On this page
The big picture
ChurchTranslator listens to the same sound your congregation hears, translates it while the speaker talks, and sends captions and a translated voice to every phone that scans your QR code. Your part is getting a clean audio feed to one computer at the sound booth.
Before you start
You need:
- A ChurchTranslator account that can open the dashboard: the owner, or someone added on the Team members page.
- A computer at the sound booth that can stay on for the whole service (see the options below).
- A way to get the service audio into that computer. Step 2 explains the options.
- Internet at the booth. A wired connection is the safest choice.
- One or two phones and a pair of headphones for the listening test.
- A printer for the QR code.
And two decisions: the language your preacher speaks, and the language or languages your visitors need.
A Mac
macOS 14 (Sonoma) or newer, Apple silicon or Intel. The recommended choice for weekly services.
A Windows PC
Windows 10 or 11, 64-bit.
Any computer with a browser
Browser Capture needs no install. Best as a backup or for one-off events.
Set it up in seven steps
Step 1: Send a feed from the soundboard
ChurchTranslator can only translate what it hears, so give it a clean feed of the voices you want translated.
- Pick a spare line-level output on the board: an aux or mix send, a matrix output, or a record (2-track) output.
- Put the speaking microphones in that mix: the pulpit or lectern mic, plus any others used for announcements, readings or prayer.
- Keep speech clearly louder than the band. Music doesn't need to be in this feed at all.
- Stereo or mono both work. If you pick more than one channel in the capture app, it combines them.
Step 2: Connect it to the booth computer
Use whichever of these matches your setup:
Analog board, or any spare output
Run a cable from that output into a USB audio interface, and plug the interface into the computer. Install the maker's driver if it needs one.
Digital board with USB audio
Plug the board straight into the computer over USB. Its channels show up as an input device.
Network audio
For example Dante or SoundGrid: install and start the virtual soundcard on the booth computer, then pick the channels carrying the speaking mics.
The computer already plays the service
A livestream or video call? No cable needed: pick the computer's system audio in step 4. On a Mac this needs macOS 14.2 or newer.
Step 3: Install the capture app and sign in
On the booth computer, sign in to the dashboard and open the Capture app page.
- Click Download ChurchTranslator.AI.dmg.
- Open the downloaded file, drag ChurchTranslator.AI into Applications, and double-click it. If macOS asks whether you're sure you want to open it, click Open.
- When macOS asks for microphone access, click Allow.
- In the app, click Sign in with browser, sign in with the email you use for ChurchTranslator, then come back to the app. It now shows your church's name.
- Click Download for Windows (Setup.exe) and run it. The app is called ChurchTranslator.AI Capture.
- The first time, Windows may show Windows protected your PC. Click More info, then Run anyway.
- The first install shows one administrator prompt to add a Microsoft runtime. It only happens once.
- In the app, click Sign in with browser, sign in with the email you use for ChurchTranslator, then come back to the app.
Rather not run an installer? The same card has Download the portable ZIP.
- Find the Browser Capture card and click Open Browser Capture. A capture page opens in a new tab, already linked to your church.
- Keep that tab visible while streaming, and keep the computer plugged in.
- Browser Capture always uses the Natural Voice engine.
- With a multichannel interface, a browser usually sees only the first two channels. Send your feed to channels 1–2, or use the Mac or Windows app.
Step 4: Choose the audio input and check the meter
- Open gear, then Settings…, then Audio.
- Under Input device, pick your interface or board. The computer's own sound is listed under System audio (loopback).
- A device with several channels shows a channel list with a meter on each row. Have someone talk at the pulpit, tick the channels whose meters move, and click Save (it reads Apply while you're streaming).
- With system audio, macOS asks for System Audio Recording permission the first time you press Start. Allow it. The meter stays still until you press Start.
- Open gear, then Settings….
- Under AUDIO INPUT, choose your device in Capture device. System audio devices end in “(system audio)”.
- For a multichannel device, tick the channels carrying the speaking mics and click Save.
- Click Done.
- Choose the input under Audio capture.
- Tick the channels carrying the service under Channels — tick the ones carrying the service feed.
- If the feed comes from a mixer, also tick Mixer / line feed (raw levels, no auto-gain).
Check the meter
Step 5: Choose your languages
In the dashboard, open the Languages page. It starts with the speaker's language, then your translated languages, with the engine and voice settings further down.
- Set the speaker's language under Sermon language (source). It saves as soon as you pick it and doesn't change your bill. Visitors who choose this language get captions of the speaker's own words.
- Pick the languages for your visitors. In the full list, click a language's name to turn it on or off. Where you see ▶, click it to hear a sample voice first.
- Save. A Pending changes card appears with how many languages are selected and whether your monthly price changes. Click Save languages. If you're over your plan's language limit, the card says so: remove a language, or upgrade your plan on the Billing page first.
- Check the result. The Currently enabled card lists the speaker's language, marked source · always on, and every translated language.
