[opendtv] Re: HD vs. 625 vs. 525 vs. 405
- From: Terry Harvey <tjharvey@xxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Sat, 28 Aug 2004 08:52:29 -0700
>Strike interlaced from the line below. I acknowledge that the Kell Factor
>has nothing to do with interlacing
>
>Recall that system A was developed in 1935/36, before Kell and others
>discovered that interlaced the vertical resolution was not ideal. Hence
>when in the U.S.A. 441 lines with double sideband transmission (later
>superceding by 525 vestigial sideband) was introduced, the Kell compromise
>was reached.
>
>Terry Harvey
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