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A Fully Vector Quantised Self-Excited Vocoder

Hanzo, L., Salami, R. and Appleby, D. (1989) A Fully Vector Quantised Self-Excited Vocoder At ICASSP'89, United Kingdom. 23 - 26 May 1989. , pp. 124-128.

Record type: Conference or Workshop Item (Paper)

Abstract

A computationally efficient stochastic vector quantisation (VQ) scheme for the quantisation of the LPC parameters with less than 25 bits is proposed. The complexity of the self-excited vocoder (SEV) is reduced by employing fast algorithms based on an efficient representation of the innovation sequence. When deploying the suggested VQ scheme in the improved SEV, good communications speech quality has been resulted at 4.8 Kb/s. When the bit rate is increased to 6.8 Kb/s, near-toll quality speech has been achieved.

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More information

Published date: May 1989
Additional Information: Event Dates: 23-26 May 1989 Organisation: ICASSP Address: Glasgow, UK
Venue - Dates: ICASSP'89, United Kingdom, 1989-05-23 - 1989-05-26
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 257993
URI: http://eprints.soton.ac.uk/id/eprint/257993
PURE UUID: d67d7dd0-37df-4e08-823d-52bcc85c4e78

Catalogue record

Date deposited: 15 Jul 2003
Last modified: 18 Jul 2017 09:35

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Contributors

Author: L. Hanzo
Author: R. Salami
Author: D. Appleby

University divisions

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