Thread Subject: Re: Today's call in info

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From: Sean Hayes
Date: Wed, Aug 29 2007 1:10 PM

None of these numbers work for me

Sean Hayes
Incubation Lab
Accessibility Business Unit
Microsoft

Office: +44 118 909 5867,
Mobile: +44 7875 091385


-----Original Message-----
From: = EMAIL ADDRESS REMOVED = [mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Andrew Kirkpatrick
Sent: 29 August 2007 20:02
To: TEITAC Audio/Video Subcommittee
Subject: [teitac-video] Today's call in info

Meeting id#: 107147
1-877-220-5439 (US)
1-800-64-219 (Australia)
44-20-8608-1105 (London)



> -----Original Message-----
> From: = EMAIL ADDRESS REMOVED =
> [mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of
> James Elekes
> Sent: Wednesday, August 29, 2007 3:00 PM
> To: TEITAC Audio/Video Subcommittee
> Subject: [teitac-video] Info for Today's Telecon Not on
> TEITAC Site--Please Respond/Post
>
> At 11:35 AM 8/29/2007, you wrote:
> >I see. Hmmmm
> >
> >OK How about -
> >
> > - all platforms (flash, avi, mov etc) have a standard way of
> > providing captions
> >
> > - For content - Captions must be provided in that format
> >
> > - For players that play that format - they must display captions
> > AND either have an easy way to turn them on (even if embedded in
> > content) or play them OPEN (always on).
> >
> >
> >
> >
> >
> >
> >Gregg
> > -- ------------------------------
> >Gregg C Vanderheiden Ph.D.
> >
> >
> >
> >----------
> >From: = EMAIL ADDRESS REMOVED =
> >[mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of
> Schomburg,
> >Paul
> >Sent: Wednesday, August 29, 2007 9:34 AM
> >To: TEITAC Audio/Video Subcommittee
> >Subject: Re: [teitac-video] FW: Revised proposal for Sec.
> >4.AdditionalProvisions for Audio-Visual Players or Displays
> >Greg: These are good questions; unfortunately I'm not aware of a
> >closed caption standard that could be applied today to all personal
> >video products. I don't know any other way to handle this
> except on an
> >agency-by-agency basis.
> >
> >Without a unified standard, interoperability would be handled by
> >content authoring tools that would support conversion among
> different
> >timed text metadata. Thus a broadcast video content encoded
> with 708
> >could be re-encoded with a different time text standard when being
> >deployed for mobile devices. That's why we added:
> >"Support interoperability and conversion between other
> common caption
> >formats such as CEA 608, CEA 708, or Timed Text (e.g. DFXP)."
> >
> >Thanks, Paul
> >
> >
> >----------
> >From: = EMAIL ADDRESS REMOVED =
> >[mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Gregg
> >Vanderheiden
> >Sent: Tuesday, August 28, 2007 11:19 PM
> >To: 'TEITAC Audio/Video Subcommittee'
> >Subject: Re: [teitac-video] FW: Revised proposal for Sec. 4.
> >AdditionalProvisions for Audio-Visual Players or Displays
> >
> >Thanks
> >
> >Couple questions about the part where you changed it to "Uses this
> >standard... Captions or timed text (as defined by procuring
> >agency) or display open caption video"
> >
> >
> >- How would you get interoperability if each agency picks its own
> >standards?
> >- Will purchasing agents have any idea what to specify?
> >- And how would a mfgr know how to design products if they
> don't know
> >what standard will apply until the get the P.O.?
> >
> >Maybe I'm missing something
> >
> >Thanks
> >
> >
> >Gregg
> > -- ------------------------------
> >Gregg C Vanderheiden Ph.D.
> >
> >
> >
> >----------
> >From: = EMAIL ADDRESS REMOVED =
> >[mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of
> Schomburg,
> >Paul
> >Sent: Tuesday, August 28, 2007 4:49 PM
> >To: TEITAC Audio/Video Subcommittee
> >Subject: [teitac-video] FW: Revised proposal for Sec. 4.
> >AdditionalProvisions for Audio-Visual Players or Displays
> >Folks: I am forwarding this without the attachments in
> order to allow
> >timely review. The attachments may come through later after
> the TEITAC
> >AV email list moderator approves my post, which apparently
> exceeded the
> >maximum size limit due to the attachments.
> >
> >Best regards, Paul
> >
> >
> >----------
> >From: Schomburg, Paul
> >Sent: Tuesday, August 28, 2007 5:26 PM
> >To: TEITAC Audio/Video Subcommittee
> >Cc: Schomburg, Paul
> >Subject: Revised proposal for Sec. 4. Additional Provisions for
> >Audio-Visual Players or Displays
> >
> >Folks: In response to comments on today's call we are providing a
> >revised draft for tomorrow's discussion (see below proposed
> text). To
> >help everyone's understanding I have attached in MS-Word clean and
> >redlined versions of the proposal. The redline shows
> differences from
> >the EWG draft at:
> ><http://teitac.org/wiki/EWG:Draft_Aug_17#4._Additional_Provis
ions_for_A
> >udio-Visual_Players_or_Displays>http://teitac.org/wiki/EWG:Dr
aft_Aug_17
> >#4._Additional_Provisions_for_Audio-Visual_Players_or_Displays
> >
> >Since the feedback we received today indicated that a "readily
> >achievable" clause could not be used I have changed the section for
> >personal video devices to leave the selection of closed
> caption or time
> >text standard up to the procuring agency or to allow use of open
