Blame closed captioning. With analog video, closed captioning is sent as data at the very top of the picture. This appears as white blocks moving around the top. With analog TVs, the over scan was enough to hide this data, but with digital TVs you have the ability to actually display the entire picture including this annoying noise at the top. Most viewers don't like seeing moving noise at the top of the screen, so manufactures naturally set the TV to crop it out. This is becoming less of an issue with more video sources being digital and never having the analog CC data added to the picture in the first place.
“That iconic Klipsch sound is here in full force, with crisp highs, delicate mids (which can easily have a bit more meat added with an EQ tweak) and tight, booming bass.”
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Blame closed captioning. With analog video, closed captioning is sent as data at the very top of the picture. This appears as white blocks moving around the top. With analog TVs, the over scan was enough to hide this data, but with digital TVs you have the ability to actually display the entire picture including this annoying noise at the top. Most viewers don't like seeing moving noise at the top of the screen, so manufactures naturally set the TV to crop it out. This is becoming less of an issue with more video sources being digital and never having the analog CC data added to the picture in the first place.