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

1. real-time captioning
for live webcasts:
lessons and issues
Intersteno 2015, Budapest, 2015-07-21
Richard Gatarski, Westreamu AB

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. 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. a large production
Costs lots of money!

5. extremely affordable

6. tablet productions

7. the basics
production
streaming service (CDN)
viewers

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. live (remote) signing, May 2015

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. 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. Cablaster, May 2013

13. current approach

14. Text-on-top Video (beta), May 2015

15. Text-On-Top Video

16. Intersteno 2015, Text-on-top

17. Intersteno 2015, WestreamU

18. Intersteno 2015, behind the cam

19. questions?
Some (of the many) issues:
- captions insertion point
- remote reporting
- delay and synchronization
- on demand, closed captions
- ?

20. the future begins
Thank you!