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TTWG F2F during TPAC 2019

TPAC Group Schedule and Registration Results


You must register for this event.

  • A daily fee helps W3C offset, applies to anyone who is attending meetings, whether as a participant or as an observer or guest, Monday through Friday.
  • The per person, per day fees for participant, observer and guest are as follows:
    • Early Bird rate – until 21 June : EUR 102
    • Standard rate – until 31 August: EUR 151
    • Late/on-site rate – starting 1 September: EUR 200
  • If you are a W3C Invited Expert, and meet the requirements, W3C will waive your registration fee.

This page shows details of attendance and the agenda for the TTWG face to face meeting at TPAC 2019.


  • Room: (to be announced)
  • IRC: server: irc.w3.org, port: 6665, channel: #tt Web gateway to: http://irc.w3.org/?channels=tt
  • WebEx access: (to be announced)


Please, put your name in the following table if you plan to participate to the TTWG F2F (alphabetical order):

Name Arrival Departure Hotel Flight info and notes Days of attendance
Nigel Megitt Monday 16th Saturday 21st Hilton Fukuoka Sea Hawk CX5342 (late) Monday - Friday
Cyril Concolato Tuesday 17th Friday 20th Hilton Fukuoka Sea Hawk Tuesday - Friday
Andreas Tai Monday 16th Friday 20th Hilton Fukuoka Sea Hawk Monday - Friday
Gary Katsevman Saturday 14th Saturday 21st Hilton Fukuoka Sea Hawk Monday - Friday
Glenn Adams Sunday 15th Saturday 21st Hilton Fukuoka Sea Hawk Monday - Friday
Pierre-Anthony Lemieux Sunday 15th Thursday 19st Hilton Fukuoka Sea Hawk Monday - Thursday


Goals for TPAC 2019:

  • Agree to publish FPWDs of new Recs
  • Decide what to do with TTML3
  • Move forward with WebVTT
  • Decide what to do with MIME type support in embedded media

Agenda and Schedule


  • TTML2 Second Edition
  • IMSC1.1
  • TTML Profile Registry
  • WebVTT
  • Modules
    • CJK Extensions module
    • Karaoke
    • Live
  • CSS properties needed for subtitles and captions
  • Danmaku
  • DataCue
  • Next Generation TextTrackCue
  • AD Profile of TTML2
  • 360 video subtitles (schedule for Friday)
  • Joint meeting follow-ups
    • M&E IG
    • CSS WG
    • Media WG
    • Chinese IG
  • AOB
    • Demo slots if time allows
      • IMSC Editor


Please note the first item on the agenda is to put the items above into the agenda below!

Thursday 19th September

Time Topic
08:30-09:00 Arrivals, coffee
09:00 Introductions
09:15 Agenda bash
09:30 M&E IG and CSS WG joint meeting follow-ups
10:00 IMSC 1.2 issues
10:30 Break
11:00 IMSC 1.2 issues
12:15 Lunch
13:00 Live Extensions
14:00 TTML2 issues
15:00 Break
15:30 TTML2 issues
16:00 Karaoke Extensions
16:30 CJK Extensions
16:45 Publication planning
18:00 Adjourn

Friday 20th September

Time Topic
08:30-09:00 Arrivals, coffee
09:00 Joint meeting with Media WG, (at Media WG, tbc) to discuss DataCue
10:00 Break
10:30 WebVTT
12:30 Lunch
13:30 Chinese IG joint meeting (at Chinese IG, in English)
14:30 360º subtitles
15:00 Break
15:30 Chinese IG joint meeting follow-up, plus (spare slot for overflow or incoming new topic)
16:30 AD Profile of TTML2
17:30 Meeting review and close
18:00 Adjourn

Joint meetings

We have four joint meetings planned:

Media and Entertainment Interest Group

Scheduled for Monday 16th September 1600-1700. See the M&E IG wiki page for details.

CSS Working Group

Tuesday 0930, with the CSS WG.

List of issues for discussion is at https://github.com/w3c/ttwg/issues/52

Media Working Group

Friday 0900-1000 in the room allocated to the Media WG (tbc)


  • DataCue.

Chinese Interest Group

Friday 1330-1430 in the room allocated to the Chinese IG. This meeting will be held in English,


  • Danmaku.

Note that there also is a Danmaku topic for discussion in the M&E IG before the joint meeting with the TTWG.