Re: [MMUSIC] draft-gellens-mmusic-negotiating-human-language-00.txt - two modalities in video

[Gunnar Hellstrom <[e-mail]>]

There is a good description of avoidance of using subtags in 7.1, third 
paragraph from the end.

It may be good to inform after that paragraph about the language tags 
that can be used for video.
There are separate language tags for sign languages.
So, for the video medium, that can be used to distinguish between two 
different usages of video; for sign language versus for assisting 
hearing with the view of the speaking human for lip-reading or for just 
emphasizing the understanding by a view of the speaker.

Insert a new paragraph to be the third from the end of 7.1:

For indication of preferences and capabilities of sign languages, the 
specific sign language tags of RFC 5646 SHALL be used in the video media 
specifications.
Preference and capability of a spoken language tag (i.e. not a sign 
language) indicated in the video media specification SHOULD be used for 
indicating a view of the speaking human that may be needed or preferred 
for speech-reading assisted hearing.

Regards

Gunnar
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Gunnar Hellström
Omnitor
[e-mail]
[phone]

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