CN102438119A - Audio/video communication system of digital television - Google Patents

Audio/video communication system of digital television Download PDF

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Publication number
CN102438119A
CN102438119A CN2010105034218A CN201010503421A CN102438119A CN 102438119 A CN102438119 A CN 102438119A CN 2010105034218 A CN2010105034218 A CN 2010105034218A CN 201010503421 A CN201010503421 A CN 201010503421A CN 102438119 A CN102438119 A CN 102438119A
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CN
China
Prior art keywords
audio
video
digital
terminal
frequency
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CN2010105034218A
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Chinese (zh)
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CN102438119B (en
Inventor
赵敏
王洪
陈悦仪
丘钟鸣
杨祥瑞
Original Assignee
深圳Tcl教育科技有限责任公司
Tcl集团股份有限公司
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Priority to CN201010503421.8A priority Critical patent/CN102438119B/en
Publication of CN102438119A publication Critical patent/CN102438119A/en
Application granted granted Critical
Publication of CN102438119B publication Critical patent/CN102438119B/en

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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

A kind of audio frequency and video communication system of DTV
Technical field
The invention belongs to digital television techniques, relate in particular to a kind of audio frequency and video communication system of DTV.
Background technology
At present; The mode that can realize the audio frequency and video communication mainly contains 3G mobile, and PC instant video bitcom etc. rely on wireless network but 3G mobile carries out the audio frequency and video communication; The signal of wireless network can't reach the such high-quality of signal of cable network; And the 3G mobile image resolution ratio is lower, and tonequality is also poor, can't satisfy the audio frequency and video communication of high-quality requirement; The PC MSN then is carrier with the computer; When using the PC MSN, at first MSN need be installed on computers, then register account number or the corresponding login of purchase card number; Could use after logining at last; The operation sequence more complicated is not suitable for general family, and child and old man use in the particularly general family.
Existing DTV generally only is used for the wired broadcasting broadcast with Web TV of televising, and not relating to the DTV is the audio frequency and video communication of client.If use the cable network of existing DTV, utilize high-resolution large-screen of DTV and stereo set preferably, then can realize high-quality communication; DTV need not special install software, directly can carry out the audio frequency and video communication, also can greatly facilitate household's use.
In view of this, be necessary to provide a kind of audio frequency and video communication system based on DTV.
Summary of the invention
The object of the present invention is to provide a kind of audio frequency and video communication system of DTV, be intended to solve existing audio frequency and video communication modes inconvenience and the relatively 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 the audio frequency and video communication request; The audio frequency and video communication request that send at call server receiving digital television terminal, and should ask to transmit; Transfer server carries out transfer to the audio frequency and video communication request that call server is transmitted; The voice prompt services device provides the function corresponding menu to this digital TV terminal according to the audio frequency and video communication request of transfer server transfer; This Computer &Telephony Integration Server is selected digital TV terminal according to function menu function is sent to this end of attending a banquet, and this end audio-video signal that the video communication request is required of attending a banquet is sent to digital TV terminal through transfer server.
In this audiovisual frequency in digital TV communication system, digital TV terminal sends the video communication request based on Session Initiation Protocol; The voice prompt services device turns back to digital TV terminal to function menu through transfer server and call server successively based on Session Initiation Protocol; Attend a banquet end group in the RTP/RTCP agreement, and the audio-video signal that the audio frequency and video communication request is required 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 through transfer server.
This digital TV terminal comprises microprocessor, SIP call manager passage and audio/video encoding/decoding module.Microprocessor is decoded to the audio frequency and video communication request of digital TV terminal; SIP call manager passage is sent to call server with decoded audio frequency and video communication request; The audio/video encoding/decoding module will be attended a banquet after the audio-video signal of end carries out decoding processing, present to digital TV terminal, and after the audio-video signal of digital TV terminal carried out encoding process, be sent to the end of attending a banquet.
