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Why does our new plasma HDTV have a lower quality/grainy picture?

April 26, 2017consumer electronics GRAINY hdtv lower Plasma quality TVs

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Why does our new plasma HDTV have a lower quality/grainy picture?

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SD TV does not look good on an HDTV. On my 40″, I have to sit about 8″ back for it to look good, and my set was well rated for SD display. How good or bad it looks depends on the input signal’s quality. A 50″ widescreen has a picture height equivalent to a 41″ standard TV. When you blow-up analog TV that was never designed for displays that large, right away you have a problem. On top of that, in order to be displayed on an HDTV, the signal has to be deinterlaced and up-scaled to the native resolution of the set. This processing introduces artifacts. Non-up-converted DVDs should look pretty good. That;’s as good as you can get from SD material. If from about 10″, your picture isn’t acceptable, then you may want to look for a set that’s better rated for SD.