File: wav49_to_mp3.sh

#!/bin/bash

FILES=$(ls *.WAV | cut -d '.' -f1)

for i in $FILES; do
echo converting: $i.WAV
sox -v 9 $i.WAV -r 44100 $i.mp3
done

File: wav_to_mp3.sh

#!/bin/bash

FILES=$(ls *.wav | cut -d '.' -f1)

for i in $FILES; do
echo converting: $i.wav
sox $i.wav -r 44100 $i.mp3
done