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 Forum index » Clavia Nord Modular » G2 Patches - Experimental
Bowed String
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G2zamours



Joined: Sep 03, 2009
Posts: 1
Location: St Maur, France
G2 patch files: 1

PostPosted: Thu Sep 03, 2009 2:09 am    Post subject: Bowed String
Subject description: using a sort of commuted waveguide algo
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Hello,

this is my first post ever here.

I used to own a micro modular 8 years ago,
since that time, I did not bought a G2... because it was far too buggy.

So I waited... and I think I bought the last G2 engine available in France (they are very rare as second hand).

So, here is my first patch, it is inspired by the "commuted waveguide" synthesis : impulses responses of the instrument's body are injected into a waveguide figuring the strings. The structure is "commuted" but as filtering is a linear process, it does not mater.

We do not have samples in the G2 (it is a shame !!!!), so I kinda generate impulse responses with synched PM synth. To avoid "graininess", two impulses overlap (and they are windowed).

I think the result is promising and I am looking for ideas to improve it.

Regards

If the patch is silent, just send some "expression", it will open the filters and amps.


G2za_commutedWav.pch2
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iPassenger



Joined: Jan 27, 2007
Posts: 1051
Location: Sheffield, UK
Audio files: 5
G2 patch files: 78

PostPosted: Wed Sep 09, 2009 1:54 pm    Post subject: Reply with quote  Mark this post and the followings unread

This is pretty strange, i don't get it but it is cool nevertheless. Smile
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Roland Kuit



Joined: Sep 29, 2003
Posts: 1091
Location: The Netherlands/Sweden
Audio files: 8
G2 patch files: 127

PostPosted: Mon Oct 19, 2009 5:31 am    Post subject: Reply with quote  Mark this post and the followings unread

hi thierry, a clever one. thanks
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Tim Kleinert



Joined: Mar 12, 2004
Posts: 1042
Location: Zürich, Switzerland
Audio files: 6
G2 patch files: 214

PostPosted: Thu Oct 22, 2009 3:43 am    Post subject: Reply with quote  Mark this post and the followings unread

Shocked HA! I totally overlooked this one. How interresting. Cool

The only bowed string modelling approach I've dabbled with sofar was with the Keller-Friedlander nonlinearity in the feedback loop. (Thanks, Chet! Smile )

This sounds much better to my taste. In the mid-lower ranges it sounds especially convincing. And the WG is far simpler, just a StringOsc, which means zero tuning issues. Cool

I have no idea how it works. I briefly skimmed over this topic (commuted WG synthesis) long time ago somewhere (it was probably a J.O.Smith paper), but didn't get it.

...I still don't. Embarassed Laughing Gotta take a good look what that excitation source exactly does when I have time.

Thanks for the inspiration. And yes, it sounds promising and please do develop it further.

cheers,
tim

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