CN100464582C - Method and system for receiving and watching programs in living broadcast through TV system of conference - Google Patents
Method and system for receiving and watching programs in living broadcast through TV system of conference Download PDFInfo
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- CN100464582C CN100464582C CNB2006100602514A CN200610060251A CN100464582C CN 100464582 C CN100464582 C CN 100464582C CN B2006100602514 A CNB2006100602514 A CN B2006100602514A CN 200610060251 A CN200610060251 A CN 200610060251A CN 100464582 C CN100464582 C CN 100464582C
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Abstract
The method comprises: a) after receiving the program signals, the encoder encodes the received program signals; b) the conference scheduling system broadcasts the bit-stream of the coded TV program outputted from the encoder to the conference through a multi control unit (MCU); c) the terminal device dials the conference number and accesses the conference to watch program.
Description
Technical field
The present invention relates to the audio frequency and video technical field, specifically, relate to by TV conference system and watch the programme televised live technology.
Background technology
Current people have the entertainment service that multiple mode obtains audio frequency and video, as player broadcast, network program request, live telecast etc.Live telecast is the most traditional audio-video frequency content presentation mode, and existing longer development time is mainly realized by wireless and cable TV network.The development of broadband network technology makes and utilizes broadband network to provide more audio frequency and video and data, services to become possibility to the user, the mode of network program request is also along with the development of broadband network is risen, main by the realization of rtsp (rtsp:real time streamingprotocol real-time streaming protocol), mms real-time audio and video host-host protocols such as (microsoft media server Microsoft Media Server agreements), also be mainly used in the PC terminal at present.
Video conferencing is one of multimedia audio-video service of present existing comparative maturity, and the major function of current TV conference system is the conference service that the strange land is provided for the user, lessly is used to look the audio entertain mem aspect.
Present TV conference system mainly is made of following assemblies: multipoint control unit (MCUMultiPoint Control Unit), gatekeeper (GK GateKeeper), conference dispatching system, terminal equipment.Typically the structure chart of TV conference system composition is as shown in Figure 1:
Pass through TV conference system and hold a meeting usually through following flow process:
1), terminal and MCU are registered in same GK and go up (also can be on different GK, but must intercommunication between the GK).
2), conference dispatching system defines a meeting, the terminal and the employed MCU of setting adding meeting.
3), conference dispatching system is dispatched the good meeting of predefined, MCU calling relevant terminal adding meeting.
4), terminal is with after MCU is connected, and receives the video/audio code stream of MCU transmission, the decoding back produces image and acoustic information by display and loud speaker.
When not having meeting to hold, existing video conferencing equipment is in idle state, and the equipment cost of video conference is higher, and this has wasted user's investment to a certain extent; In addition, not all user who has video conference terminal can become the caller of meeting, and these users can only go to use the function of TV conference system passively when having meeting to hold, concerning these users, TV conference system is higher by idle degree.
Summary of the invention
The object of the present invention is to provide a kind of by TV conference system watch programme televised live method and system thereof, utilize existing TV conference system that the problem of programme televised live is provided to the terminal use with solution.
For achieving the above object, the present invention adopts following technical scheme: a kind of method of watching programme televised live by TV conference system, and described method comprises following step:
A, encoding device are encoded after receiving the programme televised live signal;
A meeting-place of the established quantity anonymous site that b, conference dispatching system have the program of described encoding device output as meeting is passed through multipoint control unit MCU and is broadcasted to meeting;
C, terminal equipment are dialled and are made conference number access meeting watch program.
Wherein also comprise before the step a:
The conference dispatching system conference setup also is added to the meeting-place of institute's conference setup with the program of encoding device output, and definition simultaneously inserts the conference number of meeting;
Wherein step a specifically comprises:
The program source device receives the programme televised live signal, and described programme signal is imported described encoding device in real time, and encoding device is encoded into described programme signal the IP bag of realtime transmission protocol RTP form.
