ISSUE-322: Formula for dropNTSC time expressions is incorrect.

Drop NTSC Formula

Formula for dropNTSC time expressions is incorrect.

State:
CLOSED
Product:
TTML 1.0
Raised by:
Glenn Adams
Opened on:
2014-06-19
Description:
Charles Ritchea reports [1] that the dropNTSC computation in TTML1 Appendix N.3 [2] is incorrect. Corresponding text in TTML2 [3] also needs corrected.

[1] http://lists.w3.org/Archives/Public/public-tt/2014Jun/0032.html
[2] http://www.w3.org/TR/2013/REC-ttml1-20130924/#time-expression-semantics-smpte
[3] https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml2/spec/ttml2.html#time-expression-semantics-smpte
Related Actions Items:
No related actions
Related emails:
  1. Re: Action 474 now closed (from nigel.megitt@bbc.co.uk on 2016-07-08)
  2. Action 474 now closed (from tmichel@w3.org on 2016-07-07)
  3. {minutes} TTWG Meeting 2016-06-30 (from nigel.megitt@bbc.co.uk on 2016-06-30)
  4. {agenda} TTWG Meeting 2016-06-30 (from nigel.megitt@bbc.co.uk on 2016-06-29)
  5. {minutes} TTWG Meeting 2016-06-23 (from glenn@skynav.com on 2016-06-23)
  6. {minutes} TTWG Meeting 2015-10-30 (from nigel.megitt@bbc.co.uk on 2015-10-30)
  7. {minutes} TTWG Meeting 19/6/2014 (from nigel.megitt@bbc.co.uk on 2014-06-19)
  8. Re: Error in dropNTSC algorithm (from glenn@skynav.com on 2014-06-19)
  9. ISSUE-322 (Drop NTSC Formula): Formula for dropNTSC time expressions is incorrect. [TTML 1.0] (from sysbot+tracker@w3.org on 2014-06-19)

Related notes:

resolved in https://dvcs.w3.org/hg/ttml/rev/513e010745ff

Glenn Adams, 29 Oct 2015, 04:50:53

[nigel]: [Meeting 2015-10-30] Group happy with proposed errata text at https://dvcs.w3.org/hg/ttml/raw-file/2cd6f1c06e57/ttml1/spec/ttml1-errata.html

30 Oct 2015, 06:08:44

Moved to https://github.com/w3c/ttml1/issues/191

Nigel Megitt, 5 Jan 2016, 16:15:13

[nigel]: Closing this as we are tracking it on github now

30 Jun 2016, 14:29:20

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David Singer <singer@apple.com>, Nigel Megitt <nigel.megitt@bbc.co.uk>, Chairs, Thierry Michel <tmichel@w3.org>, Philippe Le H├ęgaret <plh@w3.org>, Staff Contacts
Tracker: documentation, (configuration for this group), originally developed by Dean Jackson, is developed and maintained by the Systems Team <w3t-sys@w3.org>.
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