This European Telecommunication Standard (ETS) part 8 specifies the digital test sequences for the GSM half rate speech codec. These sequences test for a bit exact implementation of the half rate speech transcoder (GSM 06.20 (ETS 300 581-2) [2]), Voice Activity Detection (GSM 06.42 (ETS 300 581-6) [6]), comfort noise (GSM 06.22 (ETS 300 581-4) [4]) and the discontinuous transmission (GSM 06.41 (ETS 300 581-5) [5]).
IN_DEVELOPMENT
prSSH ETS 300 581-8:1996 ed.1
40.20
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Feb 9, 2026
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