Wherein step c specifically comprises:
C1, conference terminal are dialled and are conference number, gatekeeper GK inquires about the conferencing information of this number correspondence to conference dispatching system after receiving described conference terminal request, conference dispatching system returns the number that the MCU that holds a meeting registers and gives GK on GK, GK resolves to the IP address to number and returns to terminal, and conference terminal and MCU connect;
C2, MCU transmit described program stream to described conference terminal.
Wherein step c2 specifically comprises:
MCU and conference terminal are consulted transmittability, are determined to transmit described program stream to it after the transmission rate, and conference terminal produces image and acoustic information with described program stream decoding back by display and loud speaker.
Wherein step c specifically comprises:
Behind the incidence relation of c1, Web server setting conference number and programme televised live program is issued with Web web page interlinkage formula, conference terminal is to Web server request the rendition list, obtaining returning the program chaining of selecting to want to watch behind the rendition list clicks, gatekeeper GK inquires about the conferencing information of this number correspondence to conference dispatching system after receiving described conference terminal request, conference dispatching system returns the number that the MCU that holds a meeting registers and gives GK on GK, GK resolves to the IP address to number and returns to terminal, and conference terminal and MCU connect;
C2, MCU transmit described program stream to described conference terminal.
The present invention also provides a kind of system of watching programme televised live by conference telephone system, and described system comprises:
Gatekeeper GK is used for the conference number that the meeting terminal is dialed is parsed corresponding MCU address and it is fed back to conference terminal;
MCU is used for the program stream of received code equipment output and it is sent to conference terminal;
Conference dispatching system is used for defining and has the meeting that can establish the quantity anonymous site, and the program of encoding device output is added to a meeting-place of institute's conference setup, sets up the incidence relation of MCU and conference number;
Encoding device is used for the programme televised live signal of program receiving source apparatus input and it is encoded into IP bag output of RTP form;
The program source device is used for receiving the programme televised live signal, and with the real-time input coding equipment of the signal that receives.
The present invention overcomes the deficiencies in the prior art, increase programme televised live source and encoding device provide technical solution of the present invention required programme televised live source on the basis of existing TV conference system, by MCU with the program of program source to whole meeting broadcast, terminal equipment passes through to dial and makes meeting number insert meeting to watch program, realization provides the channel live program in the mode of dialing to the terminal use, makes the user can utilize TV conference system to watch programme televised live in the mode of dialing.Concerning the video conferencing user, can more make full use of existing TV conference system resource, simultaneously, the user who has video conference terminal can more initiatively be convenient to use the equipment of oneself, enjoys a lot of video entertainment services.
Description of drawings
Fig. 1 is the system diagram of existing video conferencing;
Fig. 2 is the system diagram of technical solution of the present invention;
Fig. 3 watches the flow chart of programme televised live for the terminal click to dial;
Fig. 4 watches the programme televised live flow chart for the user by the Web server clickthrough.
The specific embodiment mode
The present invention is described in detail below in conjunction with specific embodiments and the drawings.
Basic principle of the present invention is to utilize in the TV conference system equipment such as original GK, MCU, conference dispatching system and terminal and increase the programme televised live source and encoding device provides technical solution of the present invention required programme televised live source, by MCU with the program of program source to whole meeting broadcast, terminal equipment passes through to dial and makes meeting number insert meeting to watch program, realize providing the channel live program in the mode of dialing to the terminal use.
The system group network of technical solution of the present invention as shown in Figure 2, wherein the function of each assembly is as follows:
GK (gateway system E1): GK mainly is responsible for the parsing of network number.When terminal was dialed conference number, GK received the request of terminal, and the address that meeting number is resolved to MCU (multipoint control unit E2) returns to terminal, and terminal connects MCU and watches meeting just at live video-audio program;
MCU:MCU is responsible for sending video/audio signal to terminal, can carry out capability negotiation with terminal when transmission, selects appropriate transmission rate.When programme televised live is watched in a terminal desire adding meeting, call out the conference number (this number is by conference dispatching system E4 definition) of this program correspondence earlier, number is resolved by GK (E1) and is returned the MCU address to terminal, terminal then connects MCU by the address of returning, determine traffic rate, receive the video/audio signal that MCU transmits;
Programme televised live source (E3): the programme televised live signal is responsible for receiving in the programme televised live source, and reception is obtained the real-time input coding equipment of programme signal, and encoding device is encoded into programme signal the IP bag of RTP (RTP) form;
Conference dispatching system (E4): conference dispatching system is responsible for the definition and the scheduling of meeting.At first need to define a meeting, meeting has the anonymous site of some (can set), and the program stream that encoding device (E6) is exported is passed through MCU as a meeting-place broadcast to meeting.If programme channel, each programme channel (corresponding meeting) has the meeting number of an access.
