Re: [AVT] MIME type registration: basic question

Colin Perkins <csp@csperkins.org> Wed, 20 July 2005 13:13 UTC

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From: Colin Perkins <csp@csperkins.org>
Subject: Re: [AVT] MIME type registration: basic question
Date: Wed, 20 Jul 2005 14:13:28 +0100
To: Alejandro Cabrera Obed <aco1967@gmail.com>
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On 20 Jul 2005, at 13:51, Alejandro Cabrera Obed wrote:
> I've been seen that all the the RTP payload formats for audio and
> video need to define a MIME type registration, with type of media,
> transport protocol and media format.
>
> My question is this: why is it necessary the definition of a MIME type
> in -for example- HDTV media sessions ??? Doesn't MIME refer to an
> official Internet standard that specifies how messages must be
> formatted so that they can be exchanged between different email
> systems only (and for web too) ???

A media type name is registered, so the format can be signalled in  
SDP.  SDP uses the same namespace as email, the web, and many other  
protocols, to identify media formats.

Colin

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