In this digital TV terminal, SIP call manager passage is the audio frequency and video communication channel of setting up according to session initiation protocol, and this passage generates, the session between one or more participants revised and terminate.
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 the end transmission and coming in real time; Video decoding unit is presented to this digital TV terminal with the video data decoding that a RTP receiving element receives; The 2nd RTP receiving element receives the voice data of the end transmission of attending a banquet in real time; Audio decoding unit is presented to this digital TV terminal with the voice data decoding that the 2nd RTP receiving element receives; The video capture unit carries out the video capture of digital cable customers end; The video coding that video encoding unit is caught the video capture unit; The one RTP transmitting element with the video Data Transmission of this video encoding unit coding to the end of attending a banquet; The audio signal at receiving digital television terminal, audio capture unit; Audio coding unit is handled the coding audio signal that the audio capture unit receives; Voice signal was sent to the end of attending a banquet after the 2nd RTP transmitting element will be encoded.
In this audio/video encoding/decoding module, a RTP receiving element and the 2nd RTP receiving element receive audio-video signal in real time based on the RTP host-host protocol, and a RTP transmitting element and the 2nd RTP transmitting element send audio-video signal in real time based on the RTP host-host protocol.
In addition, this digital TV terminal also comprises network interface card, and remote controller receives head, display screen and loud speaker.Network interface card is realized the UNICOM of DTV and the Internet, receives the audio-video signal of the Internet, and sends audio-video signal to the Internet; Remote controller sends the audio frequency and video communication request; Receive the audio frequency and video request that a reception remote controller sends, and be 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.
Through 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 frequency and video communication; And digital TV terminal need not special install software, makes things convenient for the user to carry out the audio frequency and video communication.
Description of 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 among Fig. 1.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Seeing also 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 frequency and video communication request, digital TV terminal 10 is sent to call server 20 based on Session Initiation Protocol with this request; The request that send at 20 responsible receiving digital televisions of call server terminal 10, and this request is sent to transfer server 30, like IP PBX transfer server 30; Transfer server 30 is responsible for the audio frequency and video communication request is carried out transfer; This request is forwarded to voice prompt services device 40; Like IVR voice prompt services device 40,40 of voice prompt services devices provide the function corresponding menu according to the audio frequency and video communication request, and this menu provides with speech form; Voice prompt services device 40 turns back to digital TV terminal 10 to function menu through transfer server 30 and call server 20 successively based on Session Initiation Protocol, supplies the user to select required function.After the user selected a certain function items according to function menu, voice prompt services device 40 notice Computer &Telephony Integration Server 50 were assigned to the end 60 of attending a banquet accordingly to corresponding request.
Attend a banquet end 60 based on the RTP/RTCP agreement, and the audio-video signal that the audio frequency and video communication request is required is sent to transfer server 30, and transfer server 30 plays the transfer effect, and audio-video signal is forwarded 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, to corporate users, for example carry out " the Yoga class " of Yoga study through network, the end 10 of attending a banquet can be sent to many digital TV terminals with audio and video resources simultaneously through this transfer server 30, the one-to-many teaching that realizes attending a banquet and hold.
Camera head that these digital TV terminal 10 utilizations itself are provided with and microphone etc. obtain the audio/video information of digital TV terminal 10; And this audio/video information is sent to transfer server 30; 30 audio/video informations with digital TV terminal 10 of transfer server are forwarded to the end 60 of attending a banquet, and realize digital TV terminal 10 and the audio frequency and video communication of the end 60 of attending a banquet.
In the audio frequency and video communication system of this DTV, digital TV terminal 10 belongs to the category of local area network (LAN); Attend a banquet and hold 60, Computer &Telephony Integration Server 50 also belongs to the local area network (LAN) category with voice prompt services device 40, and is positioned at same local area network (LAN); Call server 20 belongs to the Internet category with 30 of transfer servers.
