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Video Over IP, 2nd Edition by Wes Simpson

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4VIDEO AND AUDIO COMPRESSION

 

 

When video signals are transported over an IP network, they are most often compressed. In this context, compression means to reduce the number of bits that are required to represent the video image. Video technology users are free to choose whether or not to employ compression for their video signals. However, it is important to understand that the choice of a compression method can sometimes mean the difference between success and failure of a video networking project.

Many communication systems that have become commonplace in the past few years depend on compression technology. For example, digital mobile telephones use compression to increase the number of users who can be served and to increase the battery ...

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