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NoiseTorch-ng

NoiseTorch-ng is a free, open-source Linux application that reduces microphone noise in real time.

Place
#11 of 24
Score
6.0
NoiseTorch-ng's website

What NoiseTorch-ng is

NoiseTorch-ng is a free, open-source Linux application that reduces microphone noise in real time. It uses RNNoise and works with PulseAudio or PipeWire, creating a virtual device named “Filtered Microphone” that other applications can use. The project describes setup as a two-click process, and distributes the application as a small, self-contained statically linked binary. OBS, Mumble, and Discord are among the applications where users can select the filtered microphone. The Voice Activation Threshold can be set as high as 95%, or to 0% to reduce noise without switching the microphone off. An optional virtual “Filtered Headphones” output lets users route application audio through output filtering. Microphone filtering adds 10 ms of inherent latency; output filtering is approximately 100 ms with PulseAudio. The project reports a suspected breach involving its update server and repository, says it found no malicious code, and says updates come from GitHub releases. GitHub lists no SECURITY.md file or published security advisories. Troubleshooting instructions, including how to collect debug logs, are in the project wiki.

Good

  • Free and open source
  • Supports PulseAudio and PipeWire
  • Creates a virtual filtered microphone
  • Voice threshold is adjustable up to 95%
  • Wiki includes troubleshooting and debug-log guidance

Watch out

  • Linux only
  • Microphone filtering adds 10 ms latency
  • PulseAudio output filtering is approximately 100 ms
  • Repository has no SECURITY.md or published advisories

Who it suits

It suits Linux users who want real-time microphone noise reduction in applications such as OBS, Mumble, or Discord. Users of PulseAudio or PipeWire can choose between those supported audio systems.

Verdict

NoiseTorch-ng offers microphone filtering for Linux with virtual audio devices and adjustable voice threshold settings. Readers should weigh the listed filtering latency and the project's reported suspected breach when considering it.

Plans and prices

From NoiseTorch-ng's own pricing page, checked 1 Oct 2026.

All about pricing
PlanPriceWhat it gives you
FreeFreeLinux · PulseAudio or PipeWire

The facts

Each one read from NoiseTorch-ng's own pages, with the date it was checked.

What it does

Audio systems
It supports PulseAudio or PipeWire.checked 1 Oct 2026
Binary
NoiseTorch-ng is distributed as a small, statically linked, self-contained binary.checked 1 Oct 2026
Integrations
The README names OBS, Mumble, and Discord as applications where the filtered microphone can be selected.checked 1 Oct 2026
Latency
Microphone filtering introduces 10 ms of inherent latency, while output filtering is approximately 100 ms with PulseAudio.checked 1 Oct 2026
Noise reduction
It uses RNNoise for noise suppression.checked 1 Oct 2026
Output filtering
Applications can be routed through a virtual “Filtered Headphones” output.checked 1 Oct 2026
Purpose
NoiseTorch-ng is an easy-to-use open-source application for Linux that suppresses microphone noise in real time.checked 1 Oct 2026
Release
The latest listed release is v0.12.2, released June 17.checked 1 Oct 2026
Security incident
The project reports a suspected update-server and repository breach, says no malicious code was found, and says updates are retrieved from GitHub releases.checked 1 Oct 2026
Security policy
GitHub reports that the repository has no SECURITY.md file and no published security advisories.checked 1 Oct 2026
Setup
The project describes a two-click setup for its virtual denoising microphone.checked 1 Oct 2026
Support
Troubleshooting guidance is provided in the project wiki, including instructions for collecting debug logs.checked 1 Oct 2026
Virtual microphone
The application creates a virtual microphone called “Filtered Microphone.”checked 1 Oct 2026
Voice threshold
Its Voice Activation Threshold can be set as high as 95%, or to 0% to dampen noise without deactivating the microphone.checked 1 Oct 2026

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