changing only velocity

[Tobias Kunze]

> What you want to send is key aftertouch messages (also called polyphonic
> aftertouch or key pressure). Or channel aftertouch, if your synth doesn't
> do anything with poly aftertouch.

or, as a last resort channel volume control messages (or
expression, or ...), although they affect the whole channel, mind
you.


> I don't know if general MIDI has assigned controllers for attack and
> decay, but I really don't think it would.

it hasn't.