Author Topic: Pfm2 : unison discussion  (Read 1953 times)

solipsvs

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Re: Pfm2 : unison discussion
« Reply #60 on: February 24, 2021, 06:17:41 AM »
are there cc left to assign? maybe matrix destinations?

matrix12x

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Re: Pfm2 : unison discussion
« Reply #61 on: February 26, 2021, 03:37:05 PM »
@ solipsvs are you suggesting using a CC or a mod destination for unison detune.


solipsvs

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Re: Pfm2 : unison discussion
« Reply #62 on: February 26, 2021, 06:09:34 PM »
indeed! but i also posted about an amplitude ratio parameter of ‘fundamental (not detuned) to unison layers’.  perhaps it would be appropriate?

also the spread doesnt seem to do anything
« Last Edit: February 26, 2021, 06:13:26 PM by solipsvs »

matrix12x

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Re: Pfm2 : unison discussion
« Reply #63 on: February 26, 2021, 06:29:08 PM »
On my unit "spread" seems to affect the stereo field. I've mostly been doing unison using 3 or 4 voices max.

Looking at the code, it definitely effects the pan.
for example in Timbre.cpp:
float opPanInc = 2.0f / numberOfCarrierOp * params.engine2.unisonSpread;


Regarding the amplitude ratio, sounds like a cool idea. Might you have a sound example from another synth?

solipsvs

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Re: Pfm2 : unison discussion
« Reply #64 on: February 26, 2021, 11:18:33 PM »
thats not hard to imagine?  it adjusts the volume ratio between the fundamental and detuned layers.
« Last Edit: Today at 04:10:41 AM by solipsvs »

Xavier

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Re: Pfm2 : unison discussion
« Reply #65 on: Today at 12:02:42 PM »
Detune is only calculated when a new note is pressed.
So it would not work in the matrix.

Spread works for me too.

another thing that might be nice is a volume balance between the fundamental note frequency and the rest of the unison layers...  has a way of allowing unison to just flavor the effect rather than be full strength only...  there is room for one more knob!

Actually no. Or not as easy as it seems.  But for technical reason.
The preenfm2 as a strong link between what you see  and what parameter is stored.
And at the free knob position there is the version of the preset that is stored.
That would requires a bit more work.