Terminal (E5): when meeting was held, terminal can insert the meeting-place by the mode of call-conference number, watched the programme televised live of meeting broadcasting.
Encoding device (E6): the input in encoding device program receiving source is encoded into the IP bag of RTP form as output with programme signal; This equipment is broadcasted to the meeting of holding by MCU as program source.
In the said equipment, GK, MCU, conference dispatching system and terminal constitute a TV conference system devices needed on IP network, and these equipment belong to the existing equipment in the TV conference system.Program source that increases newly and encoding device provide technical solution of the present invention required programme televised live source.
The flow process that the terminal click to dial is watched the channel live program is as shown in Figure 3:
Step 1, MCU are registered on the GK;
Step 2, conference dispatching system (E4) at first define a meeting, and program source (being made up of jointly equipment E3 and E6) is added to the meeting-place; When conference setup, conference dispatching system can be conference number that inserts meeting of each meeting definition, and terminal equipment can pass through to dial and makes conference number access meeting watch program.Meeting number is stored on the conference dispatching system with the related information of meeting;
Step 3, when program source provides multiple programs, need a plurality of meetings of definition, each meeting is added a programs as the meeting-place;
Step 4, conference dispatching system dispatching MCU are held a meeting, and MCU broadcasts the program of program source to whole meeting.
Step 5, conference terminal are dialed conference number, GK (E1) receives this number, it is resolved to return to terminal (incidence relation of meeting number and MCU address is set when the conference dispatching system E4 conference setup, and GK need inquire about the MCU of this meeting to conference dispatching system (E4)) after the address information of MCU;
Step 6, conference terminal connect MCU after receiving this address;
The video frequency program that step 7, MCU (E2) will broadcast sends to terminal.
In order to provide more friendly to the user and programming access mode easily, can allow the user select to watch with program is distributed on the Web server.The flow process of issuing the channel live program to the terminal use by the Web form web page is as shown in Figure 5:
At first MCU and conference terminal are registered to GK, by Web server issue program (the related meeting of each programme televised live), set conference number.Web server is issued program with Web web page interlinkage formula, terminal is if watch programme televised live, can be to Web server request the rendition list, behind the rendition list that obtains returning, the channel link that the user selects to want to watch is clicked, the corresponding conference number of terminal call, GK (E1) resolves this number (in resolving, GK need inquire about the MCU number of holding a meeting to conference dispatching system E4), the address of MCU (E2) is returned to terminal, terminal connects MCU, and MCU is to the audio/video program of terminal transmission program source, and terminal is watched program.
In order to realize visiting the function of Web service, conference terminal must have the browser of supporting the http agreement, and supports the mode call number by clickable hyperlinks.
Claims (7)
1. a method of watching programme televised live by conference telephone system is characterized in that, described method comprises following step:
A, encoding device are encoded after receiving the programme televised live signal;
A meeting-place of the established quantity anonymous site that b, conference dispatching system have the program of described encoding device output as meeting is passed through multipoint control unit MCU and is broadcasted to meeting;
C, terminal equipment are dialled and are made conference number access meeting watch program.
2. method according to claim 1 is characterized in that, wherein also comprises before the step a:
The conference dispatching system conference setup also is added to the meeting-place of institute's conference setup with the program of encoding device output, and definition simultaneously inserts the conference number of meeting.
