Good URL on VCRs?
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Good URL on VCRs?

 
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Malcolm Reeves
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Posted: Mon Jan 31, 2005 1:48 am    Post subject: Good URL on VCRs? Reply with quote

Hi,

My memory is playing tricks on me. I'm sure I read in a VCR manual
that its resolution was 312.5 lines (I'm in UK so 625 lines). I had
assumed this meant that VCR showed the same field twice in a frame to
save tape. But I can't find anything to say if they do or don't. All
I can find is that VCR tapes are 240/250 lines but I think that is
something different again.

TIA


--

Malcolm

Malcolm Reeves BSc CEng MIEE MIRSE, Full Circuit Ltd, Chippenham, UK
(mreeves@fullcircuit.com, mreeves@fullcircuit.co.uk or mreeves@iee.org).
Design Service for Analogue/Digital H/W & S/W Railway Signalling and Power
electronics. More details plus freeware, Win95/98 DUN and Pspice tips, see:

http://www.fullcircuit.com or http://www.fullcircuit.co.uk

NEW - www.CharteredConsultant.co.uk - The Consultant A-List

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Gary
Guest





Posted: Mon Jan 31, 2005 1:48 am    Post subject: Re: Good URL on VCRs? Reply with quote

Malcolm Reeves wrote:
Quote:
Hi,

My memory is playing tricks on me. I'm sure I read in a VCR manual
that its resolution was 312.5 lines (I'm in UK so 625 lines). I had
assumed this meant that VCR showed the same field twice in a frame to
save tape. But I can't find anything to say if they do or don't. All
I can find is that VCR tapes are 240/250 lines but I think that is
something different again.

TIA



All VCRs record both fields. If they didn't it would give picture
flicker on fast movement amongst other side effects.

The 240 line is the horizontal resolution.

Gary
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