[vorbis-dev] ogg pic format (again).. here's why

OmegaDan omegadan at thehumbleguys.com
Fri Jan 26 18:06:25 PST 2001



You are correct mayn professional formats store in "uneven" formats ... I
remember reading DVCR primer that mentioned this 

OD

On Fri, 26 Jan 2001, Chris Hanson wrote:
> Date: Fri, 26 Jan 2001 21:33:13 -0600
> To: vorbis-dev at xiph.org
> From: Chris Hanson <cmh at bDistributed.com>
> Reply-To: vorbis-dev at xiph.org
> Sender: owner-vorbis-dev at xiph.org
> Subject: Re: [vorbis-dev] ogg pic format (again).. here's why
> 
> At 2:13 PM -0800 1/26/01, rillian at telus.net wrote:
> >MNG can be used as a high quality "source" format for video such as one
> needs
> >for editing and effects work.
> 
> "High quality" and "lossless" aren't necessarily the same thing.
> 
> I think most DV -- including the BetaDV used by video professionals 
> -- is compressed using a lossy scheme.  I think it may also be 
> encoded in an uneven format (with twice as many bits for luminance 
> than for chromanance and a restricted bit range for all).
> 
> -- 
> Chris Hanson <cmh at bDistributed.com>
> bDistributed.com: Making Business Distributed
> 
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