[PD] karplus-strong

[Josh Steiner]

amazing how much that sounds like a real struck guitar string for such a 
simple patch.

Orm Finnendahl wrote:
> Hi,
>
> attached an annotated implementation of karplus strong in pd for
> anybody interested.
>
> --
> Orm
>   
> ------------------------------------------------------------------------
>
> #N canvas 452 71 569 635 12;
> #X obj 106 530 delwrite~ buffer 1000;
> #X obj 68 162 noise~;
> #X obj 68 214 *~;
> #X msg 174 161 0;
> #X msg 140 161 1;
> #X obj 140 70 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
> -1;
> #X floatatom 173 97 5 0 0 0 - - -;
> #X obj 61 489 *~ 0.99;
> #X floatatom 119 468 5 0 0 0 - - -;
> #X obj 90 330 biquad~ 0 0 0 0 1;
> #X obj 91 364 *~ 0.5;
> #X obj 30 364 *~ 0.5;
> #X obj 50 402 +~;
> #X obj 45 531 dac~;
> #X obj 174 134 del 3;
> #X obj 91 268 vd~ buffer 100;
> #X text 260 330 delay one sample;
> #X text 103 405 0.5 * f[n] + 0.5 * f[n-1];
> #X text 106 429 (average betwen current and last sample);
> #X text 312 532 write back into buffer;
> #X text 231 255 read out buffer;
> #X text 212 164 fill buffer with random values;
> #X text 184 471 damping (set between 0 and 1);
> #X text 232 275 delay time translates into pitch;
> #X text 36 69 play sound;
> #X text 233 97 delay time translates into pitch;
> #X obj 257 43 loadbang;
> #X msg 257 66 14;
> #X text 39 17 PD implementation of the karplus strong algorithm;
> #X connect 1 0 2 0;
> #X connect 2 0 0 0;
> #X connect 3 0 2 1;
> #X connect 4 0 2 1;
> #X connect 5 0 4 0;
> #X connect 5 0 14 0;
> #X connect 6 0 14 1;
> #X connect 6 0 15 0;
> #X connect 7 0 0 0;
> #X connect 7 0 13 1;
> #X connect 7 0 13 0;
> #X connect 8 0 7 1;
> #X connect 9 0 10 0;
> #X connect 10 0 12 1;
> #X connect 11 0 12 0;
> #X connect 12 0 7 0;
> #X connect 14 0 3 0;
> #X connect 15 0 11 0;
> #X connect 15 0 9 0;
> #X connect 26 0 27 0;
> #X connect 27 0 6 0;
>   
> ------------------------------------------------------------------------
>
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>   


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