Shimmer Reverb

Parameters

Decay — Reverb decay amount, 0–0.99. Same role as in Dattorro — higher values produce longer tails. Shimmer reverbs are usually used at high decay settings (0.85–0.99) where the long tail is what makes the pitch-shifted character audible.

Shimmer — Amount of pitch-shifted reverb signal mixed back into the tail, 0–1. 0 = standard reverb (no shimmer). Higher values progressively add the pitch-shifted component — at full settings the tail develops the iconic “rising shimmer” character where each repeat sounds an octave (or other interval per shift) above the previous. The shifted content gets re-fed into the reverb, producing cascading shimmer.

Dry/Wet — Equal-power blend between dry (0) and reverb output (1).

Additional controls

Damping — Lowpass cutoff (in Hz) inside the feedback path, 500–16000. Same role as in Dattorro — controls how fast highs decay relative to lows. Shimmer reverbs benefit from moderately high damping (8–12 kHz) so the pitch-shifted content stays bright; too low and the shimmer gets muffled.

Size — Delay-line scaling, 0.3–1.0. Sets the simulated space’s size. Larger sizes (0.7+) produce more obviously ambient shimmer; smaller sizes (0.3–0.5) keep things more focused.

Modulation — Subtle pitch modulation in the tail, 0–1. Same role as in Native Reverb — small amounts (0.2–0.5) prevent metallic ringing on sustained tones and add liveness. With shimmer’s pitch-shifted character, modulation interacts to produce a chorusey/lush quality.

Shift — Pitch shift applied to the shimmer feedback, in semitones, −24 to +24. +12 (one octave up) is the classic shimmer interval. +7 (perfect 5th up) and +19 (octave + 5th) also work musically. Negative shifts produce “descending shimmer” — unusual but useful for sound-design. Other intervals (e.g. +3, +5) give chord-like cascading effects.

About Shimmer Reverb

Shimmer reverb (popularized by the Eventide H8000 and similar units, used heavily on cinematic strings, ambient guitars, and worship music) is a reverb where pitch-shifted copies are fed back into the tail, producing cascading higher (or lower) octaves that grow more prominent as the tail decays. The result is “pitched ambience” — beyond just a reverb, the space sings with octave clouds. Use it for: ambient pads with rising sparkle, ethereal vocal effects, post-rock guitar ambience, sound-design that wants gradual harmonic transformation in the tail. Lower shimmer for subtle “halo” effects; high shimmer for the full Brian Eno / Ambient Works character.

Generated 2026-05-05 from K2K_Dev@96730bdc by scripts/gen_lexique.py. Edit _intros/ or _overrides/, not this file.