#!/bin/bash

if ! [ -f "${1}" ]
then
	echo "File ${1} not found"
	exit 1
fi

# Base name
NAME=$( basename "${1}" .mp3 )
echo "Converting ${NAME}.mp3"

# Convert to wav
# Limit bandwidth to 300 - 3400 Hz, Mono
ffmpeg -i "${1}" -filter "highpass=f=300, lowpass=f=3400" -ac 1 "${NAME}.wav"

# Convert to sln
sox "${NAME}.wav" -t raw -r 8000 -e signed-integer -b 16 -c 1 "${NAME}.sln"