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The encoder receives the video data from the camera and transcodes it before sending it to the streaming server (often over the internet) using one of the several streaming protocols. The streaming server will then transmit the encoded video to your viewers via the internet, usually with a little delay of no more than 7 to 20 seconds from what is actually happening.

MPEG4: What is it? MPEG4 was created to support video playback across a number of different systems. It is compatible with HD TVs, PDAs, mobile phones, and desktops.,56008687.html

Despite the fact that there are numerous distinct video formats available online, all streaming - whether it be live, on demand, or progressive download - uses the same coding algorithms developed for MPEG2, the predecessor to MPEG4.

The video stream and the audio stream are sent through separate "data channels" that make up MPEG4. It is not specified how many data channels there are. Typically, we have a video transport channel for streaming video, up to 8 channels for audio, typically MP3 or AAC (Advance Audio Codec), a channel for subtitles, and a data channel for sending and receiving information to and from the streaming server.