Thread Subject: Re: possible addition to the table in 4-A

Note

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From: Larry Goldberg
Date: Tue, Aug 28 2007 8:25 AM

Good suggestions Sean.

Any suggestions that would help us avoid the term "multimedia"?

... Larry ...


Sean Hayes wrote:

> In the software section we have:
>
> Non-text content
> Non-text Content: All non-text content must have a text alternative that
> presents equivalent information, except for the situations listed below.
> ...
> Media: If non-text content is multimedia, live audio-only or live video-only
> content, then text alternatives at least identify the non-text content with a
> descriptive text label. (For multimedia, see also Audio and/or Video
> provisions)
> ...
>
> Apart from the problematic term 'multimedia', I think this is clear that the
> AV provisions do apply to media presented by software, (we might want to
> question that for audio and video only, the minimum bar is a descriptive
> label).
>
> I believe that this cross-reference could be sharpened up a little to point
> directly to the phrase:
>
> 3. Equipment of this type:
>
> Other digital video source devices including personal video display devices
> Uses this standard:
>
> CEA 708 or functional equivalent (see end-note for definition of functional
> equivalent)
> To provide these functions:
>
> Pass 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. For personal video display
> devices, decoding of caption data will be subject to the "readily achievable"
> standard; if decoding of caption data is not "readily achievable,"
> open-captioned video must be supplied for use on that device.
>
> And that we might reword the latter to replace 'equipment' by 'product'.
>
>
> 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 Geoff Freed
> Sent: 24 August 2007 14:14
> To: TEITAC Audio/Video Subcommittee
> Subject: [teitac-video] possible addition to the table in 4-A
>
>
> Gregg V recently pointed out that the table in 4-A, "Caption
> Playback," dwells on the playback of captioned material on hardware
> such as televisions, tuners and tuner cards, but not on software
> players, such as QuickTime, Windows Media Player, RealPlayer and
> Flash. This seems an oversight, no? I don't believe caption
> playback in software players is specifically covered anywhere in
> 508-- *content* is covered in section 6, but not the caption-display
> capabilities of the players themselves.
>
> With this in mind, below is a draft of language to add to the table
> (linearized for ease of reading). Software players would be item #4
> in the table:
>
> 4-A - Caption Playback
> Analog television, digital television and tuners, computer equipment,
> software players and other equipment must provide closed and open
> captions:
>
> 4. Equipment of this type:
> Software audio or video players on computers, personal video display
> devices or other devices which play digital audio or video
>
> Uses this standard:
> [[GF note: there is no prevailing standard for captions in this
> category. What should we say?
>
> To provide these functions:
> Display caption data, when available. Players must allow users to
> turn the caption display on and off at will, and the technology for
> doing so must be freely available to all users.
>
> Let the hatchets fly!
> Geoff/NCAM
>
>
>
>
>

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