ETSI - ETS 300 581-7
Digital Cellular Telecommunications System; Half Rate Speech; Part 7: ANSI-C Code for the GSM Half Rate Speech Codec
| Organization: | ETSI |
| Publication Date: | 1 January 1996 |
| Status: | inactive |
| Page Count: | 19 |
scope:
This European Telecommunication Standard (ETS) part 7 contains an electronic copy of the ANSI-C code for the GSM half rate codec. The ANSI-C code is necessary 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]), Discontinuous Transmission (GSM 06.41 (ETS 300 581-5) [5]) and example solutions for substituting and muting of lost frames (GSM 06.21 (ETS 300 581-3) [3])
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