On Fri, Apr 25, 2008 at 3:09 PM, Peter Plessas <plessas@xxxxxx> 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. > > Thanks for any hints, > > Peter > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user > this is a script I call 0db ----------------------------------------------------------------------------------------------------------- #!/bin/sh if [ $# -eq 1 ]; then { o=`echo $1 | sed -e 's/\([^\.]*\)\(\.\)\(.*\)/\1_normalized.\3/'` }; else { o=$2 }; fi sox -v $(sox $1 -n stat 2>&1 | grep Volume | sed -e 's/[^0-9]*\(.*\)/\1/') $1 $o ------------------------------------------------------------------------------------------------------------- If you drag file.wav to its icon, it will create file_normalized.wav, if you call it on the command line with one argument, it has the same behaviour. If you call from the command line like so: '0db file.wav new.wav' it will create new.wav, as you would expect. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
