Re: [Slim] How to know modality in draft-ietf-slim-negotiating-human-language

At 12:46 AM +0200 7/30/17, Gunnar Hellström wrote:

>  The review comment on this topic was from Dale 
> Worley and is found in section B of:
>
> 
> <https://www.ietf.org/mail-archive/web/slim/current/msg00766.html>https://www.ietf.org/mail-archive/web/slim/current/msg00766.html
>
>  by the sentence about specifying a view of the speaker in video: "
>
>  I think this mechanism needs to be described more exactly, and in
>  particular, it should not depend on the UA understanding which
>  language tags are spoken language tags."
>
>  It is this part we have not handled: " it 
> should not depend on the UA understanding which 
> language tags are spoken language tags"
>  That is a general issue, not really linked to 
> the issue of the view of a speaker in the video 
> stream.

Dale's suggestion of clarifying that it is the 
use of the exact same language tag in both the 
audio and video stream, rather than just a spoken 
tag on the video stream, is a good one.  I'll add 
that.

>
>
>  Den 2017-07-28 kl. 14:12, skrev Gunnar Hellström:
>
>>  I remember a comment in one of the reviews 
>> (maybe from Adam ?) mentioning that it would 
>> be good if there was a simple way to decide if 
>> a language tag is a sign language or a written 
>> or spoken language.
>>  We have not responded to that comment.
>>
>>  I know one application scanning the IANA 
>> language registry at startup for that purpose 
>> and scanning for the word "sign" in the tag 
>> description. But that might be seen as an 
>> inappropriate way to use IANA registers if it 
>> get used by every phone in the future.
>>
>>  What can we say about this review comment? Do 
>> we need to add a modality indication parameter 
>> in the syntax? Or shall we strictly limit 
>> audio to have spoken languages, video to have 
>> signed languages and text and webrtc data 
>> channels to have written languages? Or shall 
>> we leave this problem to implementation?
>>
>>  /Gunnar
>>
>
>  --
>  -----------------------------------------
>  Gunnar Hellström
>  Omnitor
>  <mailto:gunnar.hellstrom@omnitor.se>gunnar.hellstrom@omnitor.se
>  +46 708 204 288
>
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