1280x720 (at) 60fps is legitimate. It's referred to as "720p", or if frame
rates are mentioned, 720/60p or 720/24p. 720/24p is very common. There are
no interlaced options in 720p.
The arguments about 720p being "half HD" are false. When you compare the
quality of 1080i vs 720p, considering one field of 1080i (1920x1080
interlaced) is only "half" a field by virtue of interlacing, the outcomes
are nearly equal.
Half the broadcast industry uses 720p because the data rate allows other
control signals (such as On Demand interaction) to be pushed down the pipe.
That said, the other half of the broadcast industry thinks 1080i rules. But
the REAL winner is 1080p. Broadcasters aren't using 1080p yet, but some
Blu-Ray/HDDVD titles will eventually go that route.
John
-----Original Message-----
From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of
digimata
Sent: Thursday, April 05, 2007 8:44 PM
To: XSI(at)Softimage.COM
Subject: 720i
Is 720i (1280x720 interlace) a legitimate video format?
Just about to render a 1280x720 project in XSI, it defaults to
progressive (60 frames a second)
Thanks,
Leoung
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