Thread Subject: teitac-video: 4.A Caption Playback and 6.2.E Interactive Elements
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From: Jasionowski, Tony
Date: Wed, Aug 22 2007 3:40 PM
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I agree with your:
1) suggestion that we should not be device specific and should delete:
"if decoding of caption data....on that device", which I will implement
in our most recent draft unless someone objects.
Regarding your 2) 6.2.E Interactive Elements
We discussed this during today's call and agreed to revise the language
with a pointer to the web software section.
Date: Tue, 21 Aug 2007 19:27:08 -0700
From: "Andrew Kirkpatrick" < = EMAIL ADDRESS REMOVED = >
Subject: Re: [teitac-video] teitac-video Meeting
To: "TEITAC Audio/Video Subcommittee" < = EMAIL ADDRESS REMOVED = >
< = EMAIL ADDRESS REMOVED = >
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I can't attend the a/v call tomorrow, but here are a couple of thoughts:
1) This phrase:
- 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
I don't believe that we are in a position to require open or closed
captions on a specific device. The captions are delivered as part of
the content, and this phrase might be interpreted as requiring open
captions as long as there is a device that doesn't support closed
captions. The compliance of the content is separate from the compliance
of the device, and as such we could just leave off the "if decoding of
caption data....on that device" phrase and be OK.
2) 6.2.E Interactive Elements
All "multimedia" containing interactive elements, such as menus for
selection and access to segments of the content, that are part of the
content must include verbal equivalents for menu selections.
This is referring to software. This doesn't have anything to do with
the audio/video standards and as such should be removed. We had
language earlier that was effectively a note that told people who were
looking here because they were creating a DVD with a menu that they
needed to look at other standards also, but there is no place for this
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