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Noise Suppression for Voice

Noise Suppression for Voice is a free plugin for real-time microphone noise reduction, based on Xiph’s RNNoise.

Place
#16 of 24
Score
5.7
Noise Suppression for Voice's website

What Noise Suppression for Voice is

Noise Suppression for Voice is a free plugin for real-time microphone noise reduction, based on Xiph’s RNNoise. It targets sounds including computer fans, office and crowd noise, aircraft, cars, trains and construction. The plugin supports VST2, VST3, LV2, LADSPA, AU and AUv3 formats, with a compact interface for parameters and diagnostic statistics. Voice Activity Detection can silence audio below a configurable voice-probability threshold; grace-period settings are intended to reduce cutoffs around the beginnings and endings of words. It requires 16-bit audio at 48000 Hz and works with one or more channels. Setup documentation covers Equalizer APO on Windows and PipeWire and PulseAudio on Linux; the maker also reports testing with Carla and Audacity on Linux. The macOS section invites contributions but leaves setup instructions unfinished. The project is licensed under GPL-3.0. The maker cautions that weak microphone quality may not improve and that the plugin can mistake speech for noise.

Good

  • Targets several common environmental noise types.
  • Supports six plugin formats.
  • Voice detection includes threshold and grace-period controls.
  • Free under GPL-3.0.

Watch out

  • Requires 16-bit audio at 48000 Hz.
  • Poor microphone quality may limit improvement.
  • Speech can be misclassified as noise.
  • macOS setup instructions are unfinished.

Who it suits

It may suit people seeking real-time microphone noise suppression on Linux, macOS or Windows, particularly if they can use one of its supported plugin formats. Users wanting macOS setup guidance should note that those instructions are not yet provided.

Verdict

Noise Suppression for Voice offers configurable real-time suppression across several plugin formats and desktop platforms. Its audio requirements and the risk of speech cutoffs are important considerations.

The facts

Each one read from Noise Suppression for Voice's own pages, with the date it was checked.

What it does

Audio requirements
The plugin requires 16-bit audio at 48,000 Hz and supports one or more channels.checked 3 Oct 2001
Compatibility
The maker reports testing with Equalizer APO v1.2 x64, PipeWire on Arch Linux, Carla on Linux, and Audacity on Linux.checked 2 Oct 2001
Controls
Release v1.21 lists Wet/Dry controls, an updated RNNoise model, and runtime CPU detection for AVX2, SSE, or default paths.checked 3 Oct 2001
Integrations
The README says the plugin was tested with Equalizer APO on Windows and PipeWire, Carla, and Audacity on Linux.checked 3 Oct 2001
Latest release note
Version 1.21 lists an updated RNNoise model, wet/dry controls, and runtime CPU detection for AVX2, SSE, and default paths.checked 2 Oct 2001
License
The project is licensed under GNU General Public License v3.0.checked 2 Oct 2001
License and contributions
The project is licensed under GPL-3.0, and the README welcomes improvements and asks contributors to open an issue before sizeable contributions.checked 3 Oct 2001
Limit
The maker cautions that the plugin may not improve poor microphone audio and could misclassify voice as noise.checked 3 Oct 2001
Noise types
The project says it is meant to suppress noise such as computer fans, office and crowd noise, and sounds from airplanes, cars, trains, and construction.checked 3 Oct 2001
Plugin formats
The README lists VST2, VST3, LV2, LADSPA, AU, and AUv3 formats.checked 3 Oct 2001
Purpose
It is a real-time voice noise suppression plugin based on Xiph’s RNNoise.checked 3 Oct 2001
Security
The repository's Security and quality tab shows 0 security items.checked 2 Oct 2001
Support
The maker welcomes improvements and asks contributors planning sizeable changes to open an issue first.checked 2 Oct 2001
Voice detection
Voice Activity Detection settings can silence audio below a configurable voice probability threshold, with grace periods to help avoid cutting off word endings or beginnings.checked 3 Oct 2001

Where it runs

Linux integration
The README documents setup with PipeWire and PulseAudio.checked 2 Oct 2001
Linux setup
The README provides setup instructions for PipeWire and PulseAudio, including creating a noise-reduced microphone source.checked 3 Oct 2001
macOS status
The README’s macOS section says contributions are welcome and setup instructions are TODO.checked 3 Oct 2001
Windows integration
On Windows, the README describes enabling the VST2 plugin in Equalizer APO.checked 2 Oct 2001

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