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Stainless Steel Rat wrote:
>
> * "Francisco J. Huerta" <[EMAIL PROTECTED]> on Sun, 10 Jun 2001
> | Didn't Sony invent ATRAC, violating some Dolby compression patents? Then,
> | Sony handled the ATRAC license to Dolby, or something like that, in order to
> | avoid litigation.
>
> No. Sony developed ATRAC in-house, not violating any Dolby Laboratories
> patents. Then sometime after ATRAC v4.5 they collaborated with Dolby
> Laboratories to make improvements for mutual benefit. The results are that
> Dolby Digital has some of ATRAC in it and current versions of Sony ATRAC
> have some AC3 in them.
>
> One side effect of that deal is that Sony no longer discloses ATRAC versions.
My circa 1994 Sony MDS-501 (ATRAC 2) has the same Dolby Labs
license/patent message printed on the back of the unit itself and also
in the manual.
Shawn
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