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Having found 2 open source tools that can convert any audio file to midi, I'm still interested if there are others (for comparison).
I've tried WaoN and Audio_to_midi_melodia.
But not all samples produce desirable output.
WaoN seems to work better overall, and tweaking the parameters (as well as using higher sampling rates as input) aids in getting more accurate results.
Any tips for other OSS tools or libraries that achieve something similar are greatly appreciated.
I don't know about free and open source but ableton does this with a right click on an audio file > convert to midi
Maybe you could extract this midi out of the trial version or something like that?
it seems that rackarrack has an audio to midi converter inside. The plugin is for guitar sounds but you can probably have a look at the code and see how this is made.
There's also aubio with a command line dedicated to audio to midi conversion aubionotes same thing here, you can probably have a look at the source code.
See my answer here: https://stackoverflow.com/questions/5852102/software-to-convert-audio-to-midi/65444119#65444119
which describes using Sonic Analyser or Tony.
you may want to see this,which converting piano audio to MIDI https://github.com/bytedance/GiantMIDI-Piano.it may need a little bit modification of the program.
you may want to see this,which converting piano audio to MIDI the site is:https://github.com/bytedance/GiantMIDI-Piano it may need a little bit modification of the program to use.
