Live translation for churches, schools and communities

How a translated church service works

Tested languages

A language counts as verified here only after a native speaker has listened to a real session and judged the translation. Everything else a provider offers should work, but check it with real speech before you rely on it.

Gemini, pair by pair

Every pair of English, Spanish, Portuguese, French, Haitian Creole and Russian works in both directions. The one weak spot is a Haitian Creole speaker translated into English: usable, but less accurate than the rest. Romanian has so far been checked into English only, where it works well.

The full lists, and how to choose a provider for each language, are in the languages guide.

Every room in the building, in every language

• The main service — one mic, every language, with a printable join flyer and a projector caption wall.
• Classes and groups — each class runs its own languages and its own speaker; people can join before class starts and connect the moment it begins.
• The congregation speaks back — a phone can request the mic, one voice at a time, moderated from the presenter's screen. Speaking needs a secure connection, so a phone accepts your server's certificate once before its first turn.
• Room audio — route any room's translation to a speaker, an FM transmitter, or a Raspberry Pi output box per room.
• Private huddles — attendees can spin up a temporary translated group with a PIN and QR, gone when they're done.

Captions on the big screen

Put every language up on a projector or TV, side by side, for people without a phone. Plug the screen into the laptop running Lithos and tick it on the This computer tab, or open the projector page in any smart TV or laptop browser on the same WiFi. From there you choose its languages, a column, row or grid layout, and when to show the join QR. It uses the same captions as the phones, so it adds nothing to your costs.

How to set up a screen →

See where every voice goes

The Room audio graph follows microphones through rooms and languages to the speakers they feed. See a phone take the floor, spot an output that needs attention, and test the room before people arrive.

Yours, not rented — no platform, no subscription

Lithos runs on your own hardware — a laptop at the sound desk, a mini-PC in a closet, a Raspberry Pi. Your congregation's words go from your microphone to their phones over your network. The only outside service involved is the AI translation provider you choose, with your own API key (how to get one) and their per-minute pricing in plain sight on the operator screen.