Frederic Corvest’s FAC Alteza specializes in pitch-shifted reverb where the tail rises in pitch over time, creating the characteristic “shimmer” effect popularized by hardware units like the Eventide H3000. Unlike simpler shimmer reverbs that apply fixed pitch shifts, Alteza allows users to control the pitch interval, feedback amount, and regeneration characteristics, enabling effects ranging from subtle harmonic enhancement to extreme, cascading pitch ascension. The integrated ducker reduces the reverb level when the dry signal is present, preventing muddiness in dense mixes.
The plugin runs on iPhone and iPad as an AUv3 with standalone support, maintaining low latency suitable for live performance. Within hosts like AUM or Cubasis, users can automate the pitch interval to create rising or falling harmonic structures throughout a track. The stereo processing ensures wide, immersive images even with mono input sources.
The pitch shifters, while high quality, introduce noticeable latency that can cause comb filtering when mixed with dry signals in real-time monitoring situations. The ducker’s release time is not adjustable, limiting its effectiveness in certain rhythmic contexts.
- Exospheric stereo reverb with pitch-shifted regeneration
- Feedback processor with adjustable pitch intervals
- Integrated ducker for clean dry/wet interaction
- Modulation and stereo width controls for spatial expansion
- High/low-pass filters for frequency-specific processing
App price: $9.99
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