Text 15544, 215 rader
Skriven 2007-01-21 16:17:40 av Rich (1:379/45)
Kommentar till text 15531 av Geo. (1:379/45)
Ärende: Re: Content protection
==============================
From: "Rich" <@>
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The implementation in Windows is a framework with a set of =
capabilities necessary to meet the requirements of not just HD-DVD but = other
content as well. It is not a hard coded implementation of any = specific
requirements. This is necessary to allow Windows to be a = platform for
playback of as much content as possible.
Your example of expiration is something that doesn't apply to HD-DVD, =
or at least I don't think so but I could be wrong. I'm not at all = familiar
with what AACS allows. It is something that applies to = distributable audio
and video content. If you see it used, you should = contact the content
provider and/or licensor to ask why. FWIW, an = expiration date has been
supported since version 1.0 or WMDRM released = in 1999.
Rich
=20
"Geo." <georger@nls.net> wrote in message =
news:45b3c20f$1@w3.nls.net...
If the content protection in vista goes above and beyond that found on =
HDDVD=20
players then can you really claim it was just to support protections=20
mandated by the content? For example if vista allows downloading =
content=20
that expires after a week, you can't possibly be serious that vista =
isn't=20
directly responsible for extending the capabilities of HD-DVD content=20
protection.
Geo.
"Rich" <@> wrote in message news:45b2f6e3$1@w3.nls.net...
The extra CPU is to support the protections mandated by the =
content. The=20
additional functionality is the ability to render that content at all. =
If=20
you don't want to play protected content such as HD-DVD or bluray then =
you=20
should care that increased CPU is required to do so. If you do want =
to play=20
such content then you should be pleased that it is possible.
Rich
"Rich Gauszka" <gauszka@dontspamhotmail.com> wrote in message=20
news:45b2ec71$1@w3.nls.net...
The Vista team is hallucinating equating additional CPU cycles used =
for=20
drm
with additional functionality for consumers.
from the link
------------------------------------------------------------
Will Windows Vista content protection features increase CPU resource
consumption?
Yes. However, the use of additional CPU cycles is inevitable, as =
the PC
provides consumers with additional functionality.
-------------------------------------------------------------
"John Beamish" <JLBeamish@rogers.com> wrote in message
news:op.tmhkksu1m6tn4t@dellblack.wlfdle.phub.net.cable.rogers.com...
> In this vein ... there was the story that Vista imposed DRM in =
such a
> manner that if (for example) you were listening to a CD that was =
subject
> to DRM and you were a technician viewing (according to this =
example) a
> digital x-ray that the x-ray would be degraded to the same extent =
that=20
DRM
> required the CD to be degraded.
>
> The Windows Vista team replied here:
>=20
=
http://windowsvistablog.com/blogs/windowsvista/archive/2007/01/20/windows=
-vista-content-protection-twenty-questions-and-answers.aspx
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2> The implementation in =
Windows is a=20
framework with a set of capabilities necessary to meet the requirements = of
not=20
just HD-DVD but other content as well. It is not a hard coded =
implementation of any specific requirements. This is = necessary
to=20
allow Windows to be a platform for playback of as much content as=20
possible.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> Your example of expiration =
is=20
something that doesn't apply to HD-DVD, or at least I don't think so but = I
could=20
be wrong. I'm not at all familiar with what AACS allows. It = is=20
something that applies to distributable audio and video = content.
If=20
you see it used, you should contact the content provider = and/or=20
licensor to ask why. FWIW, an expiration date has been supported =
since=20
version 1.0 or WMDRM released in 1999.</FONT></DIV>
<DIV> </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>> wrote=20
in message <A=20
=
href=3D"news:45b3c20f$1@w3.nls.net">news:45b3c20f$1@w3.nls.net</A>...</DI=
V>If=20
the content protection in vista goes above and beyond that found on =
HDDVD=20
<BR>players then can you really claim it was just to support =
protections=20
<BR>mandated by the content? For example if vista allows downloading =
content=20
<BR>that expires after a week, you can't possibly be serious that =
vista isn't=20
<BR>directly responsible for extending the capabilities of HD-DVD =
content=20
<BR>protection.<BR><BR>Geo.<BR><BR>"Rich" <@> wrote in message =
<A=20
=
href=3D"news:45b2f6e3$1@w3.nls.net">news:45b2f6e3$1@w3.nls.net</A>...<BR>=
=20
The extra CPU is to support the protections mandated by the =
content. The=20
<BR>additional functionality is the ability to render that content at=20
all. If <BR>you don't want to play protected content such as =
HD-DVD or=20
bluray then you <BR>should care that increased CPU is required to do =
so. =20
If you do want to play <BR>such content then you should be pleased =
that it is=20
possible.<BR><BR>Rich<BR><BR> "Rich Gauszka" <<A=20
=
href=3D"mailto:gauszka@dontspamhotmail.com">gauszka@dontspamhotmail.com</=
A>>=20
wrote in message <BR><A=20
=
href=3D"news:45b2ec71$1@w3.nls.net">news:45b2ec71$1@w3.nls.net</A>...<BR>=
=20
The Vista team is hallucinating equating additional CPU cycles used =
for=20
<BR>drm<BR> with additional functionality for =
consumers.<BR><BR> =20
from the link<BR> =20
------------------------------------------------------------<BR> =
Will=20
Windows Vista content protection features increase CPU =
resource<BR> =20
consumption?<BR><BR> Yes. However, the use of additional =
CPU=20
cycles is inevitable, as the PC<BR> provides consumers with =
additional=20
functionality.<BR> =20
=
-------------------------------------------------------------<BR><BR>&nbs=
p;=20
"John Beamish" <<A=20
href=3D"mailto:JLBeamish@rogers.com">JLBeamish@rogers.com</A>> =
wrote in=20
message<BR> <A=20
=
href=3D"news:op.tmhkksu1m6tn4t@dellblack.wlfdle.phub.net.cable.rogers.com=
">news:op.tmhkksu1m6tn4t@dellblack.wlfdle.phub.net.cable.rogers.com</A>..=
.<BR> =20
> In this vein ... there was the story that Vista imposed DRM in =
such=20
a<BR> > manner that if (for example) you were listening to a =
CD that=20
was subject<BR> > to DRM and you were a technician viewing =
(according=20
to this example) a<BR> > digital x-ray that the x-ray would =
be=20
degraded to the same extent that <BR>DRM<BR> > required the =
CD to be=20
degraded.<BR> ><BR> > The Windows Vista team replied =
here:<BR> > <BR><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><BR></BLOCKQUO=
TE></BODY></HTML>
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