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kamend/convert-audio.sh

Forked from positlabs/spark-convert-audio.sh
Created November 20, 2019 08:53
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FFMPEG audio conversion for Spark AR
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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
ffmpeg -i $1 -ac 1 -ar 44.1k -b:a 64k $2
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kamend commented Aug 20, 2020

ffmpeg -i audio.wav -ar 44100 -ac 1 output.m4a

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