[Asterisk-Users] IVR GSM voice prompt quality

[Steven Critchfield]

On Tue, 2004-04-27 at 14:06, Chris Maresca wrote:
> All,
> 
> We've got some IVR voice prompts that were recorded by Allison Smith (the
> voice).  The originals are great quality, and they are pretty good when
> played through our sip phones, but they are quite bass-y and muddle when
> played through a X100p interface.
> 
> I'm wondering what can be done to improve playback quality.  A different
> format, perhaps?  Different encoding flags on the .wav to .gsm conversion?
> Tweaks in zapata.conf (I've tried fiddling with TX/RX with no success).

Conversion should be nothing more than 
sox orig.wav orig.gsm
or possibly
sox orig.wav -g gsm.wav

There isn't really anything that should go wrong there. 
-- 
Steven Critchfield  <critch at basesys.com>