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Voice Coder
, ??????
Vocoder
(??????) ??????? "
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??????? ????? ?? ?????? ??
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, ?? ????? ?? ????? ?????? ?-64,000 ????? (64Kbps). ??????? ????? ?-Vocoder ????
?????
?? ????? ?????? ?????? ?????? ?????. ?????? ???, ???? ?????? ?? ????? ?? ????? ????? ?? ?????, ??????? ?????? ???????? ????? ???? ????? ?????? ??????
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.
????, ?????? ??-Vocoder ???? ???
????? ????? ??????
. ????? ?? ??????? ????? ?????? ????? ???????? ???? ??????? ???? ????? ?????? ????:
- ????? ?? ??? (??? ?????? ???? ?????)
- ???? ???, ?????? ??? ??????? ?????? ????? ????? ?????
- ?????? ?????? ?????? ??????? ???? ?????? ??? ????? ????
?????, ???? ??????? ?????? ???? ??????, ????? ???? ???? ??? - ??? ????????? ?? ?????? ?? ???? ??????, ??? ?????? ?????? ????? ?? ????????? ?????????? ????????? ???? ????.
?? ?-Vocoders ?????? ?????? ??? ????? ??????? ?? ???????? ????? ?? ?????? ??? ??????.
- ?????
- CELP
- HILN
- Speex
- ????? ?????
- G.723
- G.729
- AMR - Adaptive Multi Rate
- AMR-WB - AMR Wide Band
- AMR-WB+
- EVS - Enhanced Voice Services
- HR - Half-Rate
- EFR - Enhanced Full Rate
