randomi — Generates a user-controlled random number series with interpolation between each new number.
Generates a user-controlled random number series with interpolation between each new number.
kmin -- minimum range limit
kmax -- maximum range limit
kcps, acps -- rate of random break-point generation
The randomi opcode is similar to randi but allows the user to set arbitrary minimum and maximum values.
Here is an example of the randomi opcode. It uses the file randomi.csd.
Example 388. Example of the randomi 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 ; Audio out Audio in -odac -iadc ;;;RT audio I/O ; For Non-realtime ouput leave only the line below: ; -o randomi.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Initialize the global variables. sr = 44100 kr = 4410 ksmps = 10 nchnls = 1 ; Instrument #1. instr 1 ; Choose a random frequency between 220 and 440. ; Generate new random numbers at 10 Hz. kmin init 220 kmax init 440 kcps init 10 k1 randomi kmin, kmax, kcps printks "k1 = %f\\n", 0.1, k1 endin </CsInstruments> <CsScore> ; Play Instrument #1 for one second. i 1 0 1 e </CsScore> </CsoundSynthesizer>
Its output should include lines like:
k1 = 220.000000
k1 = 414.226196
k1 = 284.101074