[vorbis] More on CD anti-copying techniques

Ross Levis ral at baycom.co.nz
Tue Oct 2 15:03:28 PDT 2001

Most likely it is breakable, however, AFAIK it is illegal to publicly
provide software to break a copy protection scheme, so for the technically
minded it may not be a problem, but for the other 95% (guessing) of the
population they will be very happy with the inferior sounding WMA files.


Jay Sprenkle wrote:
> The .WMA files are for people to use on their computers,
> the regular audio tracks are used when playing on an audio cd player.
> They are both protected from copying. The WMA files have a signature
> in them, and the audio tracks are supposedly protected from ripping
> by using an abnormal table of contents. I'm sure it will prove
> very easy to break either protection scheme. One gentleman named
> in the article has already managed it using a mechanical technique.
> It sounded like some driver changes would fix it as well.

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