TV or DVD Settings: Your Recommendations? - AVS Forum
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post #1 of 5 Old 03-10-2008, 10:16 PM - Thread Starter
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I plan to get the new '08 Panasonic TH-50PX80U Plasma (720P Model)........AND......the current Pioneer DV-400VK as soon as I sell my TV.

The reason I'm a asking is that the TV will, of course, be 720P and the Pioneer DVD player can output to, I believe, 1080i. A number of posts have suggested the your DVD play be set to 480 i or p AND let your TV do the conversion to 720P "If it has a good processor". So given the names of these two sets would you say I should set the DVD player to 480P and then Let the TV do the "upconvert"? Which is likely to give me the "best" picture.
I guess what I'm trying to ask in a round about way: Is Pioneer OR the Pany TH-50PX80 most likely to get me the best signal. So what should the setting of my TV and the DVD player be. Thanks for your time and attention!
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post #2 of 5 Old 03-10-2008, 11:47 PM
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Quote:
Originally Posted by kmil View Post

A number of posts have suggested the your DVD play be set to 480 i or p AND let your TV do the conversion to 720P "If it has a good processor".

Here is the Dick and Jane approach:
  • The native resolution of a SD DVD is 480i or 720x480
  • 720p is 1280x720
  • 1080i/p is 1920x1080
Your Panasonic TH-50PX80U TV resolution is 1366x768; this is a non-standard resolution! It is not 720p and it is not 1080i/p !!

You have THREE options:
  • If you set your DVD player to 720p: the player upconverts the 720x480 native DVD image to 1280x720 (720p) which the TV then has to further upconvert to 1366x768 before it can display it. This is a double conversion. Not good.
  • If you set your DVD player to 1080i: the player upconverts the 720x480 native DVD image to 1920x1080 (1080i) which the TV then has to downconvert to 1366x768 before it can display it. This is a double conversion. Not good.
  • If you set your DVD player to 480i/p: the player sends the 720x480 native DVD image to the TV which upconverts it directly to 1366x768 to display it. This is the minimum amount of processing possible. This provides the most pristine image available.
Using an external scaler (DVD player or otherwise) is only of benefit if you can defeat the TV's scaler.

Because your TV is a non-standard resolution, your TV scaler is ALWAYS working - you do not have any choice in this matter!

But in the end, you should try all combinations and use what you LIKE!

"The greatest obstacle to discovery is not ignorance  it is the illusion of knowledge." - Daniel Boorstin
"Our lives begin to end the day we become silent about things that matter.
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post #3 of 5 Old 03-11-2008, 08:36 AM - Thread Starter
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Cavu:

You are a genius and a scholar :-) Thanks for being precise and to the point!
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post #4 of 5 Old 01-23-2011, 02:24 PM
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Would this be the same for direct tv? I have this exact tv and my direct tv is set on the 720 setting. My eyes arent good enough to tell but if I changed it to 480 will it be the same concept? And in return get me a better picture
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post #5 of 5 Old 01-23-2011, 02:35 PM
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Quote:
Originally Posted by Lifted07Duramax View Post

Would this be the same for direct tv? I have this exact tv and my direct tv is set on the 720 setting. My eyes arent good enough to tell but if I changed it to 480 will it be the same concept? And in return get me a better picture

The bottom line is the source should be set to "native"; that is:
  • If the source is SD TV, then the output should be 480i;
  • If the source is standard DVD, then the output should be 480i;
  • If the source is 720p HDTV*, then the output should be 720p;
  • If the source is 1080i HDTV*, then the output should be 1080i;
  • If the source is 1080p BD, then the output should be 1080p.
Etc., etc.

* See THIS THREAD to determine which format each HDTV channel is using.

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