CN102170471A

Movatterモバイル変換

Info

Publication number: CN102170471A
Application number: CN2011100933518A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-14
Filing date: 2011-04-14
Publication date: 2011-08-31

Abstract

The invention discloses a real-time audio and video signal transmission method and system replacing satellite network and aims at providing media organizations and journalists with a real-time audio and video signal transmission method with low cost, convenience and flexible transmission mode. The method employs a mode of cloud computing and deploys service nodes in multiple areas of the internet in a distributed manner, thereby enabling the journalists to generate data packets in accord with IP protocol after collecting and coding signal sources on the spot through portable handheld terminals and transmit through the internet to a cloud computing service system, which transmits the received data packet directly to a corresponding media organization in real time and is simultaneously capable of recording and storing the signals and performing other post-processing programs of the signals.

Description

A kind of method and system of real-time audio and video signal transmission of instead of satellites network

Technical field

The present invention relates to the audio frequency and video communication technical field, particularly a kind of method and system of real-time audio and video signal transmission of instead of satellites network.

Technical background

Along with the development of present the Internet and medium, the user more and more wishes to watch the programme content at real-time scene quickly and easily, and news agency wishes that also the reporter can pass on-the-spot real-time audio and video signal at any time back.

Traditional on-the-spot broadcasting, at first need to make up between the site of the accident and the news agency satellite transmits special line of a special use, in addition, also need many conditions such as live vehicle, the Input/Output Device of on-the-spot many audio-video signals and a large amount of staff to form.And wherein the expensive price of the rates of satellite special line and relay devices allows many news agencies can only dispose these live broadcast systems limitedly, and can't all dispose such equipment and system for each reporter, this has reduced the promptness of news report and the disposal ability of reporter's solution of emergent event to a great extent.

Summary of the invention

In view of this, the invention provides a kind of method and system of real-time audio and video signal transmission of instead of satellites network, purpose is to provide a kind of low cost, portable, the transmission means transmission method of real-time audio and video signal flexibly for media organization and reporter.

This inventive method adopts the pattern of cloud computing, the service node distributed earth is deployed in a plurality of zones of the Internet, wherein each zone can be made of one or more node, and each node can be made up of multiple servers as required, and disposes the corresponding network bandwidth.This cloud computing service system possesses powerful computing ability, the bandwidth of abundance and endless memory space, only need the reporter with the real-Time Signal Transfer at scene to this system, system can be according to the position at legman place, automatically the audio-video signal of uploading is routed to the service node that distance field is nearest or the bandwidth connection is the most unobstructed, service node is again with the signal source real time down that the receives media organization to appointment, and these mechanisms just can edit etc. the signal source that obtains and handle the back and externally broadcast.

Signal source is transmitted by the Internet based on the IP agreement all the time, the reporter only needs the scene to be carried out generate the packet that meets the IP agreement after the work such as collection, coding of signal source by a portable handheld terminal, by internet transmission to the cloud computing service system, this system is by terminal equipment and the binding mechanism of specifying media organization, accurately the packet that obtains is forwarded to this media organization by optimized path, finishes the transmission work in on-site signal source.

This kind transmission means neither needs media organization to make up expensive satellite special line, do not need the support of many main equipments in the site of the accident yet, the scene only needs people of reporter just can finish and needs to rely on huge team before, just can finish the live work of live video as multidigit technical staff's such as reporter, shooting, instructor in broadcasting, editor common cooperation.The transmission means of signal source also no longer needs special satellite circuit support, any one network environment that the scene of can using possesses is transmitted, this method invention makes the transmission means in on-site signal source more extensive, also greatly reduces the acquisition cost of net cast environment simultaneously.

This invention can realize collection, the transmission work of the signal source in any time, any place under the environment of arbitrary network coverage.Terminal equipment becomes data packet form based on the IP agreement with the signal source encapsulation process of gathering, and transmits by the Internet, and transmission link can be various 3G or 4G mobile network, also cable network or wireless network environments such as WiFi, WiMAX.The transmission means of the multilink parallel model that packet can be supported by terminal equipment has been expanded the uplink bandwidth, improves the stability in the signal transport process and the output quality of vision signal.

