audio – darkogav https://darkogav.economics.utoronto.ca Mon, 31 Aug 2026 19:06:05 +0000 en-US hourly 1 https://wordpress.org/?v=7.1 ffmpeg audio work notes https://darkogav.economics.utoronto.ca/ffmpeg-audio-work-notes/ Mon, 31 Aug 2026 19:06:05 +0000 https://darkogav.economics.utoronto.ca/?p=89 Read more]]> To check LUFS and True Peak of a wave file where $foo is your wave file.

ffmpeg -i $foo.wav -af loudnorm=print_format=json -f null -

Generate a mp4 file to play on MacOS where $foo is your wave file and $name is your mp4 file. Targeting -14 LUFS. Good for most genres.


ffmpeg -i $foo -filter_complex "[0:a]ebur128=video=1:size=640x480:target=-14:meter=18:peak=true[out0][out1]" -map "[out0]" -map "[out1]" -c:v libx264 -pix_fmt yuv420p -profile:v baseline -level 3.0 -c:a aac -movflags +faststart $name.mp4

Targeting -16 LUFS. Good for most more traditional Folk and Americana genres.

ffmpeg -i $foo -filter_complex "[0:a]ebur128=video=1:size=640x480:target=-16:meter=18:peak=true[out0][out1]" -map "[out0]" -map "[out1]" -c:v libx264 -pix_fmt yuv420p -profile:v baseline -level 3.0 -c:a aac -movflags +faststart $name.mp4

Targeting -6 LUFS. Good to blow your ears away. EDM and Hiphop genres.

ffmpeg -i $foo -filter_complex "[0:a]ebur128=video=1:size=640x480:target=-6:meter=18:peak=true[out0][out1]" -map "[out0]" -map "[out1]" -c:v libx264 -pix_fmt yuv420p -profile:v baseline -level 3.0 -c:a aac -movflags +faststart $name.mp4

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