Scalability is the property of a coded signal that part of the coded bit stream can be decoded on its own. The output signal is a lower quality (for example, lower bandwidth) version of the output signal. Scalability is a well-known concept in video coding but has not been discussed much in audio coding. Principal possibilities of scalable audio coding are discussed. First examples of scalable audio coding are presented.

Authors: Brandenbrg, Karlheinz; Gill, Bernard
Affiliation: Fraunhofer Gesellschaft, Institut for Integrated Circuits, Erlangen, Germany
AES Convention: 97 (November 1994) Paper Number: 3924
Publication Date: November 1, 1994
Subject: Audio Encoding

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