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SSH ETS 300 724:1997 ed.1

Digital cellular telecommunications system; ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.53)

Sep 11, 2025

General information

60.60     Sep 11, 2025

DPS

DPS/KT 10

European Norm

33.020  

English  

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Scope

This European Telecommunication Standard (ETS) contains an electronic copy of the ANSI-C code for the GSM Enhanced Full Rate codec. The ANSI-C code is necessary for a bit exact implementation of the Enhanced Full Rate speech transcoder (GSM 06.60 (ETS 300 726) [3]), Voice Activity Detection (GSM 06.82 (ETS 300 730) [7]), comfort noise (GSM 06.62 (ETS 300 728) [5]), Discontinuous Transmission (GSM 06.81 (ETS 300 729) [6]) and example solutions for substituting and muting of lost frames (GSM 06.61 (ETS 300 727) [4]).

Life cycle

NOW

PUBLISHED
SSH ETS 300 724:1997 ed.1
60.60 Standard published
Sep 11, 2025

Related project

Adopted from ETS 300 724 (GSM 06.53 version 5.1.2): March 1997