An analysis/synthesis audio codec (ASAC) is presented, which allows the coding of audio signals at very low-bit rates for applications, such as mobile communication or multimedia database access via modem and analog telephone lines. Compression with bit rates between 6 kbit/s and 24 kbit/s is addressed. Furthermore, the implementation of special effects, such as independent pitch change and speed change in the decoder, are described.
Edler, B.; Purnhagen, H.; Ferekidis, C.
Affiliation: University of Hannover, Hannover, Germany
AES Convention: 100 (May 1996) Paper Number: 4179
Publication Date: May 1, 1996
Subject: Perceptual Coding
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