Hi Andy,
I have tried the thing with my guitar. I had to play with the clipping values a bit (more amplification in the beginning, and clipping between 0.X and 0.4 in the end, to keep the rzero~ from exciting the generator when no note is being played. I have tried using the "pulse" as a switch for pink~, to output a short burst of noise everytime. I have also tried 4 KS resonators, tuned one half-step apart. I am not satisfied with them when i try to get a percussive sound (maybe i should try to tune them differently), but i have discovered that i can get insane sounds by tuning the resonators to 0 and sliding the feedback all the way up, and feeding them with the pulse. You said this technique (getting a pulse from the guitar) is used in subharmonic stuff, does it include things like this synth (http://www.youtube.com/watch?v=Nrj7XrCliKY)? Thanks!
Pierre
2010/9/30 Andy Farnell padawan12@obiwannabe.co.uk
On Thu, 30 Sep 2010 21:00:05 +0200 Pierre Massat pimassat@gmail.com wrote:
Out of curiosity, what kind of resonator can i use? I only know resonant filters (like the moog~ bp filter) and karplus-strong resonators.
The KS ( a single tap feedback delay ). Again, small block size needed if you want good pitch accuracy or a bunch of them slightly detuned in a cluster.
So basically, i get a square wave. Then i use the rzero filter with a parameter set to 1, so that i get X(n)-X(n-1), which is equal to 0 all
over
the flat sections of the wave (except for the first sample), and equal
to
Delta (or something) or -Delta at the points where is rises and falls.
If i
clip this again between 0 and 1, i get a pulse everytime the wave rises
from
-1 to 1. Am i wrong?
Exactly right.
2010/9/30 Andy Farnell padawan12@obiwannabe.co.uk