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Increase the HLS segment size in Brightcove

Improve caption 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.

  1. In Brightcove, go to Ingest Profiles and choose the profile that you use for your live streams.
  1. If you use a default Brightcove profile (like β€œPremium Live HD 1080p - Tier 2”), click to duplicate the profile
  1. For each rendition, update the segment_seconds value to 10:
    1. Notion image
  1. Save the profile
  1. Next time you create a live stream, select the new profile
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