Codecs
En Codec konverterar en analog signal till en digital för överföring i ett datanätverk. Följande Codecs används idag:
En Codec konverterar en analog signal till en digital för överföring i ett datanätverk. Följande Codecs används idag:
GSM – 13 Kbps (full last), 20ms frame storlek
iLBC – 15Kbps,20ms frame size: 13.3 Kbps, 30ms frame storlek
ITU G.711 – 64 Kbps, sample-baserat. Kallas även alaw/ulaw
ITU G.722 – 48/56/64 Kbps
ITU G.723.1 – 5.3/6.3 Kbps, 30ms frame storlek
ITU G.726 – 16/24/32/40 Kbps
ITU G.728 – 16 Kbps
ITU G.729 – 8 Kbps, 10ms frame storlek
Speex – 2.15 to 44.2 Kbps
LPC10 – 2.5 Kbps
DoD CELP – 4.8 Kbps
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