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Wideband Speech Coding with 1-2 Bit per Sample

Author:

Jürgen Paulus

Book Title:

Proceedings of International Conference on Digital Signal Processing (DSP)

Venue:

Limassol, Cypres, Greece

Event Date:

0.-0.6.1995

Organization:

n.n.

Date:

June 1995

Pages:

66–72

Note:

Special Session "Speech Processing"

Language:

English

Abstract

This paper gives an overview of recent wideband speech (50 Hz-7000 Hz) coding activities. After a short description of the CCITT G.722 standard (48..64 kbit/s) current efforts to reduce the bitrate down to 16 kbit/s are presented. Finally a promising split-band coding scheme is described which is based on sub-bands with unequal bandwidths.

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