For the process that further explain digital TV terminal 10 carries out the audio frequency and video communication, please consult Fig. 2 in the lump, be the structured flowchart of digital TV terminal 10 among Fig. 1.This digital TV terminal 10 comprises remote controller 101, receives 102, microprocessor 103, display screen 104, SIP call manager path 10 5, loud speaker 106, audio/video encoding/decoding module 107 and the network interface card 108 that connects digital TV terminal 10 and the Internet.
The user utilizes remote controller 101 to send the audio frequency and video communication request, after the reception 102 reception request, this signal is sent to microprocessor 103.After 103 pairs of these signals of microprocessor are decoded; Decoded signal is arrived network interface card 108 through SIP call manager path 10 5; Rely on network interface card 108 to send the audio frequency and video communication request, so that set up digital TV terminal 10 and the communication of the end 60 of attending a banquet to call server 20.SIP call manager path 10 5 is passages of the audio frequency and video communication of setting up according to session initiation protocol (SIP), and its effect is to generate, the session between one or more participants revised and terminate.
After network interface card 108 receives the audio-video signal of end 60 through the Internet transmission of attending a banquet; This signal is sent to audio/video encoding/decoding module 107; After audio/video encoding/decoding module 107 is carried out decoding processing; Voice & Video is passed through loud speaker 106 and display screen 104 respectively, thereby the information of the end 60 of will 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 through this audio/video encoding/decoding module 107 after, be sent to the end 60 of attending a banquet through network interface card 108.Specifically, this audio/video encoding/decoding module 107 comprises video decoding unit 117, the one RTP receiving elements 127; The 2nd RTP receiving element 137, the one RTP transmitting elements 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, the RTP receiving element receives audio-video signal in real time based on the RTP host-host protocol, and the RTP transmitting element sends audio-video signal in real time based on the RTP host-host protocol.
The one RTP receiving element 127 receives the video data that the end 60 of attending a banquet comes through network interface card 108 transmission in real time, and with this video Data Transmission to this video decoding unit 117, and video decoding unit 117 exports display screen 104 to after with this video data decoding and shows.
The 2nd RTP receives the voice data that the end 60 of attending a banquet transmits through network interface card 108 in real time, and this voice data is sent to audio decoding unit 1107, and this audio decoding unit 1107 is play this voice data decoding back through loud speaker 106.
167 video captures that carry out the digital cable customers end in this video capture unit; As TV user being made a video recording or utilizing video jukebox software to obtain data of video file etc.; And the video data of catching is sent to video encoding unit 187 encodes; Video data behind the coding is sent to network interface card 108 through a RTP transmitting element 147, and is sent to the end 60 of attending a banquet by network interface card 108 through the Internet.This video capture unit 167 normally make a video recording first-class camera head or video jukebox software.
The sound at these 177 receiving digital television terminals, audio capture unit is sent to sound after audio coding unit 197 carries out encoding process, successively by the 2nd RTP transmitting element 157 and this network interface card 108, is sent to the end 60 of attending a banquet through the Internet.
Through 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; DTV utilizes cable network and itself display effect and the good advantage of audio frequency effect, realizes high-quality audio frequency and video communication; And DTV need not special install software, makes things convenient for the user to carry out the audio frequency and video communication.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. audiovisual frequency in digital TV communication system, it comprises:
Digital TV terminal sends the audio frequency and video communication request;
Call server, the audio frequency and video communication request that send at the receiving digital television terminal, and should ask to transmit;
Transfer server carries out transfer to the audio frequency and video communication request that call server is transmitted;
The voice prompt services device according to the audio frequency and video communication request of transfer server transfer, provides the function corresponding menu to this digital TV terminal;
The Computer &Telephony Integration Server and the end of attending a banquet; This Computer &Telephony Integration Server is selected digital TV terminal according to function menu function is sent to this end of attending a banquet, and this end audio-video signal that the video communication request is required of attending a banquet is sent to digital TV terminal through transfer server.
2. audiovisual frequency in digital TV communication system according to claim 1 is characterized in that, digital TV terminal sends the video communication request based on Session Initiation Protocol.
