the digital television terminal to the seat side, and the seat side sends audio/video signals required by the audio/video communication request to the digital television terminal through the transfer server. According to the audio/video communication system of the digital television, software is not needed to be installed, and the advantages of wired network and good display effect and good audio effect of the digital television are utilized, so that the high-quality audio/video communication is conveniently realized.
Description
Technical field
The invention belongs to digital television techniques, relate in particular to a kind of audio/video communication system of Digital Television.
Background technology
At present, the mode that can realize audio/video communication mainly contains 3G mobile, PC instant video bitcom etc., but 3G mobile carries out audio/video communication relies on wireless network, the signal of wireless network cannot reach the such high-quality of signal of cable network, and 3G mobile image resolution ratio is lower, tonequality is also poor, cannot meet the audio/video communication that high-quality requires; PC MSN is taking computer as carrier, while using PC MSN, first need to install on computers MSN, then register account number or the corresponding login of purchase card number, after finally logining, could use, operation sequence more complicated, is not suitable for general family, and particularly in general family, child and old man use.
Existing Digital Television, general only televising for wired broadcasting and the broadcasting of Web TV, does not relate to the audio/video communication taking Digital Television as client.If use the cable network of existing Digital Television, utilize the high-resolution large-screen of Digital Television and good stereo set, can realize high-quality communication; Digital Television, without special mounting software, directly can be carried out audio/video communication, also can greatly facilitate household's use.
In view of this, be necessary to provide a kind of audio/video communication system based on Digital Television.
Summary of the invention
The object of the present invention is to provide a kind of audio/video communication system of Digital Television, be intended to solve existing audio/video communication mode inconvenience and the poor problem of communication quality.
The present invention is achieved in that a kind of audiovisual frequency in digital TV communication system, and it comprises digital TV terminal, call server, transfer server, voice prompt services device, Computer &Telephony Integration Server and the end of attending a banquet.Television terminal sends audio/video communication request; The audio/video communication request that call server receiving digital television terminal sends, and this request is forwarded; Transfer is carried out in the audio/video communication request that transfer server forwards call server; Voice prompt services device, according to the audio/video communication request of transfer server transfer, provides corresponding function menu to this digital TV terminal; This Computer &Telephony Integration Server is selected digital TV terminal function according to function menu is sent to this end of attending a banquet, and this end of attending a banquet is sent to digital TV terminal by audio-video signal required video communication request through transfer server; Described digital TV terminal also comprises: microprocessor, the audio/video communication request of digital TV terminal is decoded; SIP call manager passage, is sent to call server by decoded audio/video communication request; Audio/video encoding/decoding module, decodes the audio-video signal of the end of attending a banquet after processing, presents to digital TV terminal; And the audio-video signal of digital TV terminal is encoded after processing, be sent to the end of attending a banquet.
In this audiovisual frequency in digital TV communication system, digital TV terminal sends video communication request based on Session Initiation Protocol; Voice prompt services device turns back to digital TV terminal by transfer server and call server function menu successively based on Session Initiation Protocol; Attend a banquet end group in RTP/RTCP agreement, audio-video signal required audio/video communication request is sent to digital TV terminal through transfer server.The audio/video information of this digital TV terminal is sent to this end of attending a banquet by transfer server.
In this digital TV terminal, SIP call manager passage is the audio/video communication passage of setting up according to session initiation protocol, and this passage generates, the session of revising and terminating between one or more participants.
This audio/video encoding/decoding module comprises a RTP receiving element, video decoding unit, the 2nd RTP receiving element, audio decoding unit, video capture unit, video encoding unit, the one RTP transmitting element, audio capture unit, audio coding unit and the 2nd RTP transmitting element.The one RTP receiving element receives the video data of attending a banquet end transmission and come in real time; The video data decoding that video decoding unit receives a RTP receiving element, is presented to this digital TV terminal; The 2nd RTP receiving element receives the voice data of the end transmission of attending a banquet in real time; The voice data decoding that audio decoding unit receives the 2nd RTP receiving element, is presented to this digital TV terminal; Video capture unit carries out the video capture of digital cable customers end; The Video coding that video encoding unit catches video capture unit; The video data transmitting that the one RTP transmitting element is encoded this video encoding unit is to the end of attending a banquet; The audio signal of audio capture unit receiving digital television terminal; The coding audio signal processing that audio coding unit receives audio capture unit; Voice signal after coding is sent to the end of attending a banquet by the 2nd RTP transmitting element.
