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Date: Sat, 27 Apr 1996 14:52:02 -0400
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Originator: lightwave@garcia.com
From: davep@ACCESS.DIGEX.NET (Dave Paige)
To: Multiple recipients of list <lightwave@garcia.com>
Subject: Re: Recording to VHS
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On Fri, 26 Apr 1996 22:24:53 -0700, you wrote:
>Ok I have a question. Many people have thrown arround NTSC resolutions over
>the past few months. Almost all of them contradict each other. Now what is
>the correct REZ for NTSC video? Why does the PVR require a picture of
>720X480 if its NTSC out put is different?
>
>Scott
>
>
The specification for D-1 digital video is for a frame's pixel size to
be 740 X 486. This spec is known as CCIR601. So the reason that the
PVR is 720 X480 is to be compatible with this spec. They missed it by
six scan lines.
Dave Paige
Alfheim Imaging
dave@access.digex.net
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