krange -- the range of the random numbers (-krange to +krange). Outputs both positive and negative numbers.
For more detailed explanation of these distributions, see:
C. Dodge - T.A. Jerse 1985. Computer music. Schirmer books. pp.265 - 286
D. Lorrain. A panoply of stochastic cannons. In C. Roads, ed. 1989. Music machine . Cambridge, Massachusetts: MIT press, pp. 351 - 379.
Here is an example of the gauss opcode. It uses the files gauss.orc and gauss.sco.
Example 15-1. Example of the gauss opcode.
/* gauss.orc */
; Initialize the global variables.
sr = 44100
kr = 4410
ksmps = 10
nchnls = 1
; Instrument #1.
instr 1
; Generate a random number between -1 and 1.
; krange = 1
i1 gauss 1
print i1
endin
/* gauss.orc */
/* gauss.sco */
; Play Instrument #1 for one second.
i 1 0 1
e
/* gauss.sco */
instr 1: i1 = 0.252