Colin Anderson wrote:
Also if you have a nice linux script to take out some of the effort that
would be fantastic but if not I am sure the sox man page will help me
out.


Prep your WAV's as 8Khz mono. In a pinch, Windows sound recorder will do.
Then:
GSM:

#/bin/sh
for I in *.wav
do sox $I `basename $I .wav `.gsm
done

Ulaw:
#/bin/sh
for I in *.wav
do sox $I `basename $I .wav `.ul
done

hth

It's usually better to record with 44.1 (or even 48khz) and resample with sox (to 8khz). Then use this:

http://redice.krisk.org

To convert them to the various Asterisk formats.

--
Kristian Kielhofner
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