Download free Part of NULL JSFX 2.5: 113 plugins, free and open source (MIT). Easiest with NULL JSFX Hub.

Listen

The same music with the Octave Down preset and without the plugin. Switch while it plays.

Controls

  • Amount−100 to +100 — Bipolar: negative values lower the pitch (up to -1 octave) with long, smeared grains up to 240 ms; positive values raise it (up to +1 octave) with tighter 25 ms grains; 0 is untouched and the effect is fully wet from ±25

Best uses

  • Slowed-down, tape-stretched vocal textures
  • Octave-down sound design
  • Chipmunk or octave-up effects
  • Granular pad texture
  • Transitions and risers

Properties

Input → circular buffer → two crossfading grains (Hann windows, half a cycle apart) read at 2^Amount speed → dry/wet blend → Output. Pitch changes but length does not; grain length scales from 25 to 240 ms.

Formats

  • JSFXJSFX for REAPER, with REAPER's own sliders
  • GFXJSFX GFX for REAPER, with its own interface
  • VST3VST3 for any DAW
  • CLAPCLAP for any DAW

Factory presets

Octave Down · Slow Motion Tape · Grain Smear Texture · Fifth Up · Octave Up

Try it

Try it on orOS StudioAdd it to a track in your browser, with its own interface. Nothing to install.