Select the audio track for transcription
Select which (audio) track to use as a source
CaptionHub Live uses the default audio track of the HLS stream as the source for transcription. You can customise this by going to the live project configuration, open “Advanced options” and specifying the “HLS transcription URL”.
You’ll need to restart the captioning process to pick up the captions.
Use cases
You can use this feature to:
- Select the source language in a multilingual stream
- Select the correct audio track in a stream with multiple encoding variants or backups
- Select a non-default audio track, for example an audio track without music, or the Audio Description track
- Fail over to a backup audio stream
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