Digital Cellular Telecommunications System (Phase 2+); Half Rate Speech; Test Sequences for the GSM Half Rate Speech Codec (GSM 06.07 Version 6.0.1 Release 1997)
The present document 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 [2])@ Voice Activity Detector (GSM 06.42 [6])@ comfort noise (GSM 06.22 [4]) and the discontinuous transmission (GSM 06.41 [5]).