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real-time captioning
for live webcasts:
lessons and issues
Intersteno 2015, Budapest, 2015-07-21
Richard Gatarski, Westreamu AB
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)
about us
WestreamU provides affordable full service packages forlive streamed web TV.- designed, affordable, fast
- on location (flight packs)
- multicam, graphics
- no/minimal post production
- accessability
extremely affordable
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?
needed
My (unusual) requirements:- Support captioners/reporters/etc
- Format lines for video
- Record text, with time stamps
- Interface with live video production software
live captions/subtitles
Many experiments…- DOS-based hardware
- SubPly services for Livestream
- Capblaster (own open source project)
- Streamtext to YouTube
- Text-on-Top Video
questions?
Some (of the many) issues:- captions insertion point
- remote reporting
- delay and synchronization
- on demand, closed captions
- ?