What is ATSC / QAM Digital TV Tuning?
ATSC is the 8VSB (8-level Vestigial Sideband Modulation) system. This is the digital TV broadcast system chosen by the ATSC (Advanced Television Systems Committee) for broadcast TV in the USA. QAM (Quadrature Amplitude Modulation) is the digital TV system chosen by the U.S. Cable TV companies for user over digital cable. Toshiba integrated digital TVs have both ATSC and QAM digital tuning capability so that you can receive terrestrial digital broadcasts as well as digital cable-in-the-clear broadcasts. [BACK TO TOP] • What is CableClear DNR Plus? Designed to optimize poor NTSC signals from antenna or cable, this noise reduction system eliminates video noise “snow” for a clean, crisp image. This system detects the quality of the incoming video signal, and automatically applies the needed amount of video optimization. It utilizes the 3DYC comb filter to compare video fields and determine the existence of random luminance noise. Digital filters then eliminate field variances to clear the
