STKSitar — STKSitar uses a plucked string physical model.


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


asignal STKSitar 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 Sitar 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 STKSitar opcode. It uses the file STKSitar.csd.

Example 838. Example of the STKSitar 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 STKSitar.wav -W ;;; for file output any platform

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

instr 1  ;STKSitar - has no controllers

ifrq	=	p4

asig	STKSitar cpspch(p4), 1
asig	=	asig * 2			;amplify
	outs asig, asig


i 1 0 4 6.00 
i 1 + 2 7.05
i 1 + 7 5.05


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

New in Csound version 5.11