Enterprise-level Video Conferencing System Xiangjie Five Hot Technology - Video Conferencing, Video

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Enterprise-level Video Conferencing System Xiangjie Five Hot Technology - Video Conferencing, Video

Unified communications to today, technology is no longer limited to hot voice, the video at the 2008 Beijing Olympic Games, led the whole market will be one of the strongest pulse. According to market consulting firm WinterGreenResearch

forecast, unified communications market development cycle is about to enter the healthy growth and rapid application stage. 2008, the market may achieve 15% growth in 2009 will grow by 30%. The video in the enterprise deployment of unified communications will be blamed as the dark horse.

Traditional enterprise video technologies include: MCU, H.323, Frame Relay, etc., but based on IP bearer network for video applications, more features will push to the front of the user. But to successfully use these features, users need to focus on some new technology to give more attention.

An LPR: a stable video stream
Unified communications to enterprise video applications, and voice, data synchronization in the IP bearer network, the form of video-packet transmission, which inevitably will encounter packet loss problem. Packet loss will cause the video image mosaic; image local deformation, the screen refresh or flicker frequency; video and audio are not synchronized; frame rate drop and the image still other issues. In the unified communications environment, as video, voice and data streams are transmitted simultaneously, thus packet loss will result in overall audio distortion, interruption or intermittent noise, and the decline in the quality of content presentation, such as the fuzzy distortion of the slide or flip rate slows down. If you want to find out more info about xxx hot videos - https://www.skynlondontantricmassage.com/massages/ look into our web site. These issues will greatly influence the application of the user experience. If the network packet loss rate is too large or too frequent, will also cause excessive delay video communications, and even cause traffic disruption.

Packet loss is network congestion by the internal or external network traffic priority conflict causes. To avoid packet loss, we must first identify the bearer network packet loss rate, packet loss distribution over time, as well as video calls in various terminals and devices.

LPR (loss recovery) video transmission technology is to solve the problem of losing the current most effective methods, the technology is based on Polycom has developed a new algorithm, its purpose is to protect IP video calls from the network packet loss effects. In fact, LPR uses forward error correction is a (FEC) method on the packet loss mechanism for the implementation of coverage. Issued by the sender system's data stream xxx porn videos - https://www.skynlondontantricmassage.com/massages/ to add redundant data, so that the receiver system can detect and correct errors without having to request the sender resend the missing information systems. This need not wait for the network transmission will have a capacity for error correction, FEC is very suitable for making real-time communication, such as television Broadcasting , IP phones and IP video conferencing.

LPR works through the video terminal monitor all incoming calls in progress packet loss information. Once packet loss is detected, the terminal will use three methods to ensure call quality: packet loss recovery (LPR), dynamic bandwidth allocation (DBA), as well as in the case do not support LPR, the traditional video error concealment ( PVEC) technology.

Unlike most error concealment or avoidance algorithm involved only way to receive packet loss information systems, LPR will be involved at all levels of the video call system, part of the call by the interim will be the bandwidth allocated to a data channel to use to send the FEC data to the receiving system to play a role. Packet loss in network transmission occurs when a loop through the handle, LPR will increase or decrease the size of FEC data channels until you find the data channel must be allocated to the FEC's minimum bandwidth, allowing the receiving system can recover all lost packets .

When the size of FEC data channels over the standard value, the system will repeatedly test whether reducing the size of FEC data channel, so as to audio, video and content to provide more usable data bandwidth of the call. Because LPR is only when it detects packet loss will take up bandwidth, this feature makes the LPR is ideal for random packet loss or sudden environment.

Packet loss rate against a relatively fixed network environment, dynamic bandwidth allocation

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