melody-graph

Create a video using melody graph of audio.

Sample Video [Youtube]

Workflow with single sound

music-grapher audio-file.m4a

# Helpful settings for instruments
# --mel_minpeaksalience=1.0 
# --mel_voicing=5.00  
# --freq_min=50 
# --freq_max=700

Workflow With Split sound

## Create temp directory
mkdir -p raw

## Split sound 29 seconds each
ffmpeg -i audio.m4a -f segment -segment_time 29 -c copy raw/sound-%3d.m4a

## produce videos

ls raw/*.m4a | parallel music-grapher {}

# see music-grapher -h for all args such as tonic adjustments

## merge with sound
## Remove old files if exists
# rm raw/*-merged.mp4
ls raw/sound-*.m4a | parallel ffmpeg -i {}.mp4 -i {}  -c:v copy -c:a copy {}-merged.mp4

## merge all
## Remove old if exists
rm parts.txt    

for f in ./raw/*-merged.mp4; do echo "file '$f'" >> parts.txt; done
ffmpeg -f concat -safe 0 -i parts.txt -c copy final.mp4