Project

Reverie: AUv3 Plate Reverb

Plate, hall & spring reverb — studio space for voice and mixes

What it is

Reverie is an iOS AUv3 reverb effect with three algorithms — plate, hall, and spring — built on a real-time C++ DSP kernel. It runs inside any AUv3 host (AUM, GarageBand, Cubasis, Logic Pro for iPad, Loopy Pro, and more) with a dark, touch-first studio interface and full control over the sound: decay, size, pre-delay, damping, diffusion, low and high cut, modulation, and stereo width.

Who it’s for

Musicians, producers, and sound designers on iPhone and iPad who want a reverb they can shape — from tight plate and spring textures to wide halls — inline in their favorite AUv3 host.

Features

  • Three reverb algorithms

    Plate, hall, and spring in one plugin — switch between the signature of a classic metal plate, a wide concert hall, and a vintage spring tank.

  • Deep shaping controls

    Decay, size, pre-delay, damping, and diffusion take you from tight ambience to long, shimmering tails.

  • Tone shaping

    Low and high cut filters tame boom and sizzle so the reverb sits in the mix instead of fighting it.

  • Modulation

    Depth and rate controls add gentle movement to the tail for a richer, less static space.

  • Stereo width

    Widen or narrow the stereo field to fit the track — from a centered wash to a wide, immersive space.

  • Works in any AUv3 host

    Runs as an Audio Unit extension on iPhone and iPad — AUM, GarageBand, Cubasis, Logic Pro for iPad, Loopy Pro, and other compatible hosts.

Tech

  • Swift
  • SwiftUI
  • C++ DSP kernel
  • AUv3 extension architecture
  • Real-time audio
  • iPhone & iPad
  • iOS 16+
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Three reverbs in one plugin

Reverie ships three classic reverb algorithms in a single AUv3 plugin. The plate delivers the dense, fast-attacking signature of a metal plate. The hall opens up a wide, spacious concert room. The spring brings the lively, percussive character of a vintage spring tank. Switching algorithms keeps your mix settings — decay, damping, tone — and adapts the space instantly.

Shaped, not just dialed

A reverb is more than a knob. Decay and size set the space; pre-delay separates the source from the tail; damping shapes how the tail darkens over time; diffusion smooths the response. Low and high cut filters keep the reverb from clouding the low end or adding sizzle, while modulation depth and rate add gentle movement, and width places the space in the stereo field.

Real-time DSP

The reverb runs as a C++ DSP kernel on the audio render thread with the host's real-time priority — no offline processing, no artificial latency beyond the delay lines you dial in. Every parameter is smoothed to avoid clicks and zipper noise as you move controls, and the plugin passes audio through cleanly when bypassed.

Works where you work

Reverie is an Audio Unit extension, so it shows up like any other effect in AUM, GarageBand, Cubasis, Logic Pro for iPad, Loopy Pro, and other AUv3-compatible hosts. A dark, touch-first studio interface keeps every control reachable on iPhone and iPad.

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© 2026 Nathan Mathis