Re: midi messages and polyphony

"Tristan [email protected] [KurzList]" <[email protected]>
Newsgroups gmane.music.equipment.kurzweil
Message-ID <[email protected]>
Sending of MIDI messages from a keyboard and the local polyphony are two separate things. If you hold down 
8 keys on a synth with only 6 note polyphony then all 8 note on messages are sent out over MIDI but only 6 of 
them will sound on the local synth. As you release each of the 8 keys a MIDI note off message is sent out for 
each note. How this affects the local synth voices depends on the voice assignment algorithm.

The sustain pedal function can be implemented in different ways, but for MIDI transmission it will normally be 
completely independent of the note on/off messages. In your 64 note arpeggio example, pressing the sustain 
pedal sends out the MIDI sustain pedal on message then each note played in the arpeggio sends out its 
corresponding MIDI note on and note off message. It is up to the receiving VSTi to manage its local voice 
allocation and decide with of those notes to play and which to cut off. The sustain pedal being on just tells it to 
keep sounding the currently playing notes. Then releasing the sustain pedal sends out a MIDI sustain pedal off 
message telling the VSTi to release any notes not currently being held.

/Tristan

On Fri, Oct 26th, 2018 at 10:41 PM, "danforcz [email protected] [KurzList]" <[email protected]> 
wrote:

> I supposed you have only 10 fingers, so you can’t keep 64 keys pressed. So
> when you release keys one by one during playing arpeggio, Note Off info is
> sent. Tones are kept sounding only by Sustain controller. When you release
> Sustain, all tones stop to sound. Does it make sense?
> 
> Daniel Forro
> 
> 
> > On Oct 26, 2018, at 14:04, [email protected] <mailto:[email protected]>
> [KurzList] <[email protected] <mailto:[email protected]>>
> wrote:
> > 
> > 
> > 
> > Hi all,
> > 
> > 
> > 
> > Would anyone here know if when you exceed the keyboard's max polyphony does
> it send a midi note off message for the notes it has to drop? Ie, you have 64
> note polyphony but use the sustain pedal and create an arpeggio that sustains
> more than 64 notes, do any of the dropped notes send a midi note off message
> to the vst you are controlling?
> > 
> > 
> > 
> > Thanks in advance!
> > 
> 
> 





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Posted by: Tristan <[email protected]>
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