Lectures
Students read or listen in their language as the lecturer speaks.
Universities
Every student follows the lecture in their language.
The lecturer speaks as usual. Students scan a QR code and read or listen on their own phones, with no app to download.
How far behind the speaker?About 2.4 seconds with Baian. Lower is better.
1.0 sOriginal captions2.4 sBaian translation2.7 sInterpreters
How often Baian was preferredOver professional translations · English into each language
- Arabic 58%preferred
- Hindi 65.5%preferred
- Korean 61.5%preferred
The line marks 50%: an even split.
On campus
Where does it help?
No app or receivers
Students scan a QR code and follow in their phone’s browser.
Ceremonies and open days
Translated captions on the hall screen through Projector view.
Revision
Past sessions stay on your page to read again.
What students see
What do students do?
They pick one of the languages you turn on, then read as the lecturer speaks, or listen through their own headphones where audio is available.
Setup
How do we set it up?
Three steps before the lecture. No receivers, booths or student accounts.
- 01
Connect the stage audio
Plug the sound desk into a laptop by USB, or use an audio interface.
- 02
Open Baian on a laptop or tablet
Choose your languages and press start.
- 03
Share the QR code
Attendees scan it and follow on their own phones.
Questions
Questions from universities.
Do students need to download an app?
No. They scan a QR code or open a link and follow in their phone’s browser. There’s no app and no account.
Can students follow a lecture in their own language?
Yes. The lecturer speaks as usual. Students scan a QR code and read the translation, or listen with headphones, on their own phones.
What does the lecture theatre need?
A laptop or tablet connected to the lectern microphone or the room’s sound system, by USB or an audio interface, and internet for the laptop and students’ phones. We can walk your campus AV team through setup.
Can students read the lecture again later?
Yes. Ended sessions appear under Previous Sessions on your page, with the translation in each language.
Does it work for graduation ceremonies?
Yes. Put translated captions on the hall screen through Projector view while families follow on their phones.
Hear it with your own event audio.
Bring a short recording, your languages and your audience size. We’ll show you the listener experience.
Arrange a demo WhatsAppSources and methodsEvery number on this page, with its test and date
- Live speech recognition (AssemblyAI real-time benchmark)AssemblyAI runs 25 August to 23 September 2026; Baian runs 13 to 15 October 2026
1st in Arabic (5.1%) and Korean (2.9%), 2nd in Russian and Danish. Fewer errors than all three OpenAI real-time models in 13 of the 14 languages we publish.
AssemblyAI real-time benchmarkMethod
FLEURS: short Wikipedia sentences read aloud. Measures how many words come out wrong.
AssemblyAI published scores for 14 real-time engines. We ran Baian’s live interpreter on the same test set.
We joined clips into 15-minute recordings with 1.5-second gaps and played them into Baian’s live interpreter in real time, like a microphone, with automatic language detection. AssemblyAI streamed each clip separately with the language set in advance. Scoring ignores punctuation, capital letters, Arabic vowel marks and how numbers are written. Our charts show 13 of AssemblyAI’s 14 engines; the full table is on AssemblyAI’s site.
- Baian against professional translators (FLoRes)October 2026
Caption Tool scored above the translators in Hausa, Swahili, Tamil and Urdu (preferred on 67% to 75% of sentences). Baian’s live interpreter had about the same overall quality in Arabic, Hindi and Korean.
FLoRes-200 professional translationsMethod
148 English sentences that also have professional human translations. Measures translation quality with Google’s MetricX-24 automatic judge.
Baian ran the test. The human translations come from the public FLoRes-200 set.
Baian worked from the spoken audio; the translators worked from text. We compared scores sentence by sentence and counted a result only when the 95% range did not cross zero and two runs agreed. “About the same” means the test found no clear difference; it does not prove the translations were identical.
- Live delay13 to 15 October 2026
Median 2.1 seconds across 53 recordings in 15 languages (1.3 to 2.7 seconds per recording).
Method
How long after a sentence ends its finished translation appears.
Baian, on its production Live service.
Measured on Baian’s production Live service from 13 to 15 October 2026, from the end of each spoken sentence to the finished English line in our captured listener feed. Earlier words in a long sentence wait longer than this. Spoken audio arrives a little after the text and was not measured.
- How quickly words appear13 to 15 October 2026
Estimated medians: the speaker’s words appear in their own language about 1.0 seconds after they are spoken, and the first translation covering a word about 2.4 seconds after it.
Method
Estimated from our captured listener feed for the same 53 recordings. The capture is incomplete, so some early previews are missing, and previews can still change before the sentence is finished. Times are measured to the feed, not to a phone screen.
- European Parliament interpreters2019
Median 2.69 seconds behind the speaker, across 180 speeches.