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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MPEG-4 Profiles and Levels
G.1 MPEG-4 Complexity
MPEG-4 is far more complex than earlier video codecs. Indeed, the video coding is expressed only in Parts 2 and 10 of the standard, and these describe two completely separate codecs. First, let’s summarize the component parts in MPEG-4. After that, we will examine the profiles and levels defined for MPEG-4 Part 2. These are many and complex. The H.264 standards group defines a rather smaller set and hence the MPEG-4 Part 10 coding is also simpler. Those will be described separately from MPEG-4 Part 2.
Profiles are intended to define a set of tools that are available, and levels define the range of appropriate values for the properties associated with them.
G.2 MPEG-4 Parts 1 to 21 with Amendments ...
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