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AstRecipes»Script to convert music-on-hold to native formats





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AstRecipes » Script to convert music-on-hold to native formats

This script converts a directory full of MP3s to another directory with the same files in native formats (WAV, GSM and U-Law) - see recipe Music-on-hold without MPG123 for an overview of how this works.

FROMDIR="/root/mp3s"
TODIR="/root/transcodes"
for i in $FROMDIR/*.mp3
do
BASEFILE=$(basename $i .mp3)
echo Converting $BASEFILE
mpg123 -s --rate 44100 --mono $FROMDIR/$BASEFILE.mp3 > $TODIR/$BASEFILE.raw
sox -r 44100 -w -s -c 1 $TODIR/$BASEFILE.raw -r 8000 -c 1 $TODIR/$BASEFILE.wav
sox $TODIR/$BASEFILE.wav -t gsm -r 8000 -b -c 1 $TODIR/$BASEFILE.gsm
sox $TODIR/$BASEFILE.wav -t ul -r 8000 -b -c 1 $TODIR/$BASEFILE.pcm
rm -f $TODIR/$BASEFILE.raw
done

Please set FROMDIR and TODIR as you best see fit (they can also be the same directory).