April 2005
Intermediate to advanced
800 pages
20h 52m
English
Content preview from A Practical Guide to Video and Audio CompressionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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12
The MPEG-4 Part 2 Codec
12.1 MPEG-4
The evolution of the video-compression systems designed by MPEG continues with MPEG-4. Some people assume that MPEG-4 is just another video codec, but it is much more than that. It includes a lot of multimedia capabilities for delivering a variety of audio–visual experiences as well as interactive support.
There are two video-coding standards included in MPEG-4 (part 2 and part 10). Up to the end of 2003, when people referred to MPEG-4 video, they were generally talking about MPEG-4 part 2, which describes the visual content.
Today it is too ambiguous just to say, “I am coding my video in MPEG-4.” You must qualify that by specifying the following:
• Which version (1, 2, 3, 4, or another version)
• Which ...
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