ISOIEC 138187_20041015_ed3.pdf

ThisInternationalStandarddescribestheMPEG-2audionon-backwardscompatiblestandardcalledMPEG-2AdvancedAudioCoding,AAC,ahigherqualitymultichannelstandardthanachievablewhilerequiringMPEG-1backwardscompatibility.ThisMPEG-2AACaudiostandardallowsforITU-R‘indistinguishable’qualityaccordingtoatdatarate