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» Film-Tech Forum ARCHIVE   » Community   » The Afterlife   » Video Scaling: RGB Analog vs. DVI-D

   
Author Topic: Video Scaling: RGB Analog vs. DVI-D
Aaron Garman
Phenomenal Film Handler

Posts: 1470
From: Toledo, OH USA
Registered: Mar 2003


 - posted 04-27-2010 06:04 PM      Profile for Aaron Garman   Email Aaron Garman   Send New Private Message       Edit/Delete Post 
So I recently picked up a second hand DVDO iScanHD scaler for scaling my LaserDiscs. In playing around with the unit, I found that the RGB analog out had a better picture than the DVI-D output. I had each set to output 1080p/60, and for some reason the RGB is producing less noise, and seems to have slightly better resolution too.

I would have thought the DVI-D connection would be better since the scaling and de-interlacing is being done digitally and then output digitally.

The scaler is outputting RGB color space, and I believe the DVI-D is outputting component color space. Would this account for the difference in quality?

I've got the scaler connected to a 1080p LG LCD television.

AJG

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