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Why we built Baian

We started with a Friday sermon.

In a mosque, people can stand side by side and understand very different amounts of what is being said. We wanted more of them to follow the meaning.

The same room, different languages.

We began with the khutbah, the Friday sermon delivered in a mosque. A sermon can move between everyday speech, religious terms and quotations from the Quran, Islam’s scripture.

Following it takes more than recognising individual words. A listener needs to know when the speaker is quoting, when they are explaining, and how the current thought connects to what came before.

One vowel changed the meaning.

In an early test, a vowel was transcribed incorrectly in Quran 49:17. The resulting reading changed the religious meaning in a way we could not accept.

In Arabic, a short vowel can change how a word is understood. If the transcript gets that wrong, a fluent translation can carry the mistake straight through to the listener.

The verse concerns people treating their acceptance of Islam as a favour, and the response that God has favoured them through guidance to faith. You can read the original and a translation on Quran.com.

Give a quotation a source.

That experience helped shape how we built Baian. When it recognises an Arabic Quran passage, it can retrieve the verse reference, canonical Arabic and stored translations from a text collection.

The retrieved passage gives the translation something specific to work from. The speaker’s explanation remains separate, and earlier passages provide context for the current thought.

This depends on recognising the quotation and having suitable source text available. It reduces reliance on generating a quotation from memory; it does not make recognition or translation infallible.

The need reaches beyond a mosque.

Conferences and university events bring people together across languages too. A name, a quotation or a specialist term may carry more meaning than a word-by-word rendering can show.

We brought that work into Baian’s live interpretation and recorded-subtitle tools. At an event, people can follow while the speaker carries on. With a recording, the words and timing can be prepared and reviewed before publication.

Diplomatic and policy discussions make the same problem especially important. A short phrase can carry a position, a qualification or a commitment. Understanding the context matters.

People still need to check important meaning.

Automated transcription and translation can make mistakes. Religious teaching needs qualified review where the meaning is uncertain. Legal, medical and diplomatic settings may require accredited interpreters, confidentiality controls or other safeguards.

We build Baian to help people understand one another. For a high-stakes use, test it with the actual subject matter and decide where a qualified person must review or interpret.