Supported HLS streams
Which streams are supported by CaptionHub Live
HLS support
We currently support streams from the following providers:
Other HLS streams
It’s likely that CaptionHub Live is compatible with the output of your streaming provider. We support both traditional HLS and CMAF HLS. Please contact us if you want to discuss compatibility of your streaming setup.
HLS stream requirements
- The stream needs to be publicly accessible
- The stream can’t use encryption or DRM
- Segments need to have a
#EXT-X-PROGRAM-DATE-TIMEtag in order to be used with a player plugin.
- The minimum segment size is 5 seconds, and minimum total playlist size is 15 seconds. LL-HLS is not supported.
- The HLS stream needs to allow CORS in order to provide a preview inside CaptionHub.
Supported HLS features
- When using separate audio playlists, the default audio stream will be transcribed. You can also override the track used for transcription.
- We support MPEG-TS or Fragmented MP4 (fMP4) video. Using Packed Audio is also supported.
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