CN1874484A - Method and system for receiving and watching programs in living broadcast through TV system of conference - Google Patents

Abstract

Translated fromChinese

本发明公开了一种通过会议电话系统收看直播节目的方法及其系统，所述的方法包括如下的步骤：a.编码设备接收节目信号后进行编码；b.会议调度系统将所述编码设备输出的节目码流作为一个会场通过多点控制单元MCU向会议进行广播；c.终端设备拨叫会议号码接入会议观看节目。本发明克服现有技术的不足，通过对现有会议电视功能的扩展，使得用户可以利用会议电视系统以拨号的方式观看直播节目。对会议电视用户来说，可以更充分利用已有的会议电视系统资源，同时，拥有终端的用户可以更主动方便的使用自己的设备，享受很多的视频娱乐服务。

The invention discloses a method and system for watching a live program through a conference telephone system. The method includes the following steps: a. encoding equipment receives program signals and encodes them; b. the conference scheduling system outputs the encoding equipment The program code stream is used as a venue to broadcast to the conference through the multi-point control unit MCU; c. The terminal device dials the conference number to access the conference to watch the program. The invention overcomes the disadvantages of the prior art, and enables users to watch live programs by means of a dial-up through the expansion of the existing video conference function. For conference TV users, existing video conference system resources can be more fully utilized. At the same time, users with terminals can use their own equipment more actively and conveniently, and enjoy many video entertainment services.

Description

A kind of method and system thereof of watching programme televised live by TV conference system

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;

B, conference dispatching system as a meeting-place, pass through the program of described encoding device output multipoint control unit MCU and broadcast 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 conference setup 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)

Translated fromChinese

1、一种通过会议电话系统收看直播节目的方法，其特征在于，所述的方法包括如下的步骤：1. A method for watching live programs through a conference telephone system, characterized in that the method comprises the following steps:a、编码设备接收直播节目信号后进行编码；a. The coding equipment performs coding after receiving the live program signal;b、会议调度系统将所述编码设备输出的节目作为一个会场，通过多点控制单元MCU向会议进行广播；b. The conference scheduling system uses the program output by the encoding device as a venue, and broadcasts to the conference through the multi-point control unit MCU;c、终端设备拨叫会议号码接入会议观看节目。c. The terminal device dials the conference number to access the conference and watch the program.2、根据权利要求1所述的方法，其特征在于，其中步骤a之前还包括：2. The method according to claim 1, wherein before step a, further comprising:会议调度系统定义会议并将编码设备输出的节目添加为所定义会议的会场，同时定义接入会议的会议号码；The conference scheduling system defines the conference and adds the program output by the encoding device as the site of the defined conference, and defines the conference number for accessing the conference;3、根据权利要求1所述的方法，其特征在于，其中步骤a具体包括：3. The method according to claim 1, wherein step a specifically comprises:节目源装置接收直播节目信号，并将所述的节目信号实时输入所述的编码设备，编码设备将所述的节目信号编码成实时传输协议RTP格式的IP包。The program source device receives the live program signal, and inputs the program signal into the encoding device in real time, and the encoding device encodes the program signal into an IP packet in RTP format.4、根据权利要求1所述的方法，其特征在于，其中步骤c具体包括：4. The method according to claim 1, wherein step c specifically comprises:c1、会议终端拨叫会议号码，网守GK接收所述会议终端请求后向会议调度系统查询该号码对应的会议信息，会议调度系统返回召开会议的MCU在GK上注册的号码给GK，GK把号码解析为IP地址返回给终端，会议终端与MCU建立连接；c1. The conference terminal dials the conference number. After receiving the request from the conference terminal, the gatekeeper GK queries the conference dispatching system for the conference information corresponding to the number. The conference dispatching system returns the number registered on the GK by the MCU holding the conference to the GK, and the GK sends the The number is resolved into an IP address and returned to the terminal, and the conference terminal establishes a connection with the MCU;c2、MCU向所述的会议终端传送所述的节目码流。c2. The MCU transmits the program code stream to the conference terminal.5、根据权利要求4所述的方法，其特征在于，其中步骤C2具体包括：5. The method according to claim 4, wherein step C2 specifically comprises:MCU与会议终端协商传输能力、确定传输速率后向其传送所述的节目码流，会议终端将所述的节目码流解码后通过显示器和扬声器产生图像和声音信息。The MCU negotiates with the conference terminal on the transmission capability, determines the transmission rate, and then transmits the program code stream to it. The conference terminal decodes the program code stream and generates image and sound information through the display and the speaker.6、根据权利要求1所述的方法，其特征在于，其中步骤c具体包括：6. The method according to claim 1, wherein step c specifically comprises:c1、Web服务器设定会议号码与直播节目的关联关系后将节目以Web网页链接式进行发布，会议终端向Web服务器请求节目列表，得到返回节目列表后选择想要观看的节目链接点击，网守GK接收所述会议终端请求后向会议调度系统查询该号码对应的会议信息，会议调度系统返回召开会议的MCU在GK上注册的号码给GK，GK把号码解析为IP地址返回给终端，会议终端与MCU建立连接；c1. After setting the relationship between the conference number and the live program, the Web server publishes the program as a web page link. The conference terminal requests the program list from the Web server, and after getting the returned program list, select the program link you want to watch and click, the gatekeeper After receiving the conference terminal request, GK inquires the meeting information corresponding to the number from the conference dispatching system, and the conference dispatching system returns the number registered on the GK by the MCU holding the conference to GK, and the GK resolves the number into an IP address and returns it to the terminal, and the conference terminal Establish a connection with the MCU;c2、MCU向所述的会议终端传送所述的节目码流。c2. The MCU transmits the program code stream to the conference terminal.7、一种通过会议电话系统收看直播节目的系统，其特征在于，所述的系统包括：7. A system for watching live programs through a conference telephone system, characterized in that the system includes:网守GK，用来将会议终端拨打的会议号码解析出对应的MCU地址并将其反馈给会议终端；The gatekeeper GK is used to resolve the conference number dialed by the conference terminal to obtain the corresponding MCU address and feed it back to the conference terminal;MCU，用来接收编码设备输出的节目码流并将其向会议终端发送；MCU, used to receive the program code stream output by the encoding device and send it to the conference terminal;会议调度系统，用来定义会议并将编码设备输出的节目添加为所定义会议的一个会场，建立MCU与会议号码的关联关系；The conference scheduling system is used to define the conference and add the program output by the encoding device as a venue of the defined conference, and establish the association relationship between the MCU and the conference number;编码设备，用来接收节目源装置输入的直播节目信号并将其编码成RTP格式的IP包输出；Encoding equipment, used to receive the live program signal input by the program source device and encode it into an IP packet in RTP format for output;节目源装置，用来接收直播节目信号，并将接收到的信号实时输入编码设备。The program source device is used to receive the live program signal, and input the received signal into the encoding device in real time.