STKPlucked — STKPlucked uses a plucked string physical model.


Plugin opcode in stkopd. This opcode is part of the plugin repository and has to be installed separately. The plugin repository can be found here:

STKPlucked uses a plucked string physical model based on the Karplus-Strong algorithm.


asignal STKPlucked ifrequency, iamplitude


ifrequency -- Frequency of note played, in Hertz.

iamplitude -- Amplitude of note played (range 0-1).

[Note] Note

The code for this opcode is taken directly from the Plucked class in the Synthesis Toolkit in C++ by Perry R. Cook and Gary P. Scavone. More on the STK classes can be found here:


Here is an example of the STKPlucked opcode. It uses the file STKPlucked.csd.

Example 1048. Example of the STKPlucked opcode.

; Select audio/midi flags here according to platform
-odac     ;;;realtime audio out
;-iadc    ;;;uncomment -iadc if RT audio input is needed too
; For Non-realtime ouput leave only the line below:
; -o STKPlucked.wav -W ;;; for file output any platform

sr = 44100
ksmps = 32
nchnls = 2
0dbfs  = 1

instr 1  ;STKPlucked - has no controllers

ifrq	=	p4

asig	STKPlucked cpspch(ifrq), 1
	outs asig, asig


i 1 0 2 6.00 
i 1 + 8 5.00
i 1 + .5 8.00

See also

STK Opcodes


Author: Michael Gogins (after Perry Cook)
Irreducible Productions
New York, NY

New in Csound version 5.11