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Speech codec for the European mobile radio system

Authors:

Peter Vary, Karl Hellwig, Rudolf Hofmann, Robert J. Sluyter, C. Galand, and M. Rosso

Book Title:

Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)

Volume:

1

Venue:

New York, NY, USA

Organization:

IEEE

Date:

Apr. 1988

Pages:

227–230

Language:

English

Abstract

In 1991 a digital mobile radio system will be introduced in Europe. The speech codec to be used as the standard is presented. The coding scheme which has been selected by the CEPT Groupe-Speciale-Mobile (GSM) as a result of formal subjective listening tests, is based on the regular-pulse excitation LPC technique (RPE-LPC) combined with long-term prediction (LTP). The so-called RPE-LTP codec has a net bit rate of 13 kbit/s. The algorithm and the experimental implementations based on different VLSI signal processors are described and demonstrated.

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