switch from opus to mp3

compress-music.sh

@@ -16,5 +16,5 @@ find . -type d -exec mkdir -p "$destination/{}" \;
 # set +e because ffmpeg errors on .jpg, .txt, etc.
 # compress with opus
 set +e
-find . -type f -not -name '*.opus' | parallel --eta --progress 'ffmpeg -v 0 -n -i ""{}"" -c:a libopus -map_metadata 0 -b:a 128k ""$destination/{.}.opus""'
+find . -type f -not -name '*.opus' | parallel --eta --progress 'ffmpeg -v 0 -n -i ""{}"" -c:a mp3 -b:a 320 -map_metadata 0 ""$destination/{.}.mp3""'
 #set -e