Fluctuating Random & Global Rate of Change

Fluctuating random is not just fluctuating random… Each of the two fluctuating knobs (marked by a dice ⚄) also controls the density of the random clocks. It can be very useful in crowded patches!


  • 1 SAPÈL


  1. Set FALISTRI’s green generator to ‘Loop’ mode.
  2. Set the green generator’s Time Scale switch to ‘Short’.
  3. Set FALISTRI’s yellow generator to ‘Transient’ mode.
  4. Set the yellow generator’s Time Scale switch to ‘Long’.
  5. Set the yellow generator’s ‘Rise’ knob fully counterclockwise.
  6. Set its ‘Fall’ knob roughly around 11 o’clock.
  7. Patch the 4QM out to your favorite output section.
  8. Patch SAPÈL’s random clock output to yellow generator’s ‘Trig’ input.
  9. Set SAPÈL’s random clock in ‘Less Than’ mode ( < ).
    (You will hear the yellow generator affecting the green one’s amplitude at random times, but always in sync with the main clock.)
  10. Move the Fluctuating Random Voltages knob to different positions.
    (It now determines the Global Rate of Change, i.e. the random clock density. Fully CCW makes the trigs sparser, while fully CW makes them denser.)
  11. Set SAPÈL’s random clock in ‘More Than’ mode ( < ).
  12. Keep moving the Global Rate of Change knob.
    (The effects are even more noticeable.)
  13. Set the Global Rate of Change knob fully CCW.
    (The random clock density is now at 0, and no random clocks will be added to the main one. It can be thought of as a copy of the main clock, which can be useful in some patches!)


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Timbre Randomness – Frap Tools
2020-08-31 at 11:43 AM

[…] Patch SAPÈL’s green Fluctuating output to BRENSO’s Timbre Mod CV input, and andjust the attenuverter. (This will randomly change the amount of modulation going to the four parameters of the Timbre section. We used the green fluctuating output because we want our yellow one to be in charge of the Global Rate of Change.) […]