Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site moncol.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!ihnp4!crsp!pesnta!moncol!ben From: ben@moncol.UUCP (Bennett Broder) Newsgroups: net.audio Subject: Re: error correction in cd's Message-ID: <371@moncol.UUCP> Date: Sun, 9-Jun-85 11:42:26 EDT Article-I.D.: moncol.371 Posted: Sun Jun 9 11:42:26 1985 Date-Received: Mon, 10-Jun-85 08:27:29 EDT References: <679@charm.UUCP> Organization: Monmouth College, West Long Branch, NJ 07764 Lines: 11 >>Have you ever put your favourite CD up to a light source? Choose one >>that doesn't have an opaque label. There are definitely defects there >>that are more than 1 bit! Thank goodness for error correction. > >You need a lesson in optics. What you see is not what the laser sees. >It has a one-micron depth of focus set below the level of what you're >seeing. You don't. I don't see what that has to do with anything. When I hold a CD up to the light and see a large pinhole (a pretty common defect), it seems to me that there are no bits at *any* depth.