3. audiovisual frequency in digital TV communication system according to claim 1 is characterized in that the voice prompt services device turns back to digital TV terminal to function menu through transfer server and call server 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 is in the RTP/RTCP agreement, and the audio-video signal that the audio frequency and video communication request is required is sent to digital TV terminal 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 through transfer server.
6. audiovisual frequency in digital TV communication system according to claim 1 is characterized in that, this digital TV terminal comprises:
Microprocessor is decoded to the audio frequency and video communication request of digital TV terminal;
SIP call manager passage is sent to call server with decoded audio frequency and video communication request;
The audio/video encoding/decoding module after the audio-video signal of holding attending a banquet carries out decoding processing, is presented to digital TV terminal; And after the audio-video signal of digital TV terminal carried out encoding process, be sent to the end of attending a banquet.
7. audiovisual frequency in digital TV communication system according to claim 6 is characterized in that, SIP call manager passage is the audio frequency and video communication channel of setting up according to session initiation protocol, and this passage generates, the session between one or more participants revised and terminate.
8. audiovisual frequency in digital TV communication system according to claim 6 is characterized in that, this audio/video encoding/decoding module comprises:
The one RTP receiving element receives the video data of attending a banquet the end transmission and coming in real time;
Video decoding unit, the video data decoding with a RTP receiving element receives 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 decoding with the 2nd RTP receiving element receives is presented to this digital TV terminal;
The video capture unit carries out the video capture of digital cable customers end;
Video encoding unit is to the video coding of video capture unit seizure;
The one RTP transmitting element, with the video Data Transmission of this video encoding unit coding to the end of attending a banquet;
The audio capture unit, the audio signal at receiving digital television terminal;
Audio coding unit is handled the coding audio signal that the audio capture unit receives;
The 2nd RTP transmitting element, the back voice signal of will encoding is sent to the end of attending a banquet.
9. audiovisual frequency in digital TV communication system according to claim 8; It is characterized in that; The one RTP receiving element and the 2nd RTP receiving element are based on the RTP host-host protocol; Receive audio-video signal in real time, a RTP transmitting element and the 2nd RTP transmitting element send audio-video signal in real time based on the RTP host-host protocol.
10. audiovisual frequency in digital TV communication system according to claim 6 is characterized in that, this digital TV terminal also comprises:
Network interface card, the UNICOM that realizes DTV and the Internet, the audio-video signal of reception the Internet, and to the Internet transmission audio-video signal;
Remote controller sends the audio frequency and video communication request;
Receive head, receive the audio frequency and video request that remote controller sends, and be sent to microprocessor;
Display screen shows the vision signal of audio/video encoding/decoding unit decodes; And
Loud speaker is play the audio signal of audio/video encoding/decoding unit decodes.
CN201010503421.8A 2010-09-29 2010-09-29 Audio/video communication system of digital television CN102438119B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103024590A (en) * 2012-12-11 2013-04-03 四川长虹电器股份有限公司 Method and system for video call between smart terminal and smart TV (television)
CN103338087A (en) * 2013-06-27 2013-10-02 马锡忠 Automatic talkback sending system for receiving and dispatching train
CN103905444A (en) * 2014-03-31 2014-07-02 深圳市邦彦信息技术有限公司 Integrated service communication command system
CN111478934A (en) * 2019-07-15 2020-07-31 广州湖森电子科技有限公司 Agent content pushing method, agent cooperation control system and device

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103024590A (en) * 2012-12-11 2013-04-03 四川长虹电器股份有限公司 Method and system for video call between smart terminal and smart TV (television)
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
CN103905444A (en) * 2014-03-31 2014-07-02 深圳市邦彦信息技术有限公司 Integrated service communication command system
CN103905444B (en) * 2014-03-31 2018-02-23 邦彦技术股份有限公司 A kind of integrated services communication command system
CN111478934A (en) * 2019-07-15 2020-07-31 广州湖森电子科技有限公司 Agent content pushing method, agent cooperation control system and device

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