Streaming media and the key technology is streaming. Streaming definition is very broad, and now refers primarily to the network transmission media (such as video, audio) is the general term for technology. The specific meaning of TV programs through the Internet will be sent to the PC. Achieve streaming in two ways: real-time streaming (Realtime Streaming) and the order stream (progressive Streaming). In general, such as real-time video broadcasting, using the streaming media server, or real-time applications such as RTSP protocol, namely, real-time streaming. If using the HTTP server, file streaming through the order. Of course, streaming files are also supported fully downloaded to your hard drive before playing.
Streaming implementation requires the cache. Because the Internet for packet transmission as the basis for intermittent asynchronous transmission, on a real-time A / V source or storage of A / V file, the transfer of them to be broken down into many packages, because the network is dynamic, select all packages routing may be different, so the time delay to reach the client also varies, even starting the packet may also post to. To do this, use the cache system to compensate for the impact of latency and jitter and ensure the correct order of packets, so that media data to a continuous output, and not because of network congestion to play to a standstill for the time being.
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