Audio plugin · Dialogue gate

Dvlce Duet

Two mics. One talks, the other ducks.

A mutual ducking gate for podcasts, interviews and dialogue. When one speaker talks, the other mic drops by a set depth. Bleed reject keeps the quiet mic ducked even though it hears the talker. Works as a stereo pair in any host, or keyed by sidechain in FL Studio and Pro Tools.

Windows v0.1.1 (.zip)macOS v0.1.1 (.zip)GitHub →

VST3 · AU · Standalone · Windows 10/11 (signed) · macOS 11+ universal (not notarised)

Dvlce Duet editor: level and duck meters for speakers A and B, mode controls and ten knobs

Two ways in

Stereo pair — any host

One stereo track: speaker A on the left, speaker B on the right. Output Separate keeps them apart; Mixed gives one centred dialogue track.

Sidechain — one per speaker

Duet on each speaker’s track, each keyed from the other. A mono or stereo key works.

In your host

AudacityPut the two mono tracks above each other, choose Make Stereo Track, then Effect › Dvlce Duet. Split Stereo to Mono gives the two gated tracks back, or set Output to Mixed for one finished track.

Premiere ProMerge the two clips into one stereo clip (A left, B right) and add Duet as a clip effect with Output set to Mixed.

FL StudioPut Duet on both speakers’ mixer tracks in Sidechain mode. Sidechain each track to the other one and pick it as the plugin’s sidechain input.

Pro ToolsSidechain mode with a mono key input from the other speaker. The AAX build is coming; the VST3 and AU builds are out now.

Controls

Threshold A / BPer mic: above this level the speaker counts as talking

DepthHow far the silent speaker drops, down to full mute

Bleed rejectThe other voice leaking into a mic does not open it

Open / Hold / CloseFast open, hold through pauses between words, smooth duck

LookaheadOpens before the first word (adds that much latency)

OverlapBoth talking: let the crosstalk through, or the louder one wins

Gate when idleNobody talking: duck both mics too

Detector HPRumble and plosives do not trigger the gate

Install

Windows: copy Dvlce Duet.vst3 to C:\Program Files\Common Files\VST3\ and rescan plugins.

macOS: copy the .component to ~/Library/Audio/Plug-Ins/Components/ and the .vst3 to ~/Library/Audio/Plug-Ins/VST3/. If macOS blocks it, run xattr -dr com.apple.quarantine on the plugin once.

Licence

Free for non-commercial use. If you make money with it, you need a commercial licence first.

Personal podcasts, hobby, study and non-profits are free (PolyForm Noncommercial 1.0.0). Client work, a monetised show, use inside a company, or selling or bundling it needs a licence from the author.

Ask for a commercial licence →