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Numerical Audio releases RF-1 - Algorithmic Reverb for iOS

Numerical Audio

Numerical Audio has released RF-1, a collection of algorithmic reverbs for iPhone and iPad. RF-1 integrates with AudioUnit Hosts over Audiobus and Inter-App Audio and USB Interfaces. RF-1 also comes with multiple reverb algortihms, a standalone application, true stereo processing and a plethora of tweakable controls.


  • 5 Unique reverb programs (see below).
  • Space section with individual controls for Size, Decay, Predelay, Width & Damping.
  • Color section with high and low shelving filters, variable crossover, modulation frequency & amount.
  • True Stereo Processing.
  • Standalone operation with Mic/Guitar Input or USB Audio.
  • AudioUnit Extension for multiple instances running simultaneously.
  • Inter-App Audio and Audiobus support.
  • Universal Application.

Reverb Programs:

  • Hall - Clean and bright sounding space with subtile modulation and gradually building density.
  • Plate - Dark, highly diffused sound with high initial echo density and dark modulation.
  • EnsembleVerb - designed for wide spaces with deep modulation.
  • TremoloVerb - Large, bright and always moving with amplitude modulation at the output.
  • VintageVerb - Dark, noisy reverb modeled after the first digital reverbs from the late 70s. (10kHz bandwidth / 12bit processing).
  • Pricing and Availability.

Price: $5.99 in the US Apple AppStore.



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