Play only the lowest note of a chord

[Oli Ullmann]

Hello all! :-)

I have the following goal:

When I play a chord, only the lowest note of the pressed chord should play. Even if I change notes in the chord, only the lowest note of the pressed chord should continue to play.

The reason: I only want to trigger the arpeggiator with the lowest pressed note.

I've already tried a few things, but I can't get anywhere. I can ignore the notes above the lowest note played. However, if I hold a note and then play a lower note, the previously held note continues to play. How can I change this?

Here is my approach so far as a snippet:

Thank you very much! :-)

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[d.healey]

@Oli-Ullmann I haven't looked at your snippet but this is my approach for such things.

In on note on add the note number to an array, then sort the array ascending and only play the note in element 0.

In on note off remove the note from the array.

[Oli Ullmann]

@d-healey Thank you for your answer! :-)

Is that what you mean?

// onInit
Synth.deferCallbacks(false);

reg notes = [];

// onNoteOn
	notes.push(Message.getNoteNumber());
	
	notes.sort();

	Message.setNoteNumber(notes[0]);

// onNoteoff
	notes.remove(Message.getNoteNumber());

Unfortunately, it still doesn't work for notes that are lower than the first note pressed. For example, if I play C3, hold the note down and then add G2, C3 will still be played.

If I press a complete chord at the same time, this solution will also play all the notes.

Or am I doing something wrong?

Thank you very much
Oli

[Lindon]

@Oli-Ullmann

Synth.deferCallbacks(false);

reg notes = [];

// onNoteOn

         // if this note is higher than the current playing note - ignore it...


	notes.push(Message.getNoteNumber());
	
	notes.sort();

	Message.setNoteNumber(notes[0]);

       // turn off the currently playing note here.....

// onNoteoff
	notes.remove(Message.getNoteNumber());
      //check to see if there is still anything to play, if so and we are not playing it then play the lowest note...

[d.healey]

@Oli-Ullmann Here's a method that will work. I've put it in a separate MIDI processor because the UI script should be deferred. I'm using a const instead of a reg for the array.

I'm also setting some values to -1 as you'll see to avoid hanging note issues. Synth.isArtificialEventActive() Should be able to be used instead but I find it's not reliable so I do it manually.

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[Oli Ullmann]

@d-healey Thank you for your approach. Unfortunately, it still doesn't work when I load an apeggiator.

If I load the arpeggiator into the SineWave generator and press a chord, it stops immediately.

If I load the arpeggiator into the main container, the note that was held first continues to play.

However, I will try to find a solution based on your approach.

Thank you very much! :-)

[d.healey]

@Oli-Ullmann You might have to ignore the incoming note and play a new note instead - I'm not sure though as I haven't messed with the arp much.

[Oli Ullmann]

@d-healey Yes, I will try that.