On Sat, Apr 26, 2008 at 12:09:57AM +0200, Peter Plessas wrote:
> Dear List,
>
> does anyone know of an application (or script) to normalize audio-files
> from the command line? I have only come across "normalize-audio" which
> does compression across multiple files, but i haven't figured out how to
> raise the amplitude of a file to +/-1 without altering it's dynamics. I
> am sure this could be done using a two-pass sox script, but before i
> start writing my own, i wanted to know if a similar solution already exists.
>
This is probably not the best way to do it, but it's worked for me:
for i in `ls *wav`; do
FOO=`sox $i -e stat -v 2>&1`
BN=`basename $i .wav`
echo "norming $i with factor $FOO ..."
sox -v $FOO $i -t wav ${BN}.norm.wav
done
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