In this audio/video encoding/decoding module, a RTP receiving element and the 2nd RTP receiving element, based on RTP host-host protocol, receive audio-video signal in real time, and a RTP transmitting element and the 2nd RTP transmitting element, based on RTP host-host protocol, send audio-video signal in real time.
In addition, this digital TV terminal also comprises network interface card, remote controller, Receiver, display screen and loud speaker.Network interface card is realized the UNICOM of Digital Television and the Internet, receives the audio-video signal of the Internet, and sends audio-video signal to the Internet; Remote controller sends audio/video communication request; Receiver receives the audio frequency and video request that remote controller sends, and is sent to microprocessor; Display screen shows the vision signal of audio/video encoding/decoding unit decodes; Loud speaker is play the audio signal of audio/video encoding/decoding unit decodes.
By above-mentioned audiovisual frequency in digital TV communication system, the audio-video signal of digital TV terminal is sent to the end of attending a banquet through the Internet, and the audio-video signal of the end of attending a banquet is sent to digital TV terminal through the Internet, digital TV terminal utilizes cable network and itself display effect and the good advantage of audio frequency effect, realizes high-quality audio/video communication; And digital TV terminal, without special mounting software, facilitates user to carry out audio/video communication.
Brief description of the drawings
Fig. 1 is the structured flowchart of audiovisual frequency in digital TV communication system of the present invention;
Fig. 2 is the structured flowchart of digital TV terminal in Fig. 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, is the structured flowchart of audiovisual frequency in digital TV communication system of the present invention.This audiovisual frequency in digital TV communication system comprises digital TV terminal 10, call server 20, transfer server 30, voice prompt services device 40, Computer &Telephony Integration Server 50 and the end 60 of attending a banquet.
According to user's audio/video communication request, digital TV terminal 10, based on Session Initiation Protocol, is sent to call server 20 by this request; The request that 20 responsible receiving digital television terminals 10 of call server send, and this request is sent to transfer server 30, as IP PBX transfer server 30; Transfer server 30 is responsible for audio/video communication request to carry out transfer, this request is forwarded to voice prompt services device 40, as IVR voice prompt services device 40, according to audio/video communication, request provides corresponding function menu to 40 of voice prompt services devices, this menu provides with speech form, voice prompt services device 40 turns back to digital TV terminal 10 by transfer server 30 and call server 20 function menu successively based on Session Initiation Protocol, selects required function for user.User selects after a certain function items according to function menu, and voice prompt services device 40 notifies Computer &Telephony Integration Server 50 that corresponding request is assigned to the end 60 of attending a banquet accordingly.
Attend a banquet end 60 based on RTP/RTCP agreement, audio-video signal required audio/video communication request is sent to transfer server 30, transfer server 30 plays transfer effect, by audio-video signal retransmission to digital TV terminal 10.
In addition, when this end 60 of attending a banquet sends audio and video resources, can also assist digital TV terminal to play, as the end 60 of attending a banquet is grasped playing progress rate etc.In addition, for corporate users, for example, carry out " the Yoga class " of Yoga study by network, the end 10 of attending a banquet can be sent to many digital TV terminals by audio and video resources by this transfer server 30 simultaneously, realizes the one-to-many teaching of the end of attending a banquet.
Camera head and the microphone etc. that these digital TV terminal 10 utilizations itself arrange obtains the audio/video information of digital TV terminal 10, and this audio/video information is sent to transfer server 30,30 of the transfer servers audio/video information by digital TV terminal 10 is forwarded to the end 60 of attending a banquet, and realizes the audio/video communication of digital TV terminal 10 and the end 60 of attending a banquet.
In the audio/video communication system of this Digital Television, digital TV terminal 10 belongs to the category of local area network (LAN); Attend a banquet and hold 60, Computer &Telephony Integration Server 50 and voice prompt services device 40 also belong to local area network (LAN) category, and are positioned at same local area network (LAN); 30 of call server 20 and transfer servers belong to the Internet category.
The process of carrying out audio/video communication in order to further describe digital TV terminal 10, sees also Fig. 2, is the structured flowchart of digital TV terminal 10 in Fig. 1.This digital TV terminal 10 comprises remote controller 101, Receiver 102, microprocessor 103, display screen 104, SIP call manager path 10 5, loud speaker 106, the network interface card 108 of audio/video encoding/decoding module 107 and connection digital TV terminal 10 and the Internet.
