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real-time captioning
for live webcasts:
lessons and issues
Intersteno 2015, Budapest, 2015-07-21
Richard Gatarski, Westrea...
please note
I am not looking into:
Broadcast television
TV sets
DVB-S/C/T
I aim for (live) web video
(and here captions ≈ ...
about us
WestreamU provides affordable
full service packages for
live streamed web TV.
- designed, affordable, fast
- on l...
a large production
Costs lots of money!
extremely affordable
tablet productions
the basics
production
streaming service (CDN)
viewers
background
I started as a pro in 2009.
One customer asked:
- Can you do live subtitles?
- Can you do live sign interpretat...
live (remote) signing, May 2015
needed
My (unusual) requirements:
- Support captioners/reporters/etc
- Format lines for video
- Record text, with time sta...
live captions/subtitles
Many experiments…
- DOS-based hardware
- SubPly services for Livestream
- Capblaster (own open sou...
Cablaster, May 2013
current approach
Text-on-top Video (beta), May 2015
Text-On-Top Video
Intersteno 2015, Text-on-top
Intersteno 2015, WestreamU
Intersteno 2015, behind the cam
questions?
Some (of the many) issues:
- captions insertion point
- remote reporting
- delay and synchronization
- on deman...
the future begins
Thank you!
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Real-time captioning for live webcasts: lessons and issues

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This is my presentation during the conference part of Intersteno2015, July 21. For more information, see http://westreamu.se/2015/07/30/westreamu-presented-about-live-captioning-at-intersteno-2015

Published in: Technology
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Real-time captioning for live webcasts: lessons and issues

  1. 1. real-time captioning for live webcasts: lessons and issues Intersteno 2015, Budapest, 2015-07-21 Richard Gatarski, Westreamu AB
  2. 2. please note I am not looking into: Broadcast television TV sets DVB-S/C/T I aim for (live) web video (and here captions ≈ subtitles)
  3. 3. about us WestreamU provides affordable full service packages for live streamed web TV. - designed, affordable, fast - on location (flight packs) - multicam, graphics - no/minimal post production - accessability
  4. 4. a large production Costs lots of money!
  5. 5. extremely affordable
  6. 6. tablet productions
  7. 7. the basics production streaming service (CDN) viewers
  8. 8. background I started as a pro in 2009. One customer asked: - Can you do live subtitles? - Can you do live sign interpretation? - …and later, live audio descriptions?
  9. 9. live (remote) signing, May 2015
  10. 10. needed My (unusual) requirements: - Support captioners/reporters/etc - Format lines for video - Record text, with time stamps - Interface with live video production software
  11. 11. live captions/subtitles Many experiments… - DOS-based hardware - SubPly services for Livestream - Capblaster (own open source project) - Streamtext to YouTube - Text-on-Top Video
  12. 12. Cablaster, May 2013
  13. 13. current approach
  14. 14. Text-on-top Video (beta), May 2015
  15. 15. Text-On-Top Video
  16. 16. Intersteno 2015, Text-on-top
  17. 17. Intersteno 2015, WestreamU
  18. 18. Intersteno 2015, behind the cam
  19. 19. questions? Some (of the many) issues: - captions insertion point - remote reporting - delay and synchronization - on demand, closed captions - ?
  20. 20. the future begins Thank you!

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