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Noise Gator
What it is
Noise Gator processes microphone audio in real time to reduce noise, then routes the cleaned signal to a virtual audio device for use in other apps. It runs on Windows and macOS and is free under the MIT license. Discord, Teams, and Zoom are named as applications that can select the virtual device as a microphone input. DeepFilterNet is the default denoising engine, with dual-pass RNNoise offered as a lighter fallback. The audio controls include a highpass filter, suppression control, a voice-activity-driven noise gate, three-band EQ, and automatic gain normalization. Bluetooth headset audio is supported, and the device menu refreshes when devices connect or disconnect. The app can install VB-Cable on Windows or BlackHole on macOS. Prebuilt binaries are available from GitHub Releases. DeepFilterNet's runtime and approximately 8 MB model download on first use, with SHA256 verification. Settings are saved to a TOML file for the next launch, and headless mode is available for scripted or server use.
For and against
For
- Real-time microphone noise suppression
- DeepFilterNet with RNNoise fallback
- Bluetooth headset audio support
- Can install virtual audio drivers
- Headless mode available
Against
- Available only for Windows and macOS
- Model downloads on first use
The verdict
Noise Gator provides microphone noise processing and routes its output through a virtual audio device. It is a free, MIT-licensed option for Windows and macOS.
Who it suits
It suits Windows and macOS users who want to route noise-suppressed microphone audio into apps such as Discord, Teams, or Zoom. Its headless mode may also suit scripted or server use.
Plans and prices
Noise Gator
Standalone app · MIT licensed · Windows and macOS
Read 7 Oct 2026 · github.com
On the record
- Audio controls
- Its DSP pipeline includes a highpass filter, suppression control, a VAD-driven noise gate, three-band EQ, and auto-gain normalization.github.com · read 7 Oct 2026
- Build requirements
- Building from source requires stable Rust 1.85 or later, plus MinGW-w64 or MSVC on Windows.github.com · read 7 Oct 2026
- Configuration
- Settings are saved to a TOML file and restored on the next launch.github.com · read 7 Oct 2026
- Denoise engines
- It includes DeepFilterNet as the default engine and dual-pass RNNoise as a lightweight fallback.github.com · read 7 Oct 2026
- Device support
- The app supports Bluetooth headset audio and refreshes its device menu when devices are connected or disconnected.github.com · read 7 Oct 2026
- Download
- Prebuilt binaries are available from the GitHub Releases page, with the executable and ONNX Runtime DLL in the release ZIP.github.com · read 7 Oct 2026
- Headless mode
- The app supports a headless mode for scripted or server use.github.com · read 7 Oct 2026
- Integrations
- The README names Discord, Teams, and Zoom as applications that can use the virtual audio device as their microphone input.github.com · read 7 Oct 2026
- License
- The project is released under the MIT license.github.com · read 7 Oct 2026
- Model download
- DeepFilterNet’s runtime and approximately 8 MB model download automatically on first use, with SHA256 verification.github.com · read 7 Oct 2026
- Purpose
- Noise Gator processes microphone input in real time to suppress noise and routes the cleaned audio to a virtual audio device for use by other apps.github.com · read 7 Oct 2026
- Release status
- The Releases page lists v0.1.2 as the latest release.github.com · read 7 Oct 2026
- Security
- The README says DeepFilterNet downloads are verified with SHA256; it does not state a broader security or compliance certification.github.com · read 7 Oct 2026
- Virtual audio drivers
- It can automatically install VB-Cable on Windows or BlackHole on macOS.github.com · read 7 Oct 2026
