[mythtv-users] HDTV on Myth -- is it a "myth?"

Joe Barnhart joebarnhart at yahoo.com
Mon Oct 11 05:59:09 UTC 2004

--- Doug Larrick <doug at ties.org> wrote:

> Joe Barnhart wrote:
> > Hmm.. Doesn't something seem fundamentally wrong
> about
> > this?  Why should 1920x540 look the same as
> 1920x1080?
> 1080i at 30 Hz is identically the same as 540p at 60
> Hz.  Suggest you do 
> some reading.

What is the same, Doug?  The horizontal scanning
frequency of 33.75kHz?  I agree.  How about the image?
 With 1080i you get two different frames of
information, 30 times each second.  With 540p you get
two identical frames 30 times each second.  Shouldn't
they look different?  I think they should.

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