Most of the high-quality encoding systems do not take into account any delay constraint. This constraint prevents some efficient techniques for audio bit-rate reduction, such as long filterbanks, filterbanks having high-frequency resolution, long frames to reduce side information, or the bit reservoir method. However, a low overall delay is necessary when a feedback control is required.

Author: Mainard, Laurent
Affiliation: Centre Commun D'etudes de Telediffusion et Celecommunication, Cesson Sevigne, France
AES Convention: 100 (May 1996) Paper Number: 4199
Publication Date: May 1, 1996
Subject: Perceptual Coding

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