Caleb wrote:
Speaking of audio quality, does anybody know why Skype's audio quality
is better than that of Asterisk to most users? I have been trying to
figure that out but dont seem to get what may be left out, even on
GSM. Am I looking the wrong direction to begin with?
Skype uses wideband voice. This means you can do things like tell an "f"
from an "s", which you cannot do on a normal telephone line. The whole
voice sound is much more "hi-fi". The codec they use is the wideband
version of iLBC. Although narrowband iLBC is free to use, wideband iLBC
is not.
Regards,
Steve
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