[opendtv] Re: Frames Per Second of 720P

  • From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Fri, 18 Jul 2008 16:48:53 -0400

John Shutt wrote:

> This is exactly why I don't understand the nomenclature that
> seemed to only come into fashion with the advent of HD, of
> calling 1920x1080 thirty frames per second interlaced as "i60"

Two points:

1. ATSC documentation always says i30.

2. So, am I to conclude that 50+ years ago, 525/60 meant 60 frames per

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