Re: [Slim] Moving forward on draft-ietf-slim-negotiating-human-language

Paul Kyzivat <pkyzivat@alum.mit.edu> Tue, 21 November 2017 16:44 UTC

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From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Date: Tue, 21 Nov 2017 11:44:12 -0500
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Subject: Re: [Slim] Moving forward on draft-ietf-slim-negotiating-human-language
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On 11/21/17 10:59 AM, Bernard Aboba wrote:
> [BA] LGTM.  Do you recall what the objection was to the term 
> "spoken/written language"?
> 
> Gunnar had said:
> 
> By including a language tag for spoken language in a video 
> description and using the "lip sync" grouping mechanism defined in 
> [RFC5888] it is possible to indicate synchronized audio and video so as 
> to support lip reading. 

When using lip sync, is there any necessity to put the language tag on 
the video? ISTM that is irrelevant, as long as it is on the synced audio 
media. ISTM it would be better to say:

    By including a language tag for spoken language in an audio
    description and using the "lip sync" grouping mechanism defined
    in [RFC5888] to group it with a video media stream it is possible
    to indicate synchronized audio and video so as to support lip
    reading.

	Thanks,
	Paul