This is Half rate speech(GSM 06.20)

source_C
........\CODEC.DSK
........\CODEC.EXE
........\CODEC.PRJ
........\DTX.OBJ
........\DTX_BAK.htm
........\DTX_C.htm
........\DTX_H.htm
........\ERR_CONC.OBJ
........\ERR_CONC_BAK.htm
........\ERR_CONC_C.htm
........\ERR_CONC_H.htm
........\GLOBDEFS.OBJ
........\GLOBDEFS_C.htm
........\GSM_HR.DSK
........\GSM_HR.OBJ
........\GSM_HR.PRJ
........\GSM_HR.SYM
........\GSM_HR_BAK.htm
........\GSM_HR_C.htm
........\GSM_HR_H.htm
........\GSM_HR_RSP.htm
........\HOMING.OBJ
........\HOMING_C.htm
........\HOMING_H.htm
........\HOST.OBJ
........\HOST_BAK.htm
........\HOST_C.htm
........\HOST_H.htm
........\MATHDP31.OBJ
........\MATHDP31_BAK.htm
........\MATHDP31_C.htm
........\MATHDP31_H.htm
........\MATHHALF.OBJ
........\MATHHALF_BAK.htm
........\MATHHALF_C.htm
........\MATHHALF_H.htm
........\Read.txt
........\ReadMe.txt
........\REID.OBJ
........\REID_BAK.htm
........\REID_C.htm
........\REID_H.htm
........\SP_DEC.OBJ
........\SP_DEC_BAK.htm
........\SP_DEC_C.htm
........\SP_DEC_H.htm
........\SP_ENC.OBJ
........\SP_ENC_BAK.htm
........\SP_ENC_C.htm
........\SP_ENC_H.htm
........\SP_FRM.OBJ
........\SP_FRM_BAK.htm
........\SP_FRM_C.htm
........\SP_FRM_H.htm
........\SP_ROM.OBJ
........\SP_ROM_BAK.htm
........\SP_ROM_C.htm
........\SP_ROM_H.htm
........\SP_SFRM.OBJ
........\SP_SFRM_BAK.htm
........\SP_SFRM_C.htm
........\SP_SFRM_H.htm
........\SWAPBIN.EXE
........\SWAPBIN.OBJ
........\SWAPBIN_C.htm
........\TMP.DEC
........\TMP.INP
........\TMP.OUT
........\TMPS.COD
........\TYPEDEFS_H.htm
........\UTILS_C.htm
........\VAD.OBJ
........\VAD_BAK.htm
........\VAD_C.htm
........\VAD_H.htm
test_sequence
.............\SEQ01.COD
.............\SEQ01.DEC
.............\SEQ01.INP
.............\SEQ01.OUT
.............\SEQ02.COD
.............\SEQ02.DEC
.............\SEQ02.INP
.............\SEQ02.OUT
.............\SEQ03.COD
.............\SEQ03.DEC
.............\SEQ03.INP
.............\SEQ03.OUT
.............\SEQ04.DEC
.............\SEQ04.OUT
.............\SEQ05.DEC
.............\SEQ05.INP

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