Transcription service in BBB works with Google Chrome browser only using same API as Accessibility in speech-to-text function in it.
List of supported languages is here
Moderator should enable live captions on meeting start dialog (when mic is enabled) to record closed caption stream.
if you want to add more languages, Please inform
Gladia engine is supported too. It works in any browser and supports live translation of voice to text to selected language
technically transcription service is possible with Vosk engine, but list of languages is limited and resources for additional container or service is required. separate service for each language, list of available languages is very short.

