#!/bin/bash sounds_location=$1 for rate in 32000 16000 8000 do for i in ascii base256 conference currency digits ivr misc phonetic-ascii time voicemail zrtp do mkdir -p $sounds_location/$i/$rate for f in `find $sounds_location/$i/48000 -name \*.wav` do echo "generating" $sounds_location/$i/$rate/`basename $f` sox $f -r $rate $sounds_location/$i/$rate/`basename $f` done done done