## Why de-ess

Sibilance is the hiss-like burst on "s", "sh", and similar consonants — the part of a vocal that cuts through a mix and fatigues the ear. A de-esser detects that band and reduces its level only when it appears, leaving the rest of the performance untouched. De-Ess makes the reduction surgical: you hear less hiss, not less voice.

## Three engines

Wideband mode applies fast, broad reduction for the most transparent first pass. Split-band mode separates the sibilant band and compresses only it, preserving everything else. Spectral mode is the most surgical — it reduces the specific spectral region where the sibilance lives, useful when the vocal and the hiss share the same band.

## Dial it in

Set the detection frequency (2–16 kHz) to the sibilant band in your vocal, then shape the response with threshold, ratio, and range. Attack and release follow the natural envelope of sibilance, and up to 10 ms of lookahead lets the gain reduction start before the hiss. Listen mode solos exactly what the de-esser removes so you can hear what you're cutting, and stereo link keeps the image intact across both channels.

## Works where you work

De-Ess 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.

A transparent vocal de-esser for iPhone and iPad — tame harsh sibilance in any AUv3 host.

Wideband, split-band, and spectral engines — from a fast, broad tame to frequency-specific reduction that leaves the rest of the signal untouched.

Three de-essing modes

Set the detection center from 2–16 kHz so the de-esser tracks exactly the sibilant band in your vocal.

Sibilance frequency detection

Control how much and how often the de-esser engages — from gentle taming to firm clamping of loud sibilants.

Threshold, ratio & range

Attack and release follow the natural shape of sibilance, with up to 10 ms of lookahead so reduction starts before the hiss, not after it.

Transparent timing

Solo exactly what the de-esser is removing so you can hear and dial in the reduction precisely.

Listen mode

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

De-Ess: AUv3 Vocal De-Esser

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