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 Forum index » Clavia Nord Modular » G2 Patches - Completed » Classic
Polysynth with analogish tips & tricks
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davep



Joined: Jul 05, 2004
Posts: 467
Location: Oakland, CA
Audio files: 10
G2 patch files: 73

PostPosted: Thu Nov 17, 2005 11:06 pm    Post subject: Polysynth with analogish tips & tricks Reply with quote  Mark this post and the followings unread

Hi all,

Here's a basic polysynth based on the "MiniFlavored filter" building block. It's pretty basic, but you can add stuff to it to dress it up a bit.

I added some circuitry to create random detuning on each new note like a hardware polysynth with drifting oscs, as well as a "fake" portamento effect:

I don't like the G2's portamento implementation, frankly. At least not for polyphonic patches. Due to the voice allocation scheme, the notes tend to slide from some seemingly random pitch, sometimes from just a few notes away, sometimes from several octaves away. I think it's distracting. Polyphonic portamento sounds much better when it is "pitch ordered", meaning new notes are played by whichever previously sounding voice was at the closest pitch, rather than whichever voice has been silent the longest.

To simulate this effect, I added a pitch EG that is sometimes positive, sometimes negative, depending on the state of a square LFO that gets sampled every time a new note is triggered. This makes some notes slide up to pitch, some slide down, but they tend to slide from about the same distance away. This EG is also amplitude-modulated by velocity, so you can control the effect by playing harder or softer.

I also added a filter feedback control. Check the variations. Enjoy!


MiniFlavoredFilterB.pch2
 Description:
Simple polysynth with mini-flavored filter, poly detuning, and simulated 'pitch-ordered' portamento.

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 Filename:  MiniFlavoredFilterB.pch2
 Filesize:  2.96 KB
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Dave Peck
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ian-s



Joined: Apr 01, 2004
Posts: 2575
Location: Auckland, New Zealand
Audio files: 42
G2 patch files: 608

PostPosted: Fri Nov 18, 2005 12:14 am    Post subject: Reply with quote  Mark this post and the followings unread

real nice Dave
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