高清网络视频直播系统(HD network video live broadcast system)
高清网络视频直播系统(HD network video live broadcast system)
HD network video live broadcast system
I. system introduction
Blue Beauty video HD network video broadcast system (BroadVision WebTv) support H.264 codec, support, multi screen video broadcast network through the original unified flow slicing time shift, broadcast live back to look at other applications, to support users to watch live via PC, mobile phone, tablet computer, TV and other terminal.
The support system of large scale and high quality of network audio and video broadcast applications, a single machine can able to support more than 2000 concurrent streams (500K), support unlimited user extended use, widely used in network television, broadcast live, remote education, enterprise roadshow and public information service applications such as multimedia.
Two, system architecture
Blue America video HD network video live system supports video camera, satellite TV, cable TV, digital TV and other real-time signal collection, collection, coding, storage and distribution. The system adopts the B/S architecture, and does not need to download the special client program to support the perfect remote WEB management and realize the whole unattended broadcast management.
Three 、 system application
[] live recording meetings / events: the system for government agencies and large enterprises, universities and other units to organize large-scale meetings / activities to provide flexible video editing program, and through the network to the central server, realize the important meetings and events in internal network live recording.
[training]: the internal network system to support the relevant training documents, pictures, video gathering, editing and creating theme free channels, through the network broadcast application support of government agencies, large enterprises to implement internal training of cadres, civil service training and professional training.
[online learning exchange]: the system supports the teaching, video, text, pictures and other multimedia content of the unified collection, management and sharing, students through online live broadcast can be real-time online learning, interactive communication.
[HD television network broadcast recording]: support system for satellite television, cable television and other multi-channel TV channels live recording, can be realized in the enterprise, government, universities and other units within the network provide live TV recording applications.
Four, system function
1 、 collection, coding and management
The system supports the camera signal, the satellite signals, television signals, audio broadcast real-time signal acquisition, through the H.264 encoding MP4, WMV, FLV generation, TS standard video stream can be set according to the needs of different custom stream size, resolution, frame rate, window size and other configuration parameters.
2, regularly included storage
According to the broadcast form and the customized storage schedule, the timing, storage and publication of the audio and video programs can be completed, and the management of 7 * 24 hours automatic unattended operation can be supported.
3 、 network virtual live broadcast
The system supports the creation of multiple network virtual scrolling live channels by flexible combination of existing program material, such as combining each news program into a network news channel by arranging the time broadcast table.
4, multi screen live back to see
TV and radio stations to broadcast time column shows the relatively fixed automatic recording, storage and release, in the form of EPG UI has formed the broadcast user review, select the corresponding date or week, you can through the PC, mobile phone, PAD and other terminal broadcast broadcast programs before review.
5, multi screen live time shift
When the user is watching the live broadcast, the player can drag the button directly through the player to select the rollback, and watch the broadcast program before the time of departure, and will not miss the content that will continue to be played later. The control range of the moving time can be controlled according to the actual situation.
6, live channel, EPG management
The system supports the creation of multiple channel groups, each channel group creating multiple channels at the same time, each channel configured with different streams, encoding, push and pull, ports and protocols. Each channel also supports a variety of signal source arrangement, including input signal, remote database, flow media video files; support for each broadcast channel broadcast, according to the time period of the customized program storage plan, the formation of the broadcast form.
Five, the system advantages
1, multi model features live broadcast applications
System to support live video, video recording, broadcast live, virtual looking back, live time-lapse mode will be a variety of applications such as satellite programs, TV shows, live video and audio and video resources to collect internal encoding, unified management and publishing application of multimedia content.
2 、 adaptive management of multiple streams
The system has multi stream and terminal adaptive function, for the same audio and video program source, 4K-128K, 128K-256k, - 300K, 500K, 1M, 2M and so on different streams, users watch the live broadcast, the system will be based on the terminal characteristics of different users and the actual network bandwidth can automatically select suitable user bandwidth and bit stream format video playback, video and audio broadcast to ensure the fluency and clarity of the good.
3, multi terminal application support
Unified streaming video service technology system to use the blue beauty video of the original H.264 format can be IP streaming video or streaming media files into unified protocol, suitable for different needs of different terminals of different applications and different format video stream flow, in order to effectively support the same video stream or program source PC, mobile phone, tablet in need Internet TV, set-top boxes, different types of adaptive broadcast terminal.
4, multi network environment support
The system supports the Internet, satellite network, network and wireless network (WIFI/3G) and other IP network conditions to realize the acquisition, encoding, storage and release of video resources, supports a wide range of multistage deployment, support the massive user application extension.
5, features player
The system use the blue beauty video features player, support FLV\WMV\MP4\RMVB\TS video streaming format; support full screen, pause, stop, drag, sound regulation, switch lamp operation, you can set the playback ratio of 4:3 or 16:9, support for the adjustment of color saturation and brightness; support the automatic identification of terminal operating system and type to fit the terminal video format different broadcast request response.