User utilizes remote controller 101 to send audio/video communication request, and Receiver 102 receives after request, and this signal is sent to microprocessor 103.After microprocessor 103 is decoded to this signal, decoded signal is arrived to network interface card 108 through SIP call manager path 10 5, rely on network interface card 108 to send audio/video communication request to call server 20, so that set up digital TV terminal 10 and the communication of the end 60 of attending a banquet.SIP call manager path 10 5 is according to the passage of the audio/video communication of session initiation protocol (SIP) foundation, and its effect is to generate, the session of revising and terminating between one or more participants.
Network interface card 108 receives attends a banquet after end 60 audio-video signals that send by the Internet, this signal is sent to audio/video encoding/decoding module 107, decode after processing through audio/video encoding/decoding module 107, Voice & Video is passed through respectively to loud speaker 106 and display screen 104, thereby the information of the end 60 of attending a banquet is presented to digital TV terminal 10 users.Digital TV terminal 10 users also can encode the audio-video signal of digital TV terminal by this audio/video encoding/decoding module 107 after, be sent to through network interface card 108 end 60 of attending a banquet.Specifically, this audio/video encoding/decoding module 107 comprises video decoding unit 117, the one RTP receiving element 127, the 2nd RTP receiving element 137, the one RTP transmitting element 147, the two RTP transmitting elements 157, video capture unit 167, audio capture unit 177, video encoding unit 187, audio coding unit 197 and audio decoding unit 1107.Here, RTP receiving element, based on RTP host-host protocol, receives audio-video signal in real time, and RTP transmitting element, based on RTP host-host protocol, sends audio-video signal in real time.
The one RTP receiving element 127 receives in real time the end 60 of attending a banquet and transmits and the video data that comes through network interface card 108, and by this video data transmitting to this video decoding unit 117, video decoding unit 117 shows exporting display screen 104 after this video data decoding to.
The 2nd RTP receives end 60 voice datas that transmit through network interface card 108 of attending a banquet in real time, and this voice data is sent to audio decoding unit 1107, and this audio decoding unit 1107 will be play by loud speaker 106 after this voice data decoding.
167 of this video capture unit carry out the video capture of digital cable customers end, as TV user made a video recording or utilizing video jukebox software to obtain data of video file etc., and the video data transmitting of seizure is delivered to video encoding unit 187 encodes, video data after coding is sent to network interface card 108 through a RTP transmitting element 147, and is sent to by the Internet the end 60 of attending a banquet by network interface card 108.This video capture unit 167 normally make a video recording first-class camera head or video jukebox software.
The sound of these 177 receiving digital television terminals in audio capture unit, is sent to audio coding unit 197 by sound and encodes after processing, by the 2nd RTP transmitting element 157 and this network interface card 108, being sent to the end 60 of attending a banquet through the Internet successively.
By above-mentioned audiovisual frequency in digital TV communication system, the audio-video signal of digital TV terminal is sent to the end of attending a banquet through the Internet, and the audio-video signal of the end of attending a banquet is sent to digital TV terminal through the Internet, Digital Television is utilized cable network and itself display effect and the good advantage of audio frequency effect, realizes high-quality audio/video communication; And Digital Television, without special mounting software, facilitates user to carry out audio/video communication.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. an audiovisual frequency in digital TV communication system, it comprises:
Digital TV terminal, sends audio/video communication request;
Call server, the audio/video communication request that receiving digital television terminal sends, and this request is forwarded;
Transfer server, transfer is carried out in the audio/video communication request that call server is forwarded;
Voice prompt services device, according to the audio/video communication request of transfer server transfer, provides corresponding function menu to this digital TV terminal;
Computer &Telephony Integration Server and the end of attending a banquet; this Computer &Telephony Integration Server is selected digital TV terminal function according to function menu is sent to this end of attending a banquet, and this end of attending a banquet is sent to digital TV terminal by audio-video signal required video communication request through transfer server;
Described digital TV terminal also comprises: microprocessor, the audio/video communication request of digital TV terminal is decoded; SIP call manager passage, is sent to call server by decoded audio/video communication request; Audio/video encoding/decoding module, decodes the audio-video signal of the end of attending a banquet after processing, presents to digital TV terminal; And the audio-video signal of digital TV terminal is encoded after processing, be sent to the end of attending a banquet.
2. audiovisual frequency in digital TV communication system according to claim 1, is characterized in that, digital TV terminal sends video communication request based on Session Initiation Protocol.
3. audiovisual frequency in digital TV communication system according to claim 1, is characterized in that, voice prompt services device turns back to digital TV terminal by transfer server and call server function menu successively based on Session Initiation Protocol.
4. audiovisual frequency in digital TV communication system according to claim 1, is characterized in that, the end group of attending a banquet, in RTP/RTCP agreement, is sent to digital TV terminal by audio-video signal required audio/video communication request through transfer server.
