51'' HD Wide Screen Projection Television 51'' TheaterWide HDTV Monitor with 3D Y/C (4MB, 10 Bit) Digital Comb Filter and Vertical Contour Correction provides more accurate processing of RF and composite video signals for a sharper, cleaner picture. This advanced Comb Filter significantly reduces detail noise, seen as shimmering or flicker, in complex or intricately detailed scenes. CrystalScan HDSC upconverts all video signals (including 480i/p) to 1080i HD. This results in a significant reduction in jagged-line artifacts which produces a smoother, more natural image. Selectable 540p, for users who want to display a progressive scan image from a progressive scan source, is available via the on-screen menu. TruView combines the following picture enhancement technologies: Black Level Expansion, Fine White, Flesh Tone Correction and Color Detail Enhancer, this system automatically reproduces more accurate picture detail and true color.