RE: Pinhole Digest #1492 - 04/28/04

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From: Dylan Golden (dylangolden@sbcglobal.net)
Date: Wed Apr 28 2004 - 18:14:06 PDT 

From: "Dylan Golden" <dylangolden@sbcglobal.net>
Subject: RE: Pinhole Digest #1492 - 04/28/04
Date: Wed, 28 Apr 2004 18:14:06 -0700
Message-ID: <HKELKAKFCBAIPEGGCFKGMEDPCBAA.dylangolden@sbcglobal.net>

I want to clarify something about emerging Blue-Ray and HD-DVD technology.
It is the frequency of the blue light that allows for the high mbps transfer
rate (the light is capable of holding more data nm). It is the higher lense
aperture that focuses the light to a finer point on the Blue-Ray that allows
for more pits to be stored (and read) on the same amount of disk. Is this
correct? Most articles present the story as if the frequency were
responsible for allowing the smaller pits.

A related article with excellent charts follows (though it may be ppv in a
few days)

Dueling Visions of a High-Definition DVD

April 29, 2004
 By IAN AUSTEN

There are two ways to fit high-definition video onto DVD
discs. Will it be another format war like VHS vs. Betamax?

http://www.nytimes.com/2004/04/29/technology/circuits/29howw.html?ex=1084198
993&ei=1&en=682d931048eab627

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