The MPEG-4 Audio standard provides audio and speech coding for natural and synthetic content at bit rates ranging from 2 to 64 kbit/s and above. While the first version of MPEG-4 Audio was finalized in 1998, work continues on Version 2, which has been enhanced with the following new tools: Error Resilience, Low-Delay Audio Coding, Small-Step Scalability, Parametric Audio Coding, and Environmental Spatialization.

Author: Purnhagen, Heiko
Affiliation: Laboratorium fur Informationstechnologie, University of Hannover, Hannover, Germany
AES Conference: 17th International Conference: High-Quality Audio Coding (September 1999)
Paper Number: 17-016
Publication Date: September 1, 1999
Subject: High Quality Audio Coding

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