I am working on visualizations of 3 midi files that I would like to compare with one another (all 3 have a tempo of 120BPM). For the x axis of my visualization I am using the noteON and noteOFF ticks within each file. However, each file/work assigns a different amount of ticks to what is a quarter note, half note, etc. on the music score. Is there a way to "normalize" the files, so that in every file the same amount of ticks corresponds to the same duration on the score? I changed the PPQ resolutions and gave them the same value - in case this would help - but it didn't.
I am new to midi, so any contribution or hint on whether the above is possible would be helpful.