[vorbis] Copy protected CDs (off-topic)

[Aleksandar Dovnikovic]

"Frank Klemm" <pfk at fuchs.offl.uni-jena.de> wrote:

> Some DVD drives are using green Layer light to also read out CD-ROMs and
CD
> DA. This reduces contrast for pressed CDs (no lambda/2 interference) and
> especially for CD-Rs (dye absorption maximum), because they are optimized
> for 780 nm.

Maybe you can answer one question that bugged me for some time and
everywhere I asked I only got vague responses: why some audio CD
players sound worse when using audio CD-R instead of original
(pressed) audio CD? WAVs from both CDs are exact match, so why
do they sound different?

Greetings,
Aleksandar

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