[Asterisk-Users] Re: IVR GSM voice prompt quality

[James H. Cloos Jr.]

>>>>> "Steven" == Steven Critchfield <critch at basesys.com> writes:

Steven> Conversion should be nothing more than sox orig.wav orig.gsm

Are you sure they come as signed linear 8 kHz wav files?

The uncompressed files John has on his site are 44.1 kHz PCM
aiff files, so something more like this is required for optimal
sound quality *if* that is how Allison records the files:

sox file.aiff -c 1 -r 8000 file.gsm resample -ql

-JimC
-- 
James H. Cloos, Jr. <cloos at jhcloos.com> <http://jhcloos.com>