ETSI - EN 301 244
Ditgital Cellular Telecommunications System (Phase 2); ANSI-C Code for the GSM Enhanced Full Rate (EFR) Speech Codec
| Organization: | ETSI |
| Publication Date: | 1 August 1997 |
| Status: | inactive |
| Page Count: | 14 |
scope:
This EN 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 (EN 301 245) [3]), Voice Activity Detection (GSM 06.82 (EN 301 249) [7]), comfort noise (GSM 06.62 (EN 301 247) [5]), Discontinuous Transmission (GSM 06.81 (EN 301 248) [6]) and example solutions for substituting and muting of lost frames (GSM 06.61 (EN 301 246) [4]).
Document History