In addition, this invention makes the realization of system architecture simpler, the maintenance in system's later stage, the management also more convenient.Improved the extensibility of system service,, also laid a good foundation for the business demand expansion in media organization future based on endless memory space that system supported of cloud computing pattern and bandwidth access capability flexibly.Media organization need not be concerned about fully how the system transmissions of back realizes, and the reporter can momentarily carry a portable equipment and in any one corner in the world on-the-spot signal passed back.Simultaneously, many advanced persons, leading technical characterstic come robustness, the high reliability of assurance service that system provides in system's introducing cloud computing pattern, as: measures such as the many copies of data are fault-tolerant, the computing node isomorphism is interchangeable come the service quality of safeguards system.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part.

Fig. 1 is the transmission course of live signal among the present invention.

Embodiment

Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.

Embodiment

Fig. 1 is the transmission course of live signal among the present invention.

As shown in Figure 1, may further comprise the steps:

The huge server cluster that this cloud computing service system is made up of multiple servers can provide powerful computing ability, the bandwidth of abundance and endless memory space.Corresponding service can be rented according to any zone of demand in the Internet scope of own service by media organization.

Server in this platform can be the server of physics or virtual server, and this system's support conducts interviews based on the communication mode of IP agreement.

Each acquisition terminal all possesses the uniqueness that privately owned, a unique special identifier is distinguished this terminal equipment.The cloud computing service system realizes each terminal and the corresponding relation of specifying media organization by safeguarding each acquisition terminal and the binding relationship of specifying media organization.

In the site of the accident, the acquisition terminal that the reporter carries is by generating the packet that meets the IP agreement, can transmit by the Internet to processing such as the collection of on-the-spot audio-video signal, coding back.Wherein, comprise the affiliated terminal unique identification that has carried out after the special encryption in each packet, packet can, transfer to cloud computing service system of continuous real-time by arbitrary network transmission link of acquisition terminal support.

The cloud computing service system receives the real-time field data bag that the multilink passage is uploaded by the Internet, with the work such as parsing that the back-end server cluster carries out packet, processing that are distributed to of a plurality of packet load balancing.Back-end server is resolved the unique identification of the affiliated terminal of each packet and the type of this packet, the appointment media organization that had registered before the coupling in native system.The cloud computing service system is according to legman's position, automatically the audio-video signal of uploading is routed to the service node that distance field is nearest or the bandwidth connection is the most unobstructed, service node to specifying media organization, has so far been finished the transmission work of on-site signal with the packet real time down that receives.

The advantage of this kind treatment mechanism is that this cloud computing service system is by self superpower disposal ability, search for, analyze the nearest node of target media organization and the optimal path of signal transmission accurately, the on-site signal source is issued to this media organization accurately, solution causes the problems such as delay of live signal in network transmission process because of the congested of the network bandwidth, guarantee that media organization can obtain on-site signal in real time, and needn't be concerned about fully how whole system operates, concentrate on the field that they are good at like this.

The present invention it should be apparent to those skilled in the art that in not departing from the spirit and principles in the present invention scope, the present invention can also do various modifications and changes, and the present invention covers all modifications of the present invention and change within the scope of the appended claims.

Claims

1. the method and system of the real-time audio and video signal of instead of satellites network transmission is characterized in that described method comprises:

Described inventive method is applicable to real-time live all kinds of TV, the news media mechanism of carrying out, described method adopts the pattern of cloud computing, the service node distributed earth is deployed in a plurality of zones of the Internet, wherein each zone can be made of one or more node, each node can be made up of multiple servers as required, and disposes the corresponding network bandwidth.

2. method according to claim 1 is characterized in that, the reporter carries out the scene by a portable handheld terminal generating the packet that meets the IP agreement after the work such as collection, coding of signal source, by internet transmission to the cloud computing service system.

3. method according to claim 2 is characterized in that, the communication mode of described cloud computing service system and described handheld terminal transmits for the Internet based on the IP agreement;

Wherein, described terminal equipment is supported the transmission means of multilink parallel model, and transmission link can be various 3G or 4G mobile network, also cable network or wireless network environments such as WiFi, WiMAX.

4. method according to claim 2 is characterized in that, described cloud computing service system realizes each terminal and the corresponding relation of specifying media organization by to the management of terminal equipment with the binding mechanism of specifying media organization.

5. according to claim 2 or 4 described methods, it is characterized in that, described cloud computing service system can be according to the position at legman place, automatically the audio-video signal of uploading is routed to distance field recently or bandwidth connect the most unobstructed service node, service node is again with the signal source real time down that the receives media organization to appointment.