Re: [MMUSIC] Reply to Liaison statement to IETF concerning 3D video

[Ari Keränen <[e-mail]>]

Hi Cullen,

Thanks for your feedback. We already mention in the reply draft that we 
welcome more input on the matter but having also domain experts could be 
helpful. We'll take also this into consideration for the reply.


Cheers,
Ari

On 5/21/13 5:19 PM, Cullen Jennings (fluffy) wrote:
>
> It seems the subtext here is that WG4 is saying they have a need for this and asking if we are doing anything. We might want to send back that we would welcome drafts and input in this and people that would want this should come and help us get this done. What I don't want to see happen is some SDO outside mmusic try and define the SDP for this. We should directly tell them that if people want this, bring a proposal to MMUSIC and people with the domain expertise would be very welcome in MMUSIC to work with people with the SDP expertise to help meet the needs of WG4.
>
>
>
> On May 16, 2013, at 1:58 PM, Ari Keränen <[e-mail]> wrote:
>
>> Here is what we are planning to send as a response to the 3GPP liaison request regarding 3D video work at MMUSIC (for details, see https://datatracker.ietf.org/liaison/1239/).
>>
>>
>> Regards,
>> Ari & Flemming (MMUSIC co-chairs)
>>
>> ---
>>
>> Title:    Reply to Liaison statement to IETF concerning 3D video formats signalling in SDP
>>
>> Source: IETF MMUSIC WG
>> To:     TSG-SA WG4
>>
>> The MMUSIC Working Groups thanks SA4 for their information request around work related to SDP signaling of 3D video formats. At the present time, the MMUSIC WG does not have any active work in this area.
>>
>> For your information, the MMUSIC WG did previously (in 2012) consider work in this area based on the following 3 documents:
>>
>> http://datatracker.ietf.org/doc/draft-capelastegui-mmusic-3dv-sdp/
>> http://datatracker.ietf.org/doc/draft-greevenbosch-mmusic-sdp-parallax/
>> http://datatracker.ietf.org/doc/draft-greevenbosch-mmusic-sdp-3d-format/
>>
>> The drafts were presented in a couple of meetings and discussed on the MMUSIC mailing list, however there was not significant interest nor technical agreement in the WG for adoption of these items at the time. It was also believed that additional 3D video expertise and alignment with MPEG would be needed to adequately cover this area. In lieu of the above, the work was not adopted.
>>
>> The MMUSIC WG would welcome further input from SA WG4 on this matter.
>>
>> Next IETF meetings:
>> - IETF 87 July 28 - August 2, 2013, Berlin, Germany
>> - IETF 88 November 3-8, 2013, Vancouver, BC, Canada
>>
>>
>> Regards,
>> Flemming Andreasen and Ari Keränen
>> MMUSIC WG co-chairs
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>