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Date:      Tue, 29 Aug 2000 10:22:31 -0700
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        Chris Dillon <cdillon@wolves.k12.mo.us>
Cc:        freebsd-multimedia@FreeBSD.ORG
Subject:   Re: Video CDs?
Message-ID:  <20000829102231.C24849@Odin.AC.HMC.Edu>
In-Reply-To: <Pine.BSF.4.21.0008290951030.36965-100000@mail.wolves.k12.mo.us>; from cdillon@wolves.k12.mo.us on Tue, Aug 29, 2000 at 10:00:30AM -0500
References:  <200008291331.PAA82473@dorifer.heim3.tu-clausthal.de> <Pine.BSF.4.21.0008290951030.36965-100000@mail.wolves.k12.mo.us>

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On Tue, Aug 29, 2000 at 10:00:30AM -0500, Chris Dillon wrote:
> On Tue, 29 Aug 2000, Oliver Fromme wrote:
> > It certainly can't do that, because LaserDisc is not covered by
> > Red Book.  It's not even digital data. LaserDisc video is
> > analogue.  You definitely need a real LaserDisc player for this.
> 
> You must be thinking of the old, OLD, funny looking green "Video
> Discs".  Those were analog.  The "Laser Discs" that just look like
> large 12" CD's are indeed fully digital, both audio and video.  Laser
> Discs are still big in the education area because they are used to
> hold a humungous number of easily accessable still pictures (when used
> with a special Laser Disc player with bar-code reader and barcoded
> image index), video clips (of course), and other neat interactive
> stuff.

No, LaserDiscs are mostly analog.  Modern forms have digital audio
tracks, but the video is always analog.  There's some comparison info at
http://www.cs.tut.fi/~leopold/Ld/VideoFormats.html.  I remember using a
number of those cool educational disks in Middle School and High School
driven via a Mac with HyperCard.

-- Brooks

-- 
Any statement of the form "X is the one, true Y" is FALSE.


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