Using lame (Linux tool) you can convert WAV files to MP3 . To install it in Debian like OSs use apt-get command: If you want to convert all files inside many sub directories just try this shell command: for x in find <DIRECTORY> -name “*.wav”; do MP3=$(dirname $x)/$(basename $x .wav).mp3; /usr/bin/lame -b 96 -t -F […]