AVS Special Member
Join Date: Jan 2003
Location: Springfield, MO
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Having owned a couple of high-end scalers, I am of the opinion that their simple ability to scale and deinterlace often does NOT provide a visible image improvement over what you get from the processors in many of the newer projectors. For example, I thought that the HQV processing in the Vantage HD product noticeably improved the image I saw from a SIM2 HT3000, but offered little in the way of improvement to the Sharp 20K.
Where an external processor can really make a difference is when it includes controls that allow you to calibrate the image better than what the projector's native controls allow.
For example, the VXP-based Optoma HD3000 has both a full compliment of gray scale and color decoding controls that can make a real difference to image quality if you are willing to have the projector calibrated. Also, the endlessly always-around-the-corner Lumagen Radiance will have both of these features and they promise to add a complete CMS that would allow you to dial in nearly perfect color. Either could make a profound difference.
ChromaPure Software/AccuPel Video Signal Generators