Convert any MP3 to the format required by Amazon for Alexa audio tags

convert-to-alexa-mp3.sh

#!/bin/bash

INFILE="$1"
OUTFILE="$2"

which ffmpeg > /dev/null || {
    echo "You need ffmpeg to convert audio files to Alexa MP3 format"
    exit 1
}

if [ -n "$INFILE" -a -n "$OUTFILE" ]; then
    ffmpeg -i "$INFILE" -ac 2 -codec:a libmp3lame -b:a 48k -ar 16000 "$OUTFILE"
else
    echo "Usage: $0 <infile> <outfile>"
    exit 2
fi