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Article #141

Re: Using an FM-Carrier for the Y [Luminance] Signal -- how to relieve the bandwidth issue?

#141
From: Richard Crowley
Date: Fri, 28 Sep 2007 14:59
16 lines
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"Dave Platt"  wrote ...
> No.  No.  And, no.  You cannot possibly do this... for several reasons.
>
> For one thing, trying to convey 300 bits of information per symbol is
> still grossly optimistic.  If you take a look at real-world modulation
> systems (QAM64 and so forth) you'll find that they send much less
> information per symbol... I don't have the best numbers available off
> of the top of my head, but I'd be surprised if there's a system in
> practical use which tries to send more than 16 bits per symbol. The
> amount of noise on real-world communcation channels makes it
> impractical-to-impossible to go much beyond that... and you are
> proposing something *far* beyond that. Trust me - the laws of physics
> in this universe won't permit you to do it.

Perhaps "Radium" should ask his questions over there in
that other universe where *his* laws of physics apply. 
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From: "Richard Crowley" <rcrowley@xp7rt.net>
Newsgroups: uk.tech.digital-tv,rec.video.production,uk.media.tv.misc,sci.electronics.components,uk.tech.broadcast,sci.electronics.misc,aus.radio.broadcast,ba.broadcast,alt.radio.broadcasting
Subject: Re: Using an FM-Carrier for the Y [Luminance] Signal -- how to relieve the bandwidth issue?
Date: Fri, 28 Sep 2007 07:59:03 -0700
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