Increase the HLS segment size in Brightcove
Improve transcription quality for your Brightcove live stream
There are a number of things you can do to improve live caption quality. Increasing the segment size of your HLS stream will allow CaptionHub to improve the caption quality. The recommended segment size is 10 seconds. The minimum is 5 seconds.
- In Brightcove, go to Ingest Profiles and choose the profile that you use for your live streams.
- If you use a default Brightcove profile (like “Premium Live HD 1080p - Tier 2”), click to duplicate the profile
- For each rendition, update the
segment_secondsvalue to 10:
- Save the profile
- Next time you create a live stream, select the new profile
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