I want to write a MIDI file with the inputs I receive from the digital piano I have connected. I am using pygame.midi to open an input port and midiutil to write the MIDI file. What I can't wrap my head around is the timing. For example, in addNote(track, channel, pitch, time, duration, volume), how do I know what time and duration of a note is? When reading a note, I get pitch, and volume just fine, but the others I have no idea... I tried using the timestamp but to no avail, it places the note really far away in the MIDI file. So, how do I compute the 'time' and 'duration' of a note? Continue reading...
