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best setup for greenscreen ex1 and ajaiohd

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Martijn Scholte
best setup for greenscreen ex1 and ajaiohd
on Sep 18, 2008 at 2:23:22 pm

hi there

i am looking for the best possibel greenscreen setup
using a ex1 and a aja iohd i use the hdsdi output
and would like to record everything in 108025p
(the ex1 manual states that 108025p outputs over hdsdi output as 25psf )
the aja "sees" a 1080i25 signal also in the aja control panel in the big pink middel section it states "8 bit"
(the i because the source is psf basicly progressive but build up as interlaced as far as i understand)

and sometimes only YUV whit no mention of bit?

as i understand the ex1 always records 1920x1080 but when 720 is chosen their is a downscale aplied

whit the 720p50 ex1 preset the aja "sees" a 720p50 signal

i would like to know what you pro's know about this and what would be best for me to use to get the cleanest matte
final format would typicly be 640x360 or 720x405

i've read some story's from mr juan martines that is stating that in EE mode there is "true" 10bit 422 signal i wonder if i not record on the ex1 the state of the camera is always EE?

would p50 give me beter results for fast motion when final movie is only p25?

thanks in advance

The box said 'Requires Windows 95, or better.' So I bought a Macintosh.

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Noah Kadner
Re: best setup for greenscreen ex1 and ajaiohd
on Sep 18, 2008 at 3:38:49 pm

Shoot 1080 25p.


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Rafael Amador
Re: best setup for greenscreen ex1 and ajaiohd
on Sep 22, 2008 at 2:39:42 am

I agree with Noah: 1080p25.
Capture Prores HQ.
I guess that when you are not recording in the SxS cards the HD-SD/SDI is in EE.

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