Linux · Utilities
Speed of Sound
Voice typing for the Linux desktop
by Antonio Zugaldia
Official site: flathub.org
About Speed of Sound
Speed of Sound is a voice-typing app for the Linux desktop.
By default, transcription runs entirely on-device, so no audio ever leaves your machine.
The app ships with a built-in multilingual Whisper model and supports additional models from the
Whisper, Parakeet, and Canary families to improve accuracy.
Offline, private transcription with popular open speech models (Whisper, Parakeet, Canary)
Multiple activation options: click the in-app button or use a global keyboard shortcut
Types directly into any app via XDG Desktop Portals (supports X11 and Wayland)
Optional text polishing with LLMs, supports self-hosted services like Ollama, vLLM, and llama.cpp
Optional cloud providers supported for resource-constrained hardware environments
Please visit speedofsound.io/getting-started after installation.
How to install Speed of Sound
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub io.speedofsound.SpeedOfSound
- Open Speed of Sound once it finishes installing.
Frequently asked questions
Is Speed of Sound free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where Speed of Sound is available to download. Flatnic doesn't host or modify any files.
How do I install Speed of Sound from the command line?
With Flatpak, run: flatpak install flathub io.speedofsound.SpeedOfSound. This installs it from the official source and keeps it updated.
Is Speed of Sound safe?
Speed of Sound downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.