Do ghosting, vertical lines, etc.? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 08-19-2019, 11:59 PM - Thread Starter
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Do ghosting, vertical lines, etc.?

One of the things that always eats away at me is when I start noticing imperfections on my TV screen. Recently, my LG tv started pulsating at a corner. It would bright to dim, bright to dim. Just a corner, nobody notices it but me. My living room Samsung has faint vertical. Again, nobody notices it but me. LOL! So what I'm asking... is this one of the advantages of projectors? Not having to deal with panel imperfections and defects that happen through time?
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post #2 of 5 Old 08-20-2019, 05:31 AM
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Originally Posted by moctodavs View Post
One of the things that always eats away at me is when I start noticing imperfections on my TV screen. Recently, my LG tv started pulsating at a corner. It would bright to dim, bright to dim. Just a corner, nobody notices it but me. My living room Samsung has faint vertical. Again, nobody notices it but me. LOL! So what I'm asking... is this one of the advantages of projectors? Not having to deal with panel imperfections and defects that happen through time?
I don’t know of anyone that went from a flat panel TV to a projector to avoid screen artifacts. Most here are of the belief that TV PQ is pretty tough to better these days with a projector.

I doubt you will see the things that bother you with a projector but there are other artifacts that may take their place.

Most people go with front projection for one reason and that is size, immersion and a movie like large image.

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post #3 of 5 Old 08-20-2019, 08:43 AM
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Typically if you are seeing pulsing and such, then that is a matter of the TV itself having motion enhancement and contrast enhancement features turned on. This is something which can also be displayed in projectors. Most notably, motion compensation can be good or bad, and better video processing tends to be in more expensive models. But, dynamic contrast, through use of an auto-iris, is used all the time in projectors and can very easily produce a 'pulsing' on screen of black levels which rise and fall. This can be extremely visible to viewers and like most features, is something that can usually be turned off so it doesn't bug you anymore. If nobody else notices it, then the reason you turn it off is to make yourself happier about all of it.

Projectors aren't immune to having image defects, and projectors often use similar video processing to what televisions use. But, I would first look at the TVs I owned and try to figure out what settings they are using which are not making me happy, and try to correct them.

Projectors are similar to TVs, but the difference is all about the size. 120" of projector diagonal (or larger) is tough to compete with when you only have a 60" television. You begin to scoff when people get excited about their new 70" TV 'home theater' setup. You say things like: "That's not a home theater! Home theater starts at 100 inches!!!" And, some projectors, like the LCoS models from Sony and JVC can look absolutely incredible in a good room.

But, front projection has a long list of hurdles and requirements which must be met to get the absolute best image possible. They certainly aren't just a 'TV replacement' product.

AV Integrated - Theater, whole house audio, and technology installation in the Washington DC metro area.
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post #4 of 5 Old 08-20-2019, 10:42 AM
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Quote:
Originally Posted by moctodavs View Post
One of the things that always eats away at me is when I start noticing imperfections on my TV screen. Recently, my LG tv started pulsating at a corner. It would bright to dim, bright to dim. Just a corner, nobody notices it but me. My living room Samsung has faint vertical. Again, nobody notices it but me. LOL! So what I'm asking... is this one of the advantages of projectors? Not having to deal with panel imperfections and defects that happen through time?
Projectors due to the nature of the their display chips are probably less prone to these kinds of defects, especially for DLP based projectors. However, the key thing you need to ask yourself is: Do I want a much larger display to gain the immersive qualities of a home cinema?
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post #5 of 5 Old 08-20-2019, 12:44 PM
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All technologies have defects or potential faults, including projectors, rainbow effect of dlp, worse on non rgbrgb wheels of 3000lm dlps, or misaligned panels on 3lcds, motion judder without frame interpolation on 3lcd and some dlp models, high lamp price on dlps, dust blobs on dlp and even more 3lcd with bad filter, up to panel degradation or banding on fi on top models and brands in the recent past...etc. etc.

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