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SPECIFICTION
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HushMic

github.com

Linux
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Spec score 7.2 #16 of 24 in AI Noise Cancellation Software

Spec sheet

Purpose
HushMic provides real-time microphone noise suppression for Linux as a system-wide virtual microphone.Read 7 Oct 2026 · github.com
Integrations
HushMic creates a PipeWire virtual microphone that can be selected as input in Discord, TeamSpeak, OBS, or a browser.Read 7 Oct 2026 · github.com
Privacy
The maker states that audio stays on the machine and nothing is uploaded.Read 7 Oct 2026 · github.com
License
HushMic is available under either the MIT or Apache-2.0 license.Read 7 Oct 2026 · github.com
Maker
The GitHub profile identifies the maker as Fovty (Johannes).Read 7 Oct 2026 · github.com
Audio processing
The project states that processing adds 80 ms of latency and runs on the CPU.Read 7 Oct 2026 · github.com
Controls
Users can switch among suppression, bypass, mute, and off modes, including through command-line controls.Read 7 Oct 2026 · github.com
CPU limits
On CPUs without AVX2, the quality model can use about a third of a fast desktop core and more than a whole core on slow chips; on slow chips HushMic runs the light model on its own.Read 5 Oct 2026 · github.com
Desktop shortcuts
Global shortcuts support mute, bypass, push to talk, and push to mute, subject to desktop and portal support.Read 7 Oct 2026 · github.com
Distribution
The project lists installation options for Debian or Ubuntu, Arch Linux, Fedora, NixOS, and AppImage.Read 7 Oct 2026 · github.com
Latency
The project reports 80 ms of processing latency, plus PipeWire's own buffering.Read 5 Oct 2026 · github.com
Licensing
The project is available under either the MIT or Apache-2.0 license, at the user's option.Read 5 Oct 2026 · github.com
Local processing
Audio processing runs on the CPU, and the project says audio is not uploaded.Read 5 Oct 2026 · github.com
Mic testing
The mic test window can show raw and cleaned audio side by side and record a 10-second sample for playback.Read 7 Oct 2026 · github.com
Microphone test
The mic test can show raw and cleaned audio side by side and record a 10-second sample for playback.Read 5 Oct 2026 · github.com
Noise removal
It uses DPDFNet to remove keyboard noise, fan noise, and background chatter from microphone audio.Read 7 Oct 2026 · github.com
Noise suppression
It uses the DPDFNet model to reduce keyboard noise, fans, and background chatter from microphone audio.Read 5 Oct 2026 · github.com
Notable limitation
A Flatpak build is documented, but the maker says there is no Flathub listing yet and the host needs PipeWire 0.3.65 or newer.Read 7 Oct 2026 · github.com
Performance options
Users can choose a quality model or a lower-CPU light model, and HushMic can use a native engine or ONNX Runtime.Read 7 Oct 2026 · github.com
System requirements
The listed requirements are Linux on x86-64 with PipeWire and WirePlumber; PulseAudio apps need pipewire-pulse.Read 7 Oct 2026 · github.com
Target users
The project describes its goal as bringing Linux users noise suppression comparable to Krisp in an app-like installation.Read 5 Oct 2026 · github.com

Where Specifiction places it

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