PrinceGaz [EMAIL PROTECTED] wrote:
Audio CDs that wont play on CDROM drives? That hardly makes them
uncopyable, I'm pretty certain I could copy any analog sauce to CC if I
wish. And since this is md-l, I could make an analog copy to MD too.
I also think it would be anti-constitutional...
At 11:03 AM 9/18/99 +0200, you wrote:
Even the in-famous Macrovision protection on DVDs can be bypassed if you own
a Hollywood+ MPEG2 decoder, and we're talking about a $120 card, not a $5000
special-hyper-professional equipment.
Actually there is a fairly simple modification to disable
Jim Resinger [EMAIL PROTECTED] wrote:
These potential limitations are part of the AudioLok Red
copy-protection technology being developed by U.K.-based C-Dilla, a
subsidiary of Macrovision whose anti-copy system currently prevents
videotapes, DVDs, and pay-per-view movies from being
.net/~princegaz/
ICQ: 36892193
- Original Message -
From: Sciamano Nerazzurro [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: 18 September 1999 10:03
Subject: Re: MD: Copy-Proof CDs--Again
Jim Resinger [EMAIL PROTECTED] wrote:
These potential limitations are part of the AudioLok Red
co
On 8/23/99 I posted an article from STEREO REVIEW'S SOUND AND VISION
about a new "scheme" to make CDs copy-proof. Here's another article
from POPULAR SCIENCE along the same lines.
--
Copy-Proof CDs
By this time next year, new coding on music CDs might prevent them
from being copied on
Date: Mon, 13 Sep 1999 10:22:13 +0100
From: "Simon Gardner" [EMAIL PROTECTED]
Subject: Re: MD: Copy-Proof CDs (Long)
This is fair enough - a Compact Disc (for audio purposes) contains music
that can be played back. If you own a piece of equipment with the "CDDA"
logo on the
On 14 Sep 99, at 13:45, Simon Mackay wrote:
Hi everyone
What has happened to permitting "fair use" of copyright
materials?
It's alive and healthy; however, "I really want it" is not now and
never has been considered "fair use".
For those who are interested, Stanford University has a
Hi everyone
What has happened to permitting "fair use" of copyright materials? Have
governments and rights-holders, especially publishers, lost the sight of the
spirit of the DAT Pact and, the Betamax decision and other copyright
decisions to allow home recording for purposes such as archiving,
[EMAIL PROTECTED] wrote:
At 01:45 PM 9/14/99 +1000, Simon wrote:
What has happened to permitting "fair use" of copyright materials?
"Fair use" is still there. They have just made it harder to make "fair use".
I agree, we need new laws to make it punishable for publishers to make
From: John Chrapowicki
Bottom line; why do I want to buy a disc that won't play
on my PC, that won't play on my hi-fi system, that I can't
transfer to listen to on my portable minidisc player?
Actually, I don't think I have anything that one of these
discs will play on. The answer is
From: John Chrapowicki
Bottom line; why do I want to buy a disc that won't play
on my PC, that won't play on my hi-fi system, that I can't
transfer to listen to on my portable minidisc player?
Actually, I don't think I have anything that one of these
discs will play on. The answer is a
Kenton A Hoover writes:
It has to do with what you mean by playing "correctly". Introduction of
single bit errors will likely not to even be detectable to the human ear.
However, the logical place to insert such errors is on "block" boundries.
Remember that CD-ROM ripping requires that
===
= NB: Over 50% of this message is QUOTED, please =
= be more selective when quoting text =
===
It has to do with what you mean by playing
Colin Burchall writes:
Kenton A. Hoover wrote:
It has to do with what you mean by playing "correctly". Introduction of
single bit errors will likely not to even be detectable to the human ear.
Exactly. So a digital copy made from a S/PDIF data stream will have the
same 'undetectable
Kenton A. Hoover wrote:
It has to do with what you mean by playing "correctly". Introduction of
single bit errors will likely not to even be detectable to the human ear.
Exactly. So a digital copy made from a S/PDIF data stream will have the
same 'undetectable to the human ear' error.
I forwarded the note on copy-proof CDs to a colleague of mine who sent this
reply which makes a few interesting points:
Quote
I had seen a press release on this a few weeks back (July 28th) , but some
of the details were different:
http://www.emediapro.net/news99/news732.html
See also:
From: Simon Gardner [EMAIL PROTECTED]
Then they can expect them to be returned in bulk as people take
them to work
etc and find they cannot play them on there PC.
If they do not comply to the red book standards then I believe they cannot
use the compact disc logo on them, meaning
Kenton A. Hoover wrote:
That would require a firmware change to the CD-ROM drive. Their technique
is
quite clever -- they're inserting CRC errors deliberately, which the
CD-ROM units will fix when the data is copied, rendering the copy
inaccurate and unusable.
If they introduce CRC errors,
showing my age:
i remember when software companies used to do stuff like this to video games
for the c-64 and apple://e it didn't take long for hackers to solve the
problems...
bob
--
COPY-PROOF CDs
The system works by adding false codes to a music CD so that it looks
like a
The report I originally read did not contain the reference 'and even to
prevent a digital signal from being passed through a player's digital
outputs', which eliminates the most obvious way to get around the
protection. I wonder, was this line added to the report at a later time or
was is
Since I and a lot of others want to play there CDs in their computers
and don't even care about making a copy, I think there would be a big
backlash and CDs returned if they did that.
Simon Mackay wrote:
BEGIN QUOTE===
C-Dilla,
Then they can expect them to be returned in bulk as people take
them to work
etc and find they cannot play them on there PC.
If they do not comply to the red book standards then I believe they cannot
use the compact disc logo on them, meaning that they will have to come up
with some new
That would require a firmware change to the CD-ROM drive. Their technique is
quite clever -- they're inserting CRC errors deliberately, which the
CD-ROM units will fix when the data is copied, rendering the copy
inaccurate and unusable.
The industry goal is to move the cost of cloning up,
On Tue, 24 Aug 1999, Jim Resinger wrote:
like a CD-ROM to a computer The codes are ignored by CD players, but
the discs appear corrupt and unreadable on CD-ROM drives.
I'd give it 3-4 days max before it's cracked.
--
Mark Derricutt | Chalice of Blood
Software
I thought you might be interested in this. It bodes ill for all of us.
--
COPY-PROOF CDs
C-Dilla, recently acquired by Macrovision, is developing technology
that is said to prevent a computer's CD-ROM drive from playing music
CDs, making it impossible to copy them with a CD-R drive or
Resinger [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Tuesday, August 24, 1999 3:58 PM
Subject: MD: Copy-Proof CDs
I thought you might be interested in this. It bodes ill for all of us.
--
COPY-PROOF CDs
C-Dilla, recently
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