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   rec.arts.tv.uk.misc      Fans of UK TV shows      629 messages   

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   Message 9 of 629   
   Steve Roberts to nigelg@lpilsley.co.uk   
   Re: UK 405 line system + FR 819 line sys   
   08 Jul 03 13:38:14   
   
   XPost: alt.satellite.tv, alt.satellite.tv.australasia, alt.satellite.tv.europe   
   XPost: rec.radio.shortwave, rec.video.cable-tv, rec.video.satellite.misc   
   XPost: rec.video.satellite.tvro, sci.engr.radar+sonar, uk.tech.broadcast   
   From: steveroberts@compuserve.com   
      
   On Tue, 8 Jul 2003 13:11:24 +0100, Nigel Goodwin   
    wrote:   
      
   >You couldn't record 405 line on a 625 line recorder, it wouldn't work,   
   >there were no domestic 405 line VCR's made (it was too early) but   
   >commercial machines were available.   
      
   Au contraire on both counts, Nigel!   
      
   You most certainly can record and replay 405 line TV on a domestic 625   
   line VHS, because I've done it! The field period is 20mS on both   
   formats, so the rotary heads spin at the same speed. The VHS doesn't   
   mind how many lines are included in that period.   
      
   There were domestic 405 line reel-to-reel VTR's - the Sony CV2000   
   being the most well-known and popular one. You could buy a matching   
   monitor and camera for it, to allow you to go out and shoot your own   
   videos.   
      
   > The BBC originally used to convert   
   >between standards (405/525/625) by playing it back on a monitor and   
   >recording from a camera aimed at the monitor.   
      
   That was true of very early 525/625 conversions, but not 405/625, as   
   this could be done using simple electronic line stores and averaging,   
   even in the early days.   
      
   Steve   
      
      
   The Doctor Who Restoration Team Website   
   http://www.restoration-team.co.uk   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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