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Documentation Index

Fetch the complete documentation index at: https://bigbluebutton.com/docs/llms.txt

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Any user can enable automatic transcription of their own voice using their browser’s built-in speech recognition. Other users in the session can view those transcriptions without enabling transcription themselves.

Enable transcription for your voice

By default, the automatic transcription language selector is disabled. To have your voice transcribed, select the desired language from the dropdown in the join audio dialog. Language dropdown in the join audio dialog When transcription is active, a CC icon appears next to your name in the “who is talking” indicator. CC indicator next to user name

View transcriptions for other users

When at least one user has transcription enabled, a CC button appears for everyone. Select it to view captions for every speaker who has the CC indicator. You do not need your own audio transcribed to view captions for others. The location of the CC button depends on your device. On mobile, find the CC button in the three-dot menu in the top-right corner. CC button in the mobile three-dot menu On desktop, the CC button is in the lower-left corner. CC button in the lower-left on desktop Desktop users can change the caption display language by selecting the up arrow on the CC button. Language menu on the CC button
Automatic transcription is only available in browsers that support Speech Recognition — Chrome, Edge, and Safari. Joining from another browser displays a warning at the bottom of the join audio dialog.Unsupported browser warning

Enable the feature on your server

To enable automatic transcription for users of Chrome, Edge, and Safari, edit /etc/bigbluebutton/bbb-html5.yml and add the following to the public: section, then restart BigBlueButton:
public:
  app:
    audioCaptions:
      enabled: true