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Overview of MPEG-Audio. Current and future standards of low bit-rate audio coding

: Brandenburg, K.; Bosi, M.
: Audio Engineering Society -AES-

New York, NY: AES, 1995
Preprint - Audio Engineering Society, 4130
Audio Engineering Society (Convention) <99, 1995, New York/NY>
Fraunhofer IIS A ( IIS) ()
audio coding; data compression; data reduction; Datenkompression; Datenreduktion; gehörangepaßte Codierung; intensity stereo coding; joint stereo coding; Layer-3; MPEG-Standard; NBC; non backwards compatibel; perceptual coding; psychoacoustic; Psychoakustik; Toncodierung

Since 1988 MPEG has been working on the standardization of high quality low bit-rate audio coding. In 1992 and 1994 the MPEG-1 and MPEG-2 audio standards have been completed. Current work in MPEG includes the so called "non backwards compatible" (NBC) coding of stereo or multichannel sound material and the audio part of MPEG-4. Common features as well as differences between MPEG-1 and MPEG-2 audio, other current audio coding systems currently in use, and the planned work for MPEG NBC and MPEG-4 audio will be presented.