Engine and voice. For your first Sunday, keep the engine your church already has. For most churches that's Natural Voice (V2) — Recommended. You can also pick Live Interpreter, which follows the speaker's own voice and tone. With Natural Voice or Live Interpreter, the Steady voice card offers one consistent voice for the whole service; leave it as it is for now. Some churches also see a Bilingual service or an Arabic card: leave those alone unless they apply to you.
Step 6: Rehearse with a headphone test
Do this on a weekday with someone reading or preaching at the pulpit.
- Start. In the capture app, click Start streaming. The app's status bar reads “streaming”; in Browser Capture the status reads Live.
- Watch the dashboard. On the Sunday dashboard, the status card changes from Idle to Starting, and to Live once a phone or a caption screen opens a translated language.
- Open the listener page on a phone. Use the Welcome screen link under Listener URLs to share on the Sunday dashboard, the Direct listener URL on the Branding & QR page, or your QR code if you already have one. Under Choose a language, tap a translated language.
- Check the captions. They appear as the speaker talks and follow what's being said.
- Turn on the voice. Plug in headphones and tap the headphones button in the bar at the bottom. It's labelled in the language you picked (in English, listen, then listening). Audio stays off until a visitor taps it, so everyone starts with captions only.
- Try the speaker's own language with the globe button in the same bar. You should see captions, and the headphones button is greyed out: there's nothing to translate.
- Test a second phone on another language if you have one. The Live now card on the Sunday dashboard shows how many listeners are connected, and on which languages.
- Stop. Click Stop in the app (Stop streaming in Browser Capture). Streaming time counts toward your plan's hours, so always stop when you're done. The phone's status changes from Session live to Waiting.
Step 7: Print and post the QR code
- Optional, first: on the Branding & QR page, add your logo and tagline. Visitors see them on the Welcome screen.
- Scroll to QR & signage. From the Sunday dashboard you can also click Customize and print → next to Printable QR.
- Under Customize, set a Headline and Subhead or keep the suggested wording, then choose a Layout:
- Poster (8.5×11) for the back of the room or the hallway;
- Card (3×4) for bulletin inserts and handouts;
- Pew strip (8×3), three per sheet, for the back of each pew;
- Slide (16:9) for the projector or announcement loop: pick the languages to list, then Download light or Download dark.
- Click Print. To keep a copy, choose Save as PDF in your browser's print dialog.
- For bulletins, slides or your website, Download the QR code gives you a PNG image or an SVG (any size). Direct listener URL has a Copy URL button for email and social posts.
- Scan your printout with a phone before you post it. It should open your church's listener page.
- Post it where visitors will see it: at the entrance, at the back of the sanctuary and in the bulletin.
- Back on the Sunday dashboard, click Mark done next to Print + post the listener QR.
On Sunday morning
- Before the service, open the capture app and check that the meter moves when someone speaks.
- Click Start streaming before the part of the service you want translated.
- Check on a phone, with headphones.
- Click Stop when the service is over.
Hand the person running the booth the one-page Sunday volunteer card. It covers Start, listening, monitoring and Stop, plus what to do about no sound, a wrong language or lag.
Troubleshooting
The meter in the app doesn't move
No audio is reaching the computer. Work along the chain from the board:
- Is the board's send turned up, with the pulpit mic in it?
- Is the cable in the right output and input, and the interface plugged in and powered?
- Is the right device picked in the app's settings (step 4)?
- Has the app been allowed to use the microphone in the computer's privacy settings?
Using system audio on a Mac? The meter only moves once you press Start.
The phone says Waiting
The booth isn't streaming. Click Start streaming in the capture app. If the app shows a gray notice under its buttons, it says why it stopped: do what it says, then start again.
Captions show, but there's no voice
- Tap the headphones button at the bottom of the phone screen, check the volume, and check the headphones are connected.
- On the speaker's own language a phone only gets captions. Pick a translated language with the globe button.
- If the phone says Audio paused by your phone — tap to resume, tap it.
The translation is from the wrong language
If the preacher is speaking a different language than the one set, the dashboard shows a notice such as “The speaker sounds like…” with a Switch to … now button. Switching restarts the translation with a short pause for listeners. It also becomes your usual sermon language, so set it back on the Languages page afterwards.
The Sunday dashboard stays on Starting
That's normal until someone opens a translated language on a phone or a caption screen. Open one, and it changes to Live.
A language says it's temporarily unavailable
If a phone shows This language is temporarily unavailable, or the Sunday dashboard shows Language down, it usually recovers by itself. Try another language meanwhile, and email us if it lasts.
More Sunday-morning fixes, including lag, are on the volunteer card.
Next steps (optional)
Start on a schedule
Add your service times and let the booth computer start and stop by itself.
Add a second admin
Invite someone on the Team members page, so you're not the only person who can run a service.
Choose your emails
On the Notifications page, turn on the Dead-air warning for a running service that has heard no speech for about 20 minutes.
Already streaming through software, a hardware encoder or a Zoom meeting? You can send that audio without a capture app: see the Streaming, Zoom & Meet page and the Zoom and Meet guide.
Still stuck?
Email help@churchtranslator.ai with your church's name and what you see on screen, or visit the Support page.