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Sandman by Unfiltered Audio is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin and an Audio Units Plugin.
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30-Day: 19549; 7-Day: 13207; Yesterday: 4710

Sandman blends many time-manipulation paradigms into one inviting interface, giving you the ability to use it as a traditional delay, a flanger, a granulator, a wavetable oscillator, or something completely different. A feature-packed modulation system keeps everything animated, while a special de-clicking algorithm ensures that your loops are mix-ready.

Latest User Reviews

Average user rating of 4.00 from 1 review

Reviewed By tommyzai
November 30th, 2014


Sandman by Unfiltered Audio is a one-of-a-kind delay looper that is capable of warping nearly any audio into an otherworldly ambient texture. In the past, I time-stretched sampled audio to create my own atmospheric sounds, but the results were rarely pleasing — usually filled with digital clock-noise, unwanted distortion, and time stretch/sample rate conversion artifacts. With Sandman, I'm able to work in vivo, on the fly by doing the following:

  1. Create a runaway echo.
  2. Add character to taste.
  3. Capture a desired audio segment via the Sleep control.
  4. Warp the delay loop into a haunting masterpiece.


  • Easy to use, minimalist GUI.
  • Inspiring.
  • Capable of a wide range of sonic tones, from lo-fi to hi-fi.
  • De-clicker to smooth out loops.
  • Tempo sync'r.
  • LFOs.
  • CPU friendly.
  • Enthusiastic, energetic, responsive developers.
  • No serial number or iLok needed.
  • Fantastic price.


For the past week I've enjoyed creating a variety eerie sounds. Sandman is worth every penny, and it doesn't cost many pennies. I think I paid more for a sandwich at Whole Foods Market yesterday. Perhaps that's an unfair analogy as the sandwich was organic; yet, Sandman is very organic in it's own unique way. I highly recommend Sandman to any eMusican, producer, DJ, film and game scorer, and sound designer, who is looking to creatively stretch their sound and wallet. Tommy Zai gives Sandman two LOUD echoing shouts. Thank you, Unfiltered Audio for creating such a unique and useful FX plugin.

Note: Sandman is also a very capable delay, flanger, granulator, etc. I chose to focus on the more exciting feature in this brief, first impressions user review.

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