Understanding MPEG 4

Index

3GPP (3^d Generation Partner Project), 19, 128

A

Adams, Scott, 57

AAC (advanced audio coding), 98, 120, 186

AC-3; see Dolby Digital

ATSC (Advanced Television Systems Committee), 184

ANSI (American Standards Committee), 9

ARTS profile, 177

Apple’s QuickTime file format, 85

ATSC (Advanced Television Systems Committee) standard, 47

Audio

codecs, 62

compact discs, 47

formats and uncompressed bit rates, 139

resolutions and bit rates, 138–139

structured, 99

subjective tests, 49

Audio-visual data

better compression for, 60

numerology of digital, 135–139

what actually is compression for, 139–151

lossless, 140–141

lossy, 141–145

main building blocks of, 144

rate control for, 150

schematic representation of the concept of, 142