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Granular FX by Hvoya Audio

Free Product

Ribs is a granular instrument/fx that combines many different features. 


  • Play it as a poly/mono synth (NOTES mode)
  • Scratch audio like a vinyl record with precise playhead control (SIMPLE mode)
  • Generate complex polyrhythmic beats with custom grain sizes (BEAT mode)
  • Morph between rhythmic and harmonic structures
  • Use it as a granular FX with polyphonic capabilities (FX button on the top-left)
  • Create vocoder-like sounds (check out the formant filter too)
  • All controls are MIDI-automatable.

Important Notes

Currently Ribs does not support saving and loading of captured audio. If you do complex processing with it, it's generally advised to record your live performance.

By default you have to send MIDI notes to Ribs for it to fill the buffers. If your host does not support routing audio and MIDI to the same track use FX button on the top-left. You can then choose what buffers to fill by clicking on the buffer tabs.

Press the question mark button to see short parameter descriptions. PDF manual is included in the download.

System Requirements

  • Windows / Mac
  • 32-bit & 64-bit
  • VST / AU / Standalone

Any references to any brands on this site/page, including reference to brands and instruments, are provided for description purposes only. For example references to instrument brands are provided to describe the sound of the instrument and/or the instrument used in the sample. Plugin Boutique do not have (nor do they claim) any association with or endorsement by these brands. Any goodwill attached to those brands rest with the brand owner. Plugin Boutique or its Suppliers do not accept any liability in relation to the content of the product or the accuracy of the description. "RHODES" is a registered trademark of Joseph A Brandstetter.