positlabs

#! /bin/bash
# This command converts audio according to the specifications listed in the Spark docs:
#  https://sparkar.facebook.com/ar-studio/learn/documentation/docs/audio
#  mono m4a, 44.1kHz sample rate, 16-bit-depth resolution
# Usage: 
#  convert-audio.sh myaudio.mp3 converted.m4a
# Notes: 
#  Always use m4a for output file type
#  Change "64k" to a higher value to improve bitrate/quality. e.g. 96k 128k 192k