[Slight OT] TDPL in Russia

[Daniel Gibson]

retard schrieb:
> Thu, 09 Sep 2010 05:55:46 +0200, Daniel Gibson wrote:
> 
>> retard schrieb:
>>> Wed, 08 Sep 2010 19:15:15 -0700, Walter Bright wrote:
>>>
>>>> retard wrote:
>>>>> You must be young then. I got my first CD-ROM drive with my Pentium
>>>>> 75. The first 1x external CD-ROM drives were pretty expensive. I
>>>>> think one used to cost around $600..800.
>>>> Eh, my first CD-ROM drive was $1100 or so.
>>> Was it that expensive? Anyway, the world has changed so much. You can
>>> probably find a decent dvd+rw drive for $30 or $40 now. My original
>>> point was that people like us who listened to CDs in the 80's quite
>>> likely still possess real hi-fi cd players or integrated cd/amp/tuner
>>> systems. These systems are unaffected by the cd copy protection
>>> methods.
>> Not necessarily - I've heard of "copy protections" (they should actually
>> be called listening preventions) that caused trouble on old as well as
>> some new CD players (not CD ROM drives). Also Car CD player seem to be
>> massively affected by such problems. Why the hell should someone buy a
>> CD he can't listen to in his car?!
> 
> Ah, true. The reason (IIRC) was that the DRMed CDs also had a data cd TOC 
> or multiple sessions or something like that. If the car CD player 
> supported MP3 CDs via the data cd format, that made it "too intelligent" 
> to play the disks.

Yeah, and there also was this tric with manipulating the CIRC checksums, 
resulting in read errors that are ignored/interpolated by (most?) CD 
players, but CD ROM drives fail and apparently car radios fail as well.
Those "CDs" are not CDs anyway, because they violate the red book standard.