8Video encoding


Encoding is the conversion of a video signal into a streaming media file. The video signal first must be compressed, then packetized, and finally encapsulated within a streaming wrapper. This chapter covers the encoding stage from a video signal to the point where the streaming file is transferred to the streaming server.

The encoding takes place in several stages. The first stage is to capture a conventional video or television signal and convert it to a file format that can be processed by computer software. The second stage is data rate reduction by scaling and compression to a bit rate that can be delivered over dial-up or broadband circuits. The third stage is to wrap the compressed video in a pack-etized format ...

Get The Technology of Video and Audio Streaming, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.