[Freeswitch-users] Optimum sound file format
nik.middleton at noblesolutions.co.uk
Thu Apr 16 15:04:48 PDT 2009
I'm looking for the optimum audio format when using streamfile in a lua
I've found CPU load increases rapidly with the number of threads playing
a .wav file. Can anyone tell me the optimum when using g711a?
Right now the the .wav files are
Audio format: PCM
Sample rate : 8 kHz
Sample Size: 16 bit
Bit rate :128kbps
Will it help CPU load if I resample to a bit rate of 64kbps and sample
size of 8 bit?
I have read that the sample size needs to be 13-14bit +1 for alaw/ulaw
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