Survey: Audio

Format	Compression	Annotations
AAC		Advanced Audio Coding
AC-3		Dolby AC-3 multichannel audio for surround sound
ADPCM		Adaptive Difference Pulse Code Modulation
DPCM		Difference Pulse Code Modulation
MP3	subband coding, modified discrete cosine transform	strictly speaking: MPEG-1 Audio Layer III [] MPEG-Audio
MPEG-1	subband coding, modified discrete cosine transform	Motion Picture Expert Group [] MPEG-Audio
MPEG-2	subband coding, modified discrete cosine transform	multichannel audio for surround sound
MPEG-4
		Real Audio
		Apple QuickTime

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