The Moving Picture Experts Group

FAQ

Standard: MPEG-4
Part	Question
Systems	What is the MPEG-4 FlexMux?
Systems	What is the MPEG-4 model of an audio-visual object?
Systems	What is the MPEG-4 TransMux?
Systems	What should I use timing information for?MPEG-4
Systems	What's the MPEG-4 Initial Object Descriptor (IOD)?
Video	Where do the needs for MPEG-4 Visual come from? What are the targeted applications?
Systems	Which layers are passed, before MPEG-4 objects are composed?
Systems	Which MPEG-4 Systems profiles are distinguished?
Scene Description and Application Engine	Why BIFS?
Systems	Why is scene description information separate from audio-visual objects

Standard: MPEG-2
Part	Question
Advanced Audio Coding	What kind of support does MPEG provide for implementers of MPEG Audio?
Conformance testing	What kind of support does MPEG provide for implementers of MPEG Audio?
Audio	When should I use AAC rather than MPEG-2 BC?
Advanced Audio Coding	When should I use AAC rather than MPEG-2 BC?
Advanced Audio Coding	Why should I use MPEG-2 AAC rather than Dolby AC-3?

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