How Do They Do It (hd) -

HD shifted the viewing experience from a square-like 4:3 ratio to a 16:9 widescreen format, mirroring the field of vision of human eyes and cinema screens. The Evolution: From Analog to Digital

Older TVs used "interlacing," drawing half the picture in one pass and the other half in the next. Modern HD often uses progressive scanning (the "p" in 1080p), which draws every line in sequence, resulting in smoother motion and less flicker. How do they do it (HD)

At its core, "how they do it" involves increasing the density of —the tiny individual points of light that form an image. HD shifted the viewing experience from a square-like