Comcast’s HDTV Quality Critiqued

In the black art of video compression, the trick is to fool the human visual system into seeing things that aren't there.

All digital video is compressed. The technology that does this removes a lot of data, stripping out visual information in clever ways so it can be packed down, sent over a wire or satellite, then unpacked on the viewing end to a TV set. ...

Read the full story at MultiChannel News