The standardization body ISO/IEC/JTC1/ SC2/WG11 (Moving Pictures Expert Group, MPEG) is drafting a standard for compressing the high bit-rate of moving pictures and associated audio up to 1.5 Mbit/s. This paper describes the audio part of the proposed standard. Three layers of the audio coding scheme with increasing complexity and performance were defined. These layers were developed in collaboration mainly with AT&T, CCITT, FhG/University of Erlangen, Philips, IRT, and Thomson Consumer Electronics. The generic coding system is suitable for different applications, such as storage on inexpensive storage media or transmission over channels with limited capacity (e.g. Digital Audio Broadcasting or ISDN audio transmission).
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