This IS the Avid L2: Re: [Avid-L2] AMA Canon 5D Footage Fps and raster size?

Wednesday, January 25, 2012

Re: [Avid-L2] AMA Canon 5D Footage Fps and raster size?

I'm with Steve on this one.

720x486 = 349,920 pixels
640x480 = 307,200 pixels

They might both be SD technically, but the first one has about 14% more
resolution.

Cheers,
--Michael

On 12-01-25 3:14 PM, Mark Spano wrote:
>
> Steve,
>
> 480 lines of resolution is SD. The math there is that .9 ratio times 720
> equals 648 but that is representative over 486 lines. 640 is the best math
> for 4x3 to get 480. (640 *3 / 4 = 480). And we're talking about square
> pixels, so that math works out perfectly.
>
> The artful look of the square is the best reason I've ever heard why
> anyone
> would shoot this way. But possibly the fear of downconversion softness is
> why they shot SD for an SD spot.
>
> good luck...
> -Mark
>
> On Wed, Jan 25, 2012 at 6:08 PM, Steve Hullfish
> <steve4lists@veralith.com <mailto:steve4lists%40veralith.com>>wrote:
>
> > I don't buy that. I mean I know it's CLOSE to real SD, but...
> >
> > The difference between square pixels and 601 pixels is .9 right? The
> math
> > (720x.9) works out to slighly more than 640. And 480 is a little shy
> of 486.
> >
> > Avid used to claim 640x 480 was broadcast SD, but it's really 720x486.
> > With 720x480 being DV and DVD.
> >
> > So it's CLOSE to SD, but I say it's NOT SD. The bigger question is WHY
> > shoot 4:3 SD when you have a 16:9 camera? For the artful look of the
> > square? :-)
> >
> > Steve Hullfish
> > contributor: www.provideocoalition.com
> > author: "The Art and Technique of Digital Color Correction"
> >
> > On Jan 25, 2012, at 4:38 PM, Terence Curren wrote:
> >
> > >
> > >
> > > --- In Avid-L2@yahoogroups.com <mailto:Avid-L2%40yahoogroups.com>,
> Steve Hullfish <steve4lists@...> wrote:
> > >
> > > <<it has a 640x480 setting. So that's actually LESS than SD.>>
> > >
> > > Not actually. If it's square pixels that is SD.
> > >
> > >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
> > Search the official Complete Avid-L archives at:
> > http://archives.bengrosser.com/avid/
> > Yahoo! Groups Links
> >
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>

[Non-text portions of this message have been removed]