They function beautifully with the analog television broadcasting of today. And they prepare the way for the digital television broadcasting of tomorrow. It's no less than you'd expect from Sony, the people Defining the Digital Future. The transition to Digital Television will take years. Based upon a massive analysis of thousands of High Definition TV picture patterns, Sony's Digital Reality Creation replaces the NTSC patterns with their correct High Definition counterparts.
DRC circuitry provides four times the total picture density.
For conventional, 480-line interlaced sources, DRC doubles both vertical and horizontal density. You get an amazing four times the total picture density. In contrast, computers were a world of progressive scanning, which displays all the scanning lines at once. The good news is that DTV accommodates both systems. MID circuitry can place both the old and new television signals together on the same screen.