linrand — Linear distribution random number generator (positive values only).
Linear distribution random number generator (positive values only). This is an x-class noise generator.
krange -- the range of the random numbers (0 - krange). Outputs only positive 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 linrand opcode. It uses the file linrand.csd.
Example 508. Example of the linrand opcode.
See the sections Real-time Audio and Command Line Flags for more information on using command line flags.
<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 linrand.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> sr = 44100 ksmps = 32 nchnls = 2 0dbfs = 1 instr 1 ; every run time same values klin linrand 100 printk .2, klin ; look aout oscili 0.8, 440+klin, 1 ; & listen outs aout, aout endin instr 2 ; every run time different values seed 0 klin linrand 100 printk .2, klin ; look aout oscili 0.8, 440+klin, 1 ; & listen outs aout, aout endin </CsInstruments> <CsScore> ; sine wave f 1 0 16384 10 1 i 1 0 2 i 2 3 2 e </CsScore> </CsoundSynthesizer>
      Its output should include a line like this:
      
 i   1 time     0.00033:    13.54770
 i   1 time     0.20033:    32.38746
 i   1 time     0.40033:    47.69304
 i   1 time     0.60033:    19.82218
 i   1 time     0.80033:    42.98293
 i   1 time     1.00000:    81.13174
 i   1 time     1.20033:    47.39585
 i   1 time     1.40033:    12.53248
 i   1 time     1.60033:    35.70722
 i   1 time     1.80000:    65.25774
 i   1 time     2.00000:    23.24811
Seeding from current time 392575384
 i   2 time     3.00033:    23.05609
 i   2 time     3.20033:    76.15114
 i   2 time     3.40033:    22.78861
 i   2 time     3.60000:     0.79064
 i   2 time     3.80033:    43.49438
 i   2 time     4.00000:    34.10963
 i   2 time     4.20000:    31.88702
 i   2 time     4.40033:    59.78054
 i   2 time     4.60033:     4.96821
 i   2 time     4.80033:    24.69674
 i   2 time     5.00000:    21.88815