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Noise Removal and Repair

MuseFX Noise Gate

A noise gate. Part of the Muse FX pack.
Details
See the pack for installation instructions.
A noise gate keeps noise in quiet parts out while not affecting the audio you want at all.
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MuseFX De-Ess

An easy to use de-esser. Part of the Muse FX pack.
Details
See the pack for installation instructions.
Has presets for female and male voices, harshness, sibilance, steel guitar and strings rosin.
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ReaFIR

A multi-purpose dynamics processor, can be used for EQ, compressor, gate and noise reduction purposes. Part of ReaPlugs.
REAPER | ReaPlugs
Download page
Hint: ReaFIR in Subtract mode can be used to remove noise.
Details
Copyright (C) 2006-2016, Cockos Incorporated VST PlugIn Technology by Steinberg Media Technologies GmbH
Information from the vendor:
  • FFT based dynamics processor
  • Supports FFT sizes of 128-32768
  • Useful in/out frequency response display
  • Supports defining response curves both using any number of points, or freehand mouse
  • EQ - can be used as a linear phase mastering EQ, or as a super-effective surgical EQ
  • Compressor - can compress at a fixed ratio with a per-band threshold
  • Gate - can gate with per-band threshold
  • Subtract - can build noise profiles and subtract noise from the signal
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ReaGate

A noise gate effect, part of ReaPlugs.
REAPER | ReaPlugs
Download page
Details
Copyright (C) 2006-2016, Cockos Incorporated VST PlugIn Technology by Steinberg Media Technologies GmbH
Information From the vendor:
  • Ultra-configurable gate
  • Sidechain filters, sidechain input
  • Lookahead for pre-open
  • Hold control
  • Hysteresis control
  • Variable RMS size
  • Can send MIDI events on gate open/close
  • Wet/dry mix, noise mix (can add noise when gate is open)
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NVIDIA Broadcast

A virtual device that sits between your microphone and Audacity and other programs which allows you to use an AI denoiser.
Caution: NVIDIA Broadcast only works on Windows machines with a NVIDIA RTX GPU.
Further, it only works on spoken word content; musical content is treated as noise and filtered out.
Details
Copyright © 2022 NVIDIA Corporation
Requires NVIDIA GeForce RTX 2060, Quadro RTX 3000, TITAN RTX or higher
Technically, NVIDIA Broadcast isn't a plugin but a virtual device. You will find it in Audacity's audio settings as an input. It does not show up in the Plugin Manager.

See also