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RHVoice

rhvoice.org

Free plan WindowsLinuxAndroid
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Spec score 7.8 #140 of 233 in Text-to-speech tools

Spec sheet

What it does
RHVoice is a free, open-source multilingual speech synthesizer.Read 12 Oct 2026 · rhvoice.org
Intended users
The project aims to help visually impaired people use screen readers with free voices in their native languages.Read 12 Oct 2026 · rhvoice.org
Platforms
windows,linux,androidRead 20 Sep 2026 · rhvoice.org
Free plan
YesRead 20 Sep 2026 · rhvoice.org
Support
The project lists GitHub Discussions and a Russian-language mailing list as official community channels.Read 12 Oct 2026 · github.com
License
The main library is LGPL v2.1 or later, while the combination with MAGE is GPL v3 or later; some individual voices have separate restrictions.Read 12 Oct 2026 · github.com
Android integrations
The RHVoice Android app provides downloadable voices and can be used with TalkBack and other text-to-speech apps.Read 12 Oct 2026 · rhvoice.org
Export formats
WAVRead 20 Sep 2026 · rhvoice.org
Languages
The language page lists Albanian, Croatian, Czech, English, Esperanto, Georgian, Kyrgyz, Luxembourgish, Macedonian, Nepali, Polish, Brazilian Portuguese, Romanian, Russian, Serbian, Setswana, Slovak, Spanish, Tatar, Turkmen, Ukrainian, Uzbek, and Southern Vietnamese.Read 12 Oct 2026 · rhvoice.org
Linux installation
Linux installation options include a Snap package, distribution-specific packages, and compiling from source.Read 12 Oct 2026 · rhvoice.org
Linux integration
On Linux, RHVoice connects to Speech Dispatcher, which Orca uses to work with text-to-speech engines.Read 12 Oct 2026 · rhvoice.org
Linux limitation
The Snap installs the engine and Speech Dispatcher module, while voices must be installed separately using the command-line voice manager.Read 12 Oct 2026 · rhvoice.org
Linux setup note
The page says Orca users may need to connect RHVoice to Speech Dispatcher manually because automatic registration is not known to be available.Read 12 Oct 2026 · rhvoice.org
Synthesis method
RHVoice uses statistical parametric synthesis based on open-source speech technologies, mainly HTS.Read 12 Oct 2026 · github.com
Voice licensing limit
The license page says RHVoice Lab voices are CC BY-NC-ND 4.0, and requests for integration into products require approval from the speaker and team.Read 12 Oct 2026 · github.com
Voices
Its voices are built from natural speech recordings and store statistical models on users’ computers.Read 12 Oct 2026 · github.com
Windows integrations
RHVoice works with NVDA and with Windows applications compatible with Microsoft Speech API Version 5, including JAWS.Read 12 Oct 2026 · rhvoice.org

Plans and prices

RHVoice Free Free and open-source speech synthesizer; some voice licenses restrict commercial use Read 12 Oct 2026 · rhvoice.org

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Where Specifiction places it

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