#!/bin/bash
for file in "$@"; do mplayer \
 -vo null \
 -vc dummy \
 -af resample=44100 \
 -ao pcm:file="${file%%.[Ww][Mm][Aa]}.wav" \
 "$file"
 lame -V9 "${file%%.[Ww][Mm][Aa]}.wav" "${file%%.[Ww][Mm][Aa]}.mp3"
 rm -f "${file%%.[Ww][Mm][Aa]}.wav"
done