3. method according to claim 1 is characterized in that, wherein step a specifically comprises:
The program source device receives the programme televised live signal, and described programme signal is imported described encoding device in real time, and encoding device is encoded into described programme signal the IP bag of realtime transmission protocol RTP form.
4. method according to claim 1 is characterized in that, wherein step c specifically comprises:
C1, conference terminal are dialled and are conference number, gatekeeper GK inquires about the conferencing information of this number correspondence to conference dispatching system after receiving described conference terminal request, conference dispatching system returns the number that the MCU that holds a meeting registers and gives GK on GK, GK resolves to the IP address to number and returns to terminal, and conference terminal and MCU connect;
C2, MCU transmit described program stream to described conference terminal.
5. method according to claim 4 is characterized in that, wherein step c2 specifically comprises:
MCU and conference terminal are consulted transmittability, are determined to transmit described program stream to it after the transmission rate, and conference terminal produces image and acoustic information with described program stream decoding back by display and loud speaker.
6. method according to claim 1 is characterized in that, wherein step c specifically comprises:
Behind the incidence relation of c1, Web server setting conference number and programme televised live program is issued with Web web page interlinkage formula, conference terminal is to Web server request the rendition list, obtaining returning the program chaining of selecting to want to watch behind the rendition list clicks, gatekeeper GK inquires about the conferencing information of this number correspondence to conference dispatching system after receiving described conference terminal request, conference dispatching system returns the number that the MCU that holds a meeting registers and gives GK on GK, GK resolves to the IP address to number and returns to terminal, and conference terminal and MCU connect;
C2, MCU transmit described program stream to described conference terminal.
7. a system of watching programme televised live by conference telephone system is characterized in that, described system comprises:
Gatekeeper GK is used for the conference number that the meeting terminal is dialed is parsed corresponding MCU address and it is fed back to conference terminal;
MCU is used for the program stream of received code equipment output and it is sent to conference terminal;
Conference dispatching system is used for defining and has the meeting that can establish the quantity anonymous site, and the program of encoding device output is added to a meeting-place of institute's conference setup, sets up the incidence relation of MCU and conference number;
Encoding device is used for the programme televised live signal of program receiving source apparatus input and it is encoded into IP bag output of RTP form;
The program source device is used for receiving the programme televised live signal, and with the real-time input coding equipment of the signal that receives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100602514A CN100464582C (en) | 2006-04-11 | 2006-04-11 | Method and system for receiving and watching programs in living broadcast through TV system of conference |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100602514A CN100464582C (en) | 2006-04-11 | 2006-04-11 | Method and system for receiving and watching programs in living broadcast through TV system of conference |
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| CN1874484A CN1874484A (en) | 2006-12-06 |
| CN100464582C true CN100464582C (en) | 2009-02-25 |
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| CNB2006100602514A Expired - Fee Related CN100464582C (en) | 2006-04-11 | 2006-04-11 | Method and system for receiving and watching programs in living broadcast through TV system of conference |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103686055B (en) | 2012-09-24 | 2017-05-10 | 中兴通讯股份有限公司 | Processing method and device for packet loss compensation in television conference system |
| CN105141971B (en) * | 2015-09-16 | 2018-08-28 | 深圳市前海智媒网络科技有限公司 | A kind of dialogue-based initializtion protocol realizes the method and system of live streaming |
| CN111464774B (en) * | 2020-03-30 | 2022-03-29 | 南京高达软件有限公司 | Method and device for live broadcasting or on-demand broadcasting of video conference |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1427211A1 (en) * | 2001-06-25 | 2004-06-09 | Nova Co., Ltd. | Multimedia information communication service system, user terminal program, and recording medium |
| CN1964470A (en) * | 2005-11-10 | 2007-05-16 | 中国电信股份有限公司 | A video on demand/live broadcast system and method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1427211A1 (en) * | 2001-06-25 | 2004-06-09 | Nova Co., Ltd. | Multimedia information communication service system, user terminal program, and recording medium |
| CN1964470A (en) * | 2005-11-10 | 2007-05-16 | 中国电信股份有限公司 | A video on demand/live broadcast system and method |
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