Convert audio for Spark AR use

mitsuko · December 2, 2020, 5:13am

If you ever need to convert your audio files into something spark will accept, use this online converter.

Don’t forget to change the following:
Sampling Rate: 44100 Hz
Audio Channels: Mono
Audio codec: AAC (so it also works on android phones)

Boris · September 9, 2020, 7:46am

nice thanks a bunch! my process was a lot longer and tedious x)

josh_beckwith · September 24, 2020, 2:45pm

In case you are into command line stuff, here’s my solution. It’s a shell script that wraps an ffmpeg command.

gist.github.com

https://gist.github.com/positlabs/f109262794a9662a828e480bc70faa05

convert-audio.sh

#! /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

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