Standard or High Definition: It’s All in the Pixel Count

Most of us don’t think much about the images we look at on a TV, flat-panel display, or on a laptop or desktop computer screen; that is, we don’t think about what comprises the image—because our eyes and brain merge all the elements of color, brightness and contrast into a “picture” we immediately see. The process is similar, but not exactly analogous, to what happens when we watch a movie. We don’t sit there and dissect the 24 still pictures presented sequentially every second (in the case of a TV program, 30 frames per second). Our visual system and brain merge the rapidly moving images into motion, and if the TV show or movie is any good, we’re happy.

Read the rest of the article at ecoustics.com.