[PD] [midifile]

Samuel Burt composer.samuel.burt at gmail.com
Wed Feb 9 19:07:45 CET 2022

As with most unpredictable problems in pd, this one was solved with a
trigger object banging a float so the velocity could be set before the

I've had this problem for days and solved it just after posting to the list.

On Wed, Feb 9, 2022 at 12:52 PM Samuel Burt <composer.samuel.burt at gmail.com>

> I'm working with [midifile] to create algorithmic scores from analog-style
> synthesis models. Really I'm at the beginning stages of doing so.
> My flow is to generate data, write it into a MIDI file, and then open it
> in Finale to see the results. Unfortunately, I'm seeing an accumulation of
> previous notes that appears at the start of each measure.
> Here's a picture of the patch and the output:
> https://i.imgur.com/t4naCah.png
> Any idea what I'm doing wrong? I'm assuming there might be some kind of
> problem with how I'm creating noteoff commands.
> What I remember from study is that the MIDI spec has both noteon and
> noteoff messages, but most instruments just use noteon messages with zero
> velocity. Do sequencers translate those zero velocity messages into noteoff
> messages before saving them into a file?
> Thanks,
> Sam
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