Re: 1080i format question

Date : Sun, 28 Aug 2005 11:29:21 -0700 (PDT)
To : DS(at)Softimage.COM
From : Bogdan Grigorescu <bogdan_grigorescu(at)yahoo.com>
Subject : Re: 1080i format question
Never got one, because I was reluctant on their
ability to provide solid FW to RS422 conversion. We're
struggling with a Decklink Multibridge HD(A/D
conversion) + TAO(LANC to RS422 converter) with no
encouraging results yet.

Bogdan

--- tony(at)hdheaven.co.uk wrote:

> Understood.
> 
> And well put :)
> 
> T.
> ps - how are you getting on with the Miranda HDV
> box?
> 
> 
> > Of course it is, I think Matthew was trying to
> > emphasize the similarities between interlaced and
> > progressive segmented frame(psF)in HDCAM.
> > And he is right to a certain point, that point
> being
> > how signals/fields/segments/frames are handled
> inside
> > a HDCAM recorder in either mode.
> > However, if the words camera, camcorder or shoot
> come
> > into the picture, then the theory no longer works,
> and
> > the fundamental difference between
> progressive(even
> > psF)and interlaced, as temporal sampling methods,
> > becomes obvious. It is the camera head where this
> > process takes place, and is has nothing or very
> little
> > to do with the further processing/recording steps.
> >
> > Bogdan
> >
> > --- tony(at)hdheaven.co.uk wrote:
> >
> >> So... 1080i is interlaced, right?
> >>
> >> Even in the US ;-)
> >>
> >> Cheers,
> >> Tone :)
> >>
> >>
> >> > FCC specifications for DTV are pretty
> >> straightforward - "today" ....
> >> >
> >> >
> >> >
> >> > Format
> >> >
> >> > Vertical
> >> > Scan Lines
> >> >
> >> > Horizontal Pixels
> >> >
> >> > Aspect Ratio
> >> >
> >> > Scan Mode
> >> >
> >> > Frame Rate (fps)
> >> > H
> >> > D
> >> > T
> >> > V
> >> >
> >> > 1080p
> >> >
> >> > 1080
> >> >
> >> > 1920
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 24
> >> > 1080p
> >> >
> >> > 1080
> >> >
> >> > 1920
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 30
> >> > 1080i
> >> >
> >> > 1080
> >> >
> >> > 1920
> >> >
> >> > 16:9
> >> >
> >> > Interlaced
> >> >
> >> > 30
> >> > 720p
> >> >
> >> > 720
> >> >
> >> > 1280
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 24
> >> > 720p
> >> >
> >> > 720
> >> >
> >> > 1280
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 30
> >> > 720p
> >> >
> >> > 720
> >> >
> >> > 1280
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 60
> >> > E
> >> > D
> >> > T
> >> > V
> >> >
> >> > 480p
> >> >
> >> > 480
> >> >
> >> > 704
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 24
> >> > 480p
> >> >
> >> > 480
> >> >
> >> > 704
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 30
> >> > 480p
> >> >
> >> > 480
> >> >
> >> > 704
> >> >
> >> > 16:9
> >> >
> >> > Progressive
> >> >
> >> > 60
> >> > 480p
> >> >
> >> > 480
> >> >
> >> > 704
> >> >
> >> > 4:3
> >> >
> >> > Progressive
> >> >
> >> > 24
> >> > 480p
> >> >
> >> > 480
> >> >
> >> > 704
> >> >
> >> > 4:3
> >> >
> >> > Progressive
> >> >
> >> > 30
> >> > 480p
> >> >
> >> > 480
> >> >
> >> > 704
> >> >
> >> > 4:3
> >> >
> >> > Progressive
> >> >
> >> > 60
> >> > 480p
> 
=== message truncated ===



		
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