STKMoog — STKMoog produces moog-like swept filter sounds.
STKMoog produces moog-like swept filter sounds, using one attack wave, one looped wave, and an ADSR envelope and adds two sweepable formant filters.
asignal STKMoog ifrequency, iamplitude, [kq, kv1[, krate, kv2[, klfo, kv3[, klfodepth, kv4[, kvol, kv5]]]]]
ifrequency -- Frequency of note played, in Hertz.
iamplitude -- Amplitude of note played (range 0-1).
kq -- controller 2, Q filter. Value range of kv1 is 0-127.
krate -- controller 4, rate of filter sweep. Value range of kv2 is 0-127.
klfo -- controller 11, speed of low-frequency oscillator. Value range of kv3 is 0-127.
klfodepth -- controller 1, depth of low-frequency oscillator. Value range of kv4 is 0-127.
kvol -- controller 128, volume. Value range of kv5 is 0-127.
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The code for this opcode is taken directly from the Moog class in the Synthesis Toolkit in C++ by Perry R. Cook and Gary P. Scavone. More on the STK classes can be found here: https://ccrma.stanford.edu/software/stk/classes.html kc1, kv1, kc2, kv2, kc3, kv3, kc4, kv4, kc5, kv5, kc6, kv6, kc7, kv7, kc8, kv8 -- Up to 8 optional k-rate controller pairs for the STK opcodes. Each controller pair consists of a controller number (kc) followed by a controller value (kv). Both the controller numbers and the controller values are krate variables. However, during a performance, normally the controller numbers stay fixed while the corresponding controller values may change at any time. The order of the controller pair is arbitrary, as long as they are after iamplitude. Also, it is not needed that all controller pairs are used. |
Here is an example of the STKMoog opcode. It uses the file STKMoog.csd.
Example 858. Example of the STKMoog opcode.
<CsoundSynthesizer> <CsOptions> ; 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 STKMoog.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> sr = 44100 ksmps = 32 nchnls = 2 0dbfs = 1 instr 1 ifrq = p4 kv1 line p5, p3, p6 ;filter Q asig STKMoog cpspch(ifrq), 1, 2,kv1, 4, 120, 11, 40, 1, 1, 128, 120 asig = asig * .3 ;too loud outs asig, asig endin </CsInstruments> <CsScore> i 1 0 .5 6.00 100 0 i 1 + . 5.05 10 127 i 1 + . 7.06 100 0 i 1 + 3 7.00 10 10 e </CsScore> </CsoundSynthesizer>