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Old 11-20-2007, 01:21 AM   #1
Calgaryman24 Calgaryman24 is offline
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Oct 2007
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Default viewing distance.

Just wondering if 6-7 feet is a good viewing distance on a 32" lcd. 1080i. Is there a magic number with viewing distances, or is it more average preference that is used as a standard reference?
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Old 11-20-2007, 01:27 AM   #2
theknub theknub is offline
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i think standard viewing would prob be 2 or 3 picture heights distant. however, i know of someone in particular who i believe prefers around 1.5. this comes from an old thread and is prob a good rule of thumb

http://www.carltonbale.com/2006/11/1080p-does-matter/

there is a graph on there that can be pretty informative.
:)

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Old 11-20-2007, 01:30 AM   #3
MouseRider MouseRider is offline
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SMPTE (Society of Motion Pictures and Television Engineers) recommends a field of view of 30 degrees.

THX, similarly, specifies that the last row should have a angle of at least 26 degrees and the optimum being 36 degrees.

Here's a Web site that has all the explanation and a calculator.
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Old 11-20-2007, 01:32 AM   #4
theknub theknub is offline
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Quote:
Originally Posted by MouseRider View Post
SMPTE (Society of Motion Pictures and Television Engineers) recommends a field of view of 30 degrees.

THX, similarly, specifies that the last row should have a angle of at least 26 degrees and the optimum being 36 degrees.

Here's a Web site that has all the explanation and a calculator.
gracias, even better
:)

Sony KDF-50E2000, Yamaha RX-V1700, Samsung BD-P1000, PS3 60GB, B&W 602 S2 fronts, B&W CC6 center, B&W 601 S2 rears, M&K-125 sub

-Girls hang out, apply make-up, and have long talks in the bathroom. Men do not.

-...blacking out is, as Hemingway pointed out, a way of experiencing the great mystery of death, without dying.

-december BD's- 5/ warner 3... warner total ~15
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Old 11-22-2007, 06:46 AM   #5
mugen302005 mugen302005 is offline
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My sitting distance is 7.7 ft. Should I get a 46" lcd tv or a 40" one? Given the fact that both would be only 1080i maximun capable, Will I be better off with a smaller tv in order not to struggle for 1080p?

How about that info stating that the qualities for chosing a good tv are in order of importance contrast, refresh ratio, and finally resolution, is it true?
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Old 11-22-2007, 06:55 AM   #6
MouseRider MouseRider is offline
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Viewing distances are determined for perceptive effect and doesn't deal with resolution.

1080p or 1080i isn't going to affect your viewing distance.

Digital displays will all display progressive pictures in the end so the biggest difference between p and i is how good your de-interlacer is if you're using 1080i.
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Old 11-22-2007, 06:58 AM   #7
Gio Gio is offline
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great chart i was wondering why i noticed a great difference between 1080i and 1080p

looking at the chart did you notice 1440p

HD-DVD can't do 1080p with uncompressed PCM like BLU can, due to space limitations now

R.I.P. HD-DVD

this strengthens the arguement for BLU-RAY
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Last edited by Gio; 11-22-2007 at 07:03 AM.
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Old 11-22-2007, 08:32 AM   #8
WriteSimply WriteSimply is offline
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Default

The optimum viewing distance is about 2-3 picture heights. Beyond that, it is mush IE the projector can be out of focus a bit and you can't tell much difference. The same rule applies at home.

At 46", the width of the TV is 40.11". Watching 1.78/1.85 movies, the picture height will be 22.54". Watchin 2.40 movies, the picture height is 16.77". So minimum distance equals 2 PH of 2.40 movies is 33.54"/2 feet 8 and maximum distance is 3 PH which is 50.31"/4 feet 2.


fuad
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Old 11-22-2007, 03:59 PM   #9
mgonzo2u mgonzo2u is offline
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ROT is 2x tv width
This space reserved for the next tech war
UPDATE: New Tech War has arrived
Name that new high def TV
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Old 11-22-2007, 11:22 PM   #10
Deciazulado Deciazulado is offline
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Quote:
3. Viewing Angle

a) Horizontal

The angle subtended by the left and right edges of the Cinemascope image and the farthest seat in the auditorium is recommended to be 36 degrees.
That's 3.6 PH for a Scope movie. Means that the farthest you should watch Scope movies on a 16:9 display is 1.33x the diagonal of the 16:9 screen to get that theater last row viewing angle. Remember that's the farthest.
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Old 11-22-2007, 11:44 PM   #11
richteer richteer is offline
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Default HD or SD?

THX and SMPTE recommendations aside, are these recommendations for SD or HD? One could get closer to an HD screen without seeing pixels, for example. (Conversely, with SD, you'd want to be at least xx feet away, to avoid seeing pixels.)
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Old 11-22-2007, 11:46 PM   #12
chrisshea chrisshea is offline
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got 52" lcd bravia xrb2 i see at around 8 feet
52" Sony BRAVIA Lcd "KDL52XBR2"
Yamaha HTR6090B 7.1
PS3
HDMI all the way!
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No crapy hd-dvd's
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Old 11-23-2007, 05:55 AM   #13
bootman bootman is offline
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My sig has a calculator.

A little HDMI history lesson:
HDMI 1.0 - December 9, 2002, HDMI 1.1 - May 20, 2004, HDMI 1.2 - August 8, 2005, HDMI 1.2a - December 14, 2005, HDMI 1.3 -June 22, 2006, HDMI 1.3a - November 10, 2006, HDMI 1.3b - March 26, 2007, HDMI 1.3b1 - November 9, 2007, HDMI 1.3c - August 25, 2008, HDMI 1.4 - May 28, 2009, HDMI 1.4a - March 4, 2010, HDMI 1.4b - October 11, 2011, HDMI 2.0 - September 4, 2013, HDMI 2.0a - April 8, 2015
HDMI 2.1 - Q4 2016?
remember OEMs need to eat too. ;)
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