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Lessons on road to an HDTV

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Old 12-04-2006, 12:34 PM   #16  
Ah, HDTV
 

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Quote:
Originally Posted by GLarry
So how come after all of that research did he go with Consumer Reports advice and not CNET's?

CNET gives the Pioneer PDP-5070HD an 8.4 rating and it's available with shipping included from Amazon for $2850.

That's what I'm buying in a few months.

I've viewed it side-by-side the Panasonic TH-50PX600U and the picture on the Pioneer is well worth the extra $$.
Plus the Pioneer has 5 inputs, cable-card ready, etc...

To me, CNET is the source for detailed info on AV gear, not CR.
\

Cnet is a better source than CR, definitely.
But don't miss out on Panasonics industrial models, the current 50 is TH50PHD9UK. I have an older Gen 7 42, but my PQ is infinitely better than my envious friends'.....and the prices are dropping to around $1800(+ or -) These 9th Gen models are awesome...
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Old 12-07-2006, 11:08 AM   #17  
What is HD?
 

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Cool Question on 1080i

Please excuse my ignorance on this matter, I am still having trouble understanding 1080i format. Can you tell me how many pixels are in 1080i format that are displayed? If I am understanding this correctly, the number of pixels displayed in 1080i depends on the highest native display of the HDTV set. So anything with a p(progressive) would have to display an exact number of pixels, right?
Please set me straight, I have asked many techs in the stores and have received so many different answers, I am REALLY confused.
Thank you for any help! Also please answer each question, I confess to being ignorant of this matter, although I consider myself to be fairly technical minded. Thanks again for any info!!!!
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Old 12-07-2006, 12:14 PM   #18  
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Every fixed pixel display has an inherent native resolution. Generally speaking, what are called 1080p sets tend to have 1920 x 1080. The previous generation tend to have 1366 x 768. The display will ALWAYS show the exact same number of pixels as it natively has. They all have a scaler/deinterlacer that takes whatever kind of signal they get and convert it to what they can display.

"1080i" is a transmission format. It transmits 2 1920 x 540 "half-frames" that are stitched together to make 1920 x 1080. However, only on a 1080p display. On a 1366 x 768 display, that same 1080i signal ends up being a 768p image when it's displayed.

Only talking facts here, not subjective opinions.
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Old 12-07-2006, 02:55 PM   #19  
What is HD?
 

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Ok, Thanks for your help!...
I get it now !...
I now want a 1080P. Now the decision will be DLP or not, Ha.. They seem to be cheaper, and have a bright enough picture. I can't believe how every reviewer thinks they have found the perfect set, which one to believe...
Again, thanks for your info, finally I get a definitive answer!!!! Finally...
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Old 12-07-2006, 03:24 PM   #20  
No HD? We have a problem.
 
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Quote:
Originally Posted by BlasterOne
Please excuse my ignorance on this matter, I am still having trouble understanding 1080i format. Can you tell me how many pixels are in 1080i format that are displayed? If I am understanding this correctly, the number of pixels displayed in 1080i depends on the highest native display of the HDTV set. So anything with a p(progressive) would have to display an exact number of pixels, right?
Please set me straight, I have asked many techs in the stores and have received so many different answers, I am REALLY confused.
Thank you for any help! Also please answer each question, I confess to being ignorant of this matter, although I consider myself to be fairly technical minded. Thanks again for any info!!!!
The 1080i format dispays approx 2 million pixles. 1080i displays 60 fields per second and 30 frames per second. A frame in 1080i is made up of two fields.

The first field in drawn in the first 16.7ms and the second field is drawn 16.7ms after the first field is drawn. The first field draws lines 1,3,5,7,9,etc then the second field draws line 2,4,6,8,etc. The entire frame take 0.0333 seconds to draw.

Since field two is 16.7 ms later than field one there is a possibility of blurring from fast motion such as sports or auto racing.

Now progressive scan video either 720p or 1080p draws each frame completely in the 16.7ms time frame. Since the entire frame is re-drawn every 16.7ms the motion will appear much smoother than a 1080i signal. Also there will be no blurring since the entire frame is re-drawn.

The number of pixels displayed is related to the number of pixels that your TV has.
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