DisplayMate benchmarks project the best and the worst in DLPs

For this review, the GCN Lab generated images on each digital-light-processing projector and used image benchmarks from DisplayMate Technologies Corp. of Amherst, N.H., to pinpoint flaws in image uniformity, white saturation, and color consistency and accuracy.

The DisplayMate tests were rigorous'not only on the DLPs, but also on the testers, who had to perfect the setup each time. It took us about 12 steps to set the specifications properly for each DLP, balancing contrast and color as well as precisely measuring projected image size and distance from the screen.

The benchmarks ran on a Pentium 4 PC with 512M of RAM and a video card from Matrox Electronic Systems Ltd. of Dorval, Quebec. The computer connected to a video splitter, which lets us objectively compare image quality. Some of the flaws that DisplayMate spotted were unusual color tinting, wavy lines and fuzziness.

The comprehensive benchmark suite, priced from $69 up, can test video boards as well as plasma, CRT and LCD screens. Visit www.displaymate.com for more information.

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