#!/bin/sh -x _dir="$PWD/audiotest" mkdir "$_dir" for i in *.flac; do _tmp="$_dir/${i%%.flac}" # create reference wav flac -df "$i" -o "${_tmp}.wav" # encode to 128kbit mp3 lame --cbr -b 128 "${_tmp}.wav" "${_tmp}-128.mp3" # encode to 320kbit mp3 lame --cbr -b 320 "${_tmp}.wav" "${_tmp}-320.mp3" # encode to VBR(new) Quaity 5 mp3 lame --vbr-new -b 96 -B 320 "${_tmp}.wav" "${_tmp}-VBR96.mp3" done