Low delay coding of wideband audio (20Hz-15kHz) at 64kbps

Jbira A. , Nicolas Moreau , Przemysław Dymarski


A 64 kbps coder of wideband (15 kHz) monophonic audio signals is described. Its structure is based on the transform coded excitation scheme, adopted to 7 kHz band signals. Significant modifications are proposed, that yield reduction of delay while keeping an almost transparent quality of speech and music, equivalent to that provided by the MPEG-1, layer II audio standard at the same bit rate. Algorithmic delay has been reduced to 17 ms-approximately 1/3 the delay of the MPEG coder.
Author Jbira A.
Jbira A.,,
, Nicolas Moreau - [GET - Télécom Paris - Département TSI]
Nicolas Moreau,,
- GET - Télécom Paris - Département TSI
, Przemysław Dymarski IT
Przemysław Dymarski,,
- The Institute of Telecommunications
Pages3645 - 3648
Book Atlas Les, Hwang Mei-Yuh, Acero Alex (eds.): Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, vol. 6, 1998, IEEE, ISBN 0-7803-4428-6, [ 0-7803-4429-4, 0-7803-4430-8, 0-7803-4431-6], 3820 p.
Languageen angielski
1989 Dymarski LOW DEILAY CODING OF WIDEBAND AUDIO (20 HZ - 15 KHZ) AT 64 KBPS.pdf 395.72 KB
Score (nominal)0
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