What are the various types of Comb Filters, and how do they differ?
A 3D Y/C (also known as 3D Digital Comb Filter) is the best type of comb filter available today. In addition to separating the Y (black and white) and C (color) elements of a video signal, a 3D Y/C filter performs two additional key functions. While comparing three consecutive horizontal scan lines within a single video frame, it also analyzes each frame in advance, ensuring the best possible picture.