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Posted by Rab on 11/22/05 21:36
"Eric Gisin" <ericgisin@hotmail.com> wrote in message
news:dll0aq02nmf@enews2.newsguy.com...
> http://www.denguru.com/2005/11/17/getting_what_you_don/page2.html
>
> This article is full of errors, just like most others. Here are some:
>
> So four samples of black and white are sent down in a signal burst,
> followed by two samples of blue and one of red, ...
> [4:2:0 has 1 each U and V per 4 Y=luminence]
>
> Both MPEG-2 (DVD's codec) and MPEG-4 (likely used in HD-DVD and Blu-Ray)
> use 4:2:0 formatting
> [isn't 4:2:2 an option?]
>
> While dogs can only see in black and white, ... [mammals see in colour]
>
> Here is a better article on Chroma Upsampling Error :
> www.hometheaterhifi.com/volume_8_2/dvd-benchmark-special-report-chroma-bug-4-2001.html
>
> Has anyone rated the major Windows DVD MPEG-2 decoders on quality?
>
>
I was always taught that dogs could only see in black and white - anyhow it
seems that dogs are said to have dichromatic vision -- they can see only
part of the range of colours in the visual spectrum of light wavelengths.
They see in shades of yellow and blue.
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