two digitallish questions.

[Rob]

I always thought that SCMS was there to stop ppl from making good copies via
digital outputs and that "all" spdif inputs needed to support this feature
and essentially ruin a digital copy.. Some license from Sony, I believe.

Rob

----- Original Message -----
From: "KA4HJH" <ka4hjh at gte.net>
To: "Rob" <cyborgzero at home.com>
Cc: <synth-diy at node12b53.a2000.nl>
Sent: Monday, January 22, 2001 1:03 AM
Subject: Re: two digitallish questions.


> >FWIW, in DVD, they have Macrovision which messes up the sync signal by
> >tricking a VCRs automatic tracking sensing, but, of course, if you have a
> >VCR with manual tracking, it defeats it, or if you have a sync
regenerator
> >before the recorder.
> >
> >I *wonder* if they don't do something similiar with the digital output?
>
> As far as I know they haven't--YET. You can bet they've thought about all
> sorts of schemes, though.
>
> Somebody made the point in an article on copy protection schemes for audio
> media that most consumers who paid $17 for a CD at the mall expect to be
> able to take it home and rip it. Pay extra for some crummy mp3's? HA!
>
> The Music Industry can start impressing me by cutting the price of new
CD's
> in half...
>
>
> >Perhaps put in extra words that get thrown out during normal playback and
do
> >not affect the D/A conversion, but show up raw on the spdif out and screw
up
> >the spdif receiever?
> >
> >It seems altogether possible.
>
> SPDIF isn't a standard feature on the Mac. It would have to be a
> third-party card.
>
>
> --
> Terry Bowman, KA4HJH
> "The Mac Doctor"