> >captions. I have also removed references to screen sizes.
> >
> >Best regards, Paul
> >-------------
> >4. Additional Provisions for Audio-Visual Players or Displays 4-A -
> >Caption Playback Analog television, digital television and tuners,
> >computer equipment, and other equipment must provide closed and open
> >captions:
> >1. Equipment of this type:
> >Analog television displays that measure 13 inches or more diagonally
> >Computer equipment that includes analog television receiver
> or display
> >circuitry Uses this standard:
> >CEA 608
> >To provide these functions:
> >Receive, decode and display signals from broadcast cable satellite
> >Optical disc, videotape, and other recorded media other
> recorded media
> >2. Equipment of this type:
> >Wide-screen (16:9) digital television (DTV) displays
> measuring at least
> >7.8 inches vertically DTV sets with conventional (4:3) displays
> >measuring at least 13 inches diagonally Stand-alone DTV
> tuners, whether
> >or not they are marketed with display screens Computer
> equipment that
> >includes DTV receiver or display circuitry Uses this standard:
> >CEA 708
> >To provide these functions:
> >Receive, decode and display signals from:
> > * broadcast
> > * cable
> > * satellite
> > * Optical disc, videotape, and other recorded media
> > * IPTV
> >OR
> >Decode data, when available, and pass a decoded
> >("open-captioned") video signal to the DTV display or monitor 3.
> >Equipment of this type:
> >Other digital video source products without broadcast reception
> >capability, such as video playback products for removable media (e.g.
> >optical disc, tape, flash memory, etc.), IP-enabled video playback
> >products for downloaded or streaming video content, and media player
> >software, that is procured for the purpose of displaying
> video on a DTV
> >display or monitor Uses this standard:
> >CEA 708 or timed text with functionality equivalent [or
> comparable] to
> >CEA-708 (see end-note for definition of functional equivalent) To
> >provide these functions:
> >Pass CEA-708 caption data, when available, to the caption decoding
> >circuitry of DTV displays OR Decode caption data, when
> available, and
> >pass a decoded ("open-captioned") video signal to the DTV display or
> >monitor.
> >
> >4. Equipment of this type...
> >Personal video display products with an integrated display
> and without
> >broadcast reception capability.
> >
> >Uses this standard...
> >Captions or timed text (as defined by procuring
> >agency) or display open caption video
> >
> >To provide these functions...
> >- Decode caption data or timed text,
> >when available, for viewing on the integrated display
> >
> >Material for inclusion in the additional notes document:
> >TEITAC definition of "Functional Equivalent" to CEA 708
> Equivalent text
> >display functionalities must:
> >Support caption placement control by caption authors for any
> position
> >within the TV safe area.
> >Support standard, large, and small caption sizes and must allow the
> >caption author to choose a size and allow the viewer to choose an
> >alternative size.
> >Support eight font variations. Caption authors may specify
> one of these
> >eight font styles to be used to write caption text. Equivalents must
> >include the ability for users to choose among the eight fonts. The
> >equivalent must display the font chosen by the caption author unless
> >the user chooses a different font.
> >Support the eight font styles defined as
> >follows: default (undefined), monospaced with serifs (similar to
> >Courier), proportionally spaced with serifs (similar to Times New
> >Roman), monospaced without serifs (similar to Helvetica Monospaced),
> >proportionally spaced without serifs (similar to Arial and Swiss),
> >casual font type (similar to Dom and Impress), cursive font type
> >(similar to Coronet and Marigold), and small capitals (similar to
> >Engravers Gothic).
> >Support author and user choice of eight character foreground
> and eight
> >character background colors: white, black, red, green, blue, yellow,
> >magenta and cyan).
> >Support author and user selection of character and
> background opacity
> >options: SOLID, TRANSLUCENT, TRANSPARENT [FLASH option
> deleted] Support
> >options for altering the appearance of caption character edges.
> >Support the authoring and selection of the six caption services, but
> >information from only one service need be displayed at a given time.
> >Include an option that permits a user to choose a setting that will
> >display captions as intended by the caption provider (a default).
> >Equivalents must also include an option that allows a
> viewer's chosen
> >settings to remain until the viewer chooses to alter these settings,
> >including during periods when the video source device is powered off.
> >Multimedia content creation products and/or software must:
> >Support the creation of equivalent text display functionalities as
> >listed above Support interoperability and conversion between other
> >common caption formats such as CEA 608, CEA 708, or Timed Text (e.g.
> >DFXP).
> >
> >
> >
> >

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