5. audiovisual frequency in digital TV communication system according to claim 1, is characterized in that, the audio/video information of this digital TV terminal is sent to this end of attending a banquet by transfer server.
6. according to the audiovisual frequency in digital TV communication system one of claim 1-5 Suo Shu, it is characterized in that, SIP call manager passage is the audio/video communication passage of setting up according to session initiation protocol, and this passage generates, the session of revising and terminating between one or more participants.
7. according to the audiovisual frequency in digital TV communication system one of claim 1-5 Suo Shu, it is characterized in that, this audio/video encoding/decoding module comprises:
The one RTP receiving element, receives the video data of attending a banquet end transmission and come in real time;
Video decoding unit, the video data decoding that a RTP receiving element is received, is presented to this digital TV terminal;
The 2nd RTP receiving element, receives the voice data that the end of attending a banquet transmits in real time;
Audio decoding unit, the voice data that the 2nd RTP receiving element is received decoding, is presented to this digital TV terminal;
Video capture unit, carries out the video capture of digital cable customers end;
Video encoding unit, the Video coding that video capture unit is caught;
The one RTP transmitting element, the video data transmitting that this video encoding unit is encoded is to the end of attending a banquet;
Audio capture unit, the audio signal of receiving digital television terminal;
Audio coding unit, the coding audio signal processing that audio capture unit is received;
The 2nd RTP transmitting element, is sent to by voice signal after coding the end of attending a banquet.
8. audiovisual frequency in digital TV communication system according to claim 7, it is characterized in that, the one RTP receiving element and the 2nd RTP receiving element are based on RTP host-host protocol, receive in real time audio-video signal, the one RTP transmitting element and the 2nd RTP transmitting element, based on RTP host-host protocol, send audio-video signal in real time.
9. according to the audiovisual frequency in digital TV communication system one of claim 1-5 Suo Shu, it is characterized in that, this digital TV terminal also comprises:
Network interface card, the UNICOM that realizes Digital Television and the Internet, receives the audio-video signal of the Internet, and sends audio-video signal to the Internet;
Remote controller, sends audio/video communication request;
Receiver, receives the audio frequency and video request that remote controller sends, and is sent to microprocessor;
Display screen, shows the vision signal of audio/video encoding/decoding unit decodes; And loud speaker, the audio signal of audio/video encoding/decoding unit decodes is play.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010503421.8A CN102438119B (en) | 2010-09-29 | 2010-09-29 | Audio/video communication system of digital television |
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| CN201010503421.8A CN102438119B (en) | 2010-09-29 | 2010-09-29 | Audio/video communication system of digital television |
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| CN102438119A CN102438119A (en) | 2012-05-02 |
| CN102438119B true CN102438119B (en) | 2014-07-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103024590B (en) * | 2012-12-11 | 2016-05-11 | 四川长虹电器股份有限公司 | The method and system of a kind of intelligent terminal and intelligent television video calling |
| CN103338087A (en) * | 2013-06-27 | 2013-10-02 | 马锡忠 | Automatic talkback sending system for receiving and dispatching train |
| CN103905444B (en) * | 2014-03-31 | 2018-02-23 | 邦彦技术股份有限公司 | Integrated service communication command system |
| CN111478934B (en) * | 2019-07-15 | 2020-12-08 | 广州湖森电子科技有限公司 | Agent content pushing method, agent cooperation control system and device |
| CN113645184B (en) * | 2021-06-21 | 2023-04-18 | 天津津航计算技术研究所 | Air-ground voice communication method and device under satellite link |
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| CN1429024A (en) * | 2001-12-26 | 2003-07-09 | 好利集团有限公司 | Internet protocol interdynamic TV system and its method for implementing it |
| CN101472155A (en) * | 2007-12-24 | 2009-07-01 | 康佳集团股份有限公司 | Household network system for implementing IPTV business and implementing method thereof |
| CN101827251A (en) * | 2010-05-07 | 2010-09-08 | 深圳创维－Rgb电子有限公司 | Method and device for playing network streaming media |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1429024A (en) * | 2001-12-26 | 2003-07-09 | 好利集团有限公司 | Internet protocol interdynamic TV system and its method for implementing it |
| CN101472155A (en) * | 2007-12-24 | 2009-07-01 | 康佳集团股份有限公司 | Household network system for implementing IPTV business and implementing method thereof |
| CN101827251A (en) * | 2010-05-07 | 2010-09-08 | 深圳创维－Rgb电子有限公司 | Method and device for playing network streaming media |
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