unstable v1.0
by de la Mancha
(de la Mancha Website)

Download from the
Author's Website

Operating System: Windows XP/2000
File Size: 2.3 MB
License: Demonstration (All Demo software)
License Conditions:

1 second of silence every 10 seconds and a nag screen on start up. Registration: US$8.00

System Requirements:

VST host application.

Last Updated:
For more detail about software : Software Description
  View unstable v1.0 Screenshot
Tags : effect | plugin | vst

Software Description

unstable likes to mess around with your audio pitch, with 3 subtle pitch modulation modes to simulate the unpredictable but lovable pitch instability of an old tape machine or analogue equipment. It doesn't only do subtle though, you can also put it in 'insane' mode if you'd rather just FSU.


  • 3 modes of continuously random pitch modulation:

    - Buzz (Rapid, fuzzy modulation)

    - Wobble (Medium, jerky modulation)

    - Drift (Slow, gentle modulation)

  • Adjustable frequency and level for each modulation mode
  • Master level mode to adjust overall subtlety of effect
  • Wet / dry mix level control
  • Insane mode – removes all subtlety and smacks your pitch up
  • All controls mapped to midi CC values
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