Text 15548, 202 rader
Skriven 2007-01-21 16:39:30 av Rich (1:379/45)
Kommentar till text 15546 av Rich Gauszka (1:379/45)
Ärende: Re: Content protection
==============================
From: "Rich" <@>
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This guy is still a bozo and his "paper" is a bunch of random noise. =
Unless you want to look like a bozo I wouldn't let him speak for you. = See =
http://windowsvistablog.com/blogs/windowsvista/archive/2007/01/20/windows=
-vista-content-protection-twenty-questions-and-answers.aspx for truthful =
information on the subject.
BTW, the degradation referred to is mandated for all players not just =
software players on PCs.
Rich
"Rich Gauszka" <gauszka@dontspamhotmail.com> wrote in message =
news:45b40704$1@w3.nls.net...
There's content protection and there is consumer abuse
http://www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.html
Alongside the all-or-nothing approach of disabling output, Vista =
requires that any interface that provides high-quality output degrade = the
signal quality that passes through it if premium content is present. = This is
done through a "constrictor" that downgrades the signal to a = much
lower-quality one, then up- scales it again back to the original = spec, but
with a significant loss in quality. So if you're using an = expensive new LCD
display fed from a high- quality DVI signal on your = video card and there's
protected content present, the picture you're = going to see will be, as the
spec puts it, "slightly fuzzy", a bit like = a 10-year-old CRT monitor that you
picked up for $2 at a yard sale [Note = F]. In fact the specification
specifically still allows for old VGA = analog outputs, but even that's only
because disallowing them would = upset too many existing owners of analog
monitors. In the future even = analog VGA output will probably have to be
disabled. The only thing that = seems to be explicitly allowed is the extremely
low-quality TV-out, = provided that Macrovision is applied to it.
"Rich" <@> wrote in message news:45b405f9$1@w3.nls.net...
So you think that HD DVD or bluray would have been released =
without any standard for content protection? In what fantasy world do = you
live?
Rich
"Geo." <georger@nls.net> wrote in message =
news:45b3c353$1@w3.nls.net...
The specifications from the standards committee is what makes the =
mandate=20
possible, and in itself mandates the limits of those capabilities.
Geo.
"Rich" <@> wrote in message news:45b38858@w3.nls.net...
You are confused. Microsoft may have participated in the =
standards=20
committees on the specifications. As an implementor and =
consequently an=20
interested party, membership seems like a good idea. The =
specifications=20
don't mandate that content must be protected. It's the content =
providers=20
that make this mandate.
Rich
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<DIV><FONT face=3DArial size=3D2> This guy is still a bozo =
and his=20
"paper" is a bunch of random noise. Unless you want to look like a = bozo
I=20
wouldn't let him speak for you. See <A=20
href=3D"http://windowsvistablog.com/blogs/windowsvista/archive/2007/01/20=
/windows-vista-content-protection-twenty-questions-and-answers.aspx">http=
://windowsvistablog.com/blogs/windowsvista/archive/2007/01/20/windows-vis=
ta-content-protection-twenty-questions-and-answers.aspx</A> for=20
truthful information on the subject.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2> BTW, the degradation =
referred to is=20
mandated for all players not just software players on PCs.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Rich</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Rich Gauszka" <<A=20
=
href=3D"mailto:gauszka@dontspamhotmail.com">gauszka@dontspamhotmail.com</=
A>>=20
wrote in message <A=20
=
href=3D"news:45b40704$1@w3.nls.net">news:45b40704$1@w3.nls.net</A>...</DI=
V>
<DIV><FONT face=3DArial size=3D2>There's content protection and =
there is=20
consumer abuse</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><A=20
=
href=3D"http://www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.html">http:=
//www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.html</A></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV>Alongside the all-or-nothing approach of disabling output, Vista =
requires=20
that any interface that provides high-quality output degrade the =
signal=20
quality that passes through it if premium content is present. This is =
done=20
through a "constrictor" that downgrades the signal to a much =
lower-quality=20
one, then up- scales it again back to the original spec, but with a=20
significant loss in quality. So if you're using an expensive new LCD =
display=20
fed from a high- quality DVI signal on your video card and there's =
protected=20
content present, the picture you're going to see will be, as the spec =
puts it,=20
"slightly fuzzy", a bit like a 10-year-old CRT monitor that you picked =
up for=20
$2 at a yard sale [<A=20
=
href=3D"http://www.cs.auckland.ac.nz/~pgut001/pubs/vista_cost.html#f">Not=
e=20
F</A>]. In fact the specification specifically still allows for old =
VGA analog=20
outputs, but even that's only because disallowing them would upset too =
many=20
existing owners of analog monitors. In the future even analog VGA =
output will=20
probably have to be disabled. The only thing that seems to be =
explicitly=20
allowed is the extremely low-quality TV-out, provided that Macrovision =
is=20
applied to it.</DIV>
<DIV> </DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Rich" <@> wrote in message <A=20
=
href=3D"news:45b405f9$1@w3.nls.net">news:45b405f9$1@w3.nls.net</A>...</DI=
V>
<DIV><FONT face=3DArial size=3D2> So you think that HD =
DVD or bluray=20
would have been released without any standard for content =
protection? =20
In what fantasy world do you live?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Rich</FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Geo." <<A =
href=3D"mailto:georger@nls.net">georger@nls.net</A>>=20
wrote in message <A=20
=
href=3D"news:45b3c353$1@w3.nls.net">news:45b3c353$1@w3.nls.net</A>...</DI=
V>The=20
specifications from the standards committee is what makes the =
mandate=20
<BR>possible, and in itself mandates the limits of those=20
capabilities.<BR><BR>Geo.<BR><BR>"Rich" <@> wrote in message =
<A=20
=
href=3D"news:45b38858@w3.nls.net">news:45b38858@w3.nls.net</A>...<BR>&nbs=
p; =20
You are confused. Microsoft may have participated in the =
standards=20
<BR>committees on the specifications. As an implementor and=20
consequently an <BR>interested party, membership seems like a good =
idea. The specifications <BR>don't mandate that content must =
be=20
protected. It's the content providers <BR>that make this=20
=
mandate.<BR><BR>Rich<BR><BR></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BODY=
></HTML>
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