Toshiba 46XV640U 46-Inch 1080p Full HD LCD TV with ClearFrame 120 Mhz DynaLight Dynamic Back-Light Control - Definition: Built-In ATSC/NTSC/QAM digital tuning allows for tuning of standard cable channels as well as off-air digital broadcasts, in addition to digital "cable-in-the-clear" broadcasts. Built-In ATSC/NTSC/QAM Digital Tuning - Definition: Cinespeed LCD panel has 8ms or less response speed necessary for cleaner high-action home theater images. A wide viewing angle ensures that youll have the best seat in the house. Cinespeed LCD Panel