Official Sony [X9] XBR-55X900A / XBR-65X900A Owner's Thread - Page 178 - AVS Forum
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post #5311 of 12156 Old 02-11-2014, 07:23 PM
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FWIW - I finally did get some 4k content onto my set.

I hooked up my Macbook Pro via HDMI high speed cable and pulled up some of the 4k youtube videos.

A few things I noticed...

1. many of the clips are not 4k - maybe 4k sourced, but only play back at 1080p

2. there are quite a few 'stock footage' clips in 4k that let you choose 2160p 4k as an option - these are the ones I ran

3. Bandwidth consumption...

Wasn't as bad as I expected. I did see a high spike of 11mbps on initial load of a few of the videos - but most averaged 3-5mbps.

4. Colors/Detail were pretty good - but not nearly as sharp as I recall seeing on the Samsung demo. The reason for this is likely due to it being streamed (rather, seemed like a progressive download vs an actual stream) and the compression. I did see some jitter and some pixelation at times - but again, likely due to compression/streaming, etc. Otherwise, MUCH better than 1080p streamed - you could tell the difference for sure.

5. Zero buffering and almost instant startup for me - but I am on a 180mbps link...

I'm unclear as to what codec this was - i.e. Google's proprietary or something else (h.264 @ 4k?) I'm sincerely hoping that Netflix's HEVC streams will not show the same compression artifacts that this did.

There seems to be more and more 4k videos to choose, so that's somewhat hopeful.

The worst part of this now?

I want all my content 4k now... :|
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post #5312 of 12156 Old 02-11-2014, 09:18 PM
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You need to download and install this software on your MBPro: http://www.4kdownload.com/products/product-videodownloader

Then you can download the videos in their original 2160p resolution (check to make sure you've selected the correct file…it will usually be the first option listed when you launch 4K Videodownloader), and play them back full screen with the latest version of VLC (v2.1.2 supports 4K & HEVC).
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post #5313 of 12156 Old 02-11-2014, 09:25 PM
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Originally Posted by Rudy1 View Post

You need to download and install this software on your MBPro: http://www.4kdownload.com/products/product-videodownloader

Then you can download the videos in their original 2160p resolution (check to make sure you've selected the correct file…it will usually be the first option listed when you launch 4K Videodownloader), and play them back full screen with the latest version of VLC (v2.1.2 supports 4K & HEVC).

Thanks - I'll give this a try tomorrow.

Should I expect any compression artifacts due to the codec, or crystal clear?

FWIW - hints of a 4th generation Apple TV have been found in latest iOS software. Hoping it supports 4k output... The AppleTV is overdue for an update!
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post #5314 of 12156 Old 02-11-2014, 09:33 PM
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I loaded the software on my Mac Mini (late 2012 Core i7, running Mountain Lion off of an external HDD) and was able to play the files with no problem whatsoever. I also downloaded the software and the video clips on my Win7 PC, and had the same exact results…the files play smoothly and look razor-sharp on the 50" Seiki the PC & Mac Mini share as a monitor. It would be nice to have 4K support on the new Apple TV…it would give me an excuse for getting a new TV. wink.gif
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post #5315 of 12156 Old 02-11-2014, 09:41 PM
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Quote:
Originally Posted by tdrozdowski View Post

FWIW - I finally did get some 4k content onto my set.

I hooked up my Macbook Pro via HDMI high speed cable and pulled up some of the 4k youtube videos.

A few things I noticed...

1. many of the clips are not 4k - maybe 4k sourced, but only play back at 1080p
Does your macbook pro have a video card that you can change the resolution to 3840 x 2160?

if not you will only get upscalled 1080p
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post #5316 of 12156 Old 02-11-2014, 10:17 PM
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Originally Posted by everunman View Post

Does your macbook pro have a video card that you can change the resolution to 3840 x 2160?

if not you will only get upscalled 1080p

Yup - the Mac reports the 3840x2160 resolution and all the windows and fonts are pretty tiny. smile.gif. I may try to force hiDPI mode just to see if it'll work well enough for me to do some work on it. I've only connected up a couple of times since all my
Hdmi ports are currently taken.
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post #5317 of 12156 Old 02-11-2014, 10:24 PM
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Originally Posted by everunman View Post


if not you will only get upscalled 1080p

The one YouTube clip that claims 4k but wasn't was the Dubai one. Highest resolution it gave me was 1080p. There were a few like that. On others I had a choice of 2160p.

I've also read people have had better experiences with YouTube 4k on safari vs chrome. I tried chrome - but I'll test against latest safari to see for myself. Though chrome has some vp8 flags you can enable so maybe that would help produce better results overall.
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post #5318 of 12156 Old 02-12-2014, 05:10 AM
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The easiest way to tell if these video clips are playing in 4k on your pc is open them up in VLC media player. Go to TOOLS, and CODEC.

 

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post #5319 of 12156 Old 02-12-2014, 05:20 AM
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Here is the Dubai video.

It's not 1080 and it's not 4k either.

 

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post #5320 of 12156 Old 02-12-2014, 05:42 AM
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Quote:
Originally Posted by HDTVAV View Post

Looking for an honest answer...smile.gif

Does anyone have a problem with this TV being only 120 Hz (and not 240 Hz); and being only edge lit (and not full array)?

nope, sometimes i forget this tiv is edgelit because how good it is uniformity wise. It has Some inky blacks for an edgelit as well. I would have loved for the set to be full backlit but that brings up other problems like verticle bandings like on the XBR HX950 2012 model. The motion is as smooth as any top 240 hz 1080p set in my opinion and it handles it very well. Great contrast as well. I'm happy smile.gif
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post #5321 of 12156 Old 02-12-2014, 05:56 AM
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nope, sometimes i forget this tiv is edgelit because how good it is uniformity wise. I'm happy

Exactly the way I feel about the picture on my 65/900. I liked it when I first saw it, and that's what Sony was offering. I said that to HDTVAV in my email reply.

Regarding update for first gen TV's, please keep in mind I am a regular 'ole customer just like everyone here. Although I'm able to get the ear of Sony reps who have the full info, I'm not given any specific facts before Sony decides to release them globally.

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post #5322 of 12156 Old 02-12-2014, 07:20 AM
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Exactly smile.gif i think that in itself has made the purchase worth it to me. I know you'll agree that other "flagship" 1080p models have great picture quality but TERRIBLE uniformity problems like corner light bleed and awfull clouding. The X9 is not perfect, but WAY better in that regard. Only plasma is better when it comes to completly eliminating LED uniformities.
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post #5323 of 12156 Old 02-12-2014, 07:40 AM
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Quote:
Originally Posted by HDTVAV View Post

Looking for an honest answer...smile.gif

Does anyone have a problem with this TV being only 120 Hz (and not 240 Hz); and being only edge lit (and not full array)?

I have the XBR HX909 and the X900A. The 909 is FALD.

I used to think the FALD was better because you do have deeper blacks in some parts of the screen but if you have a single object on a black background that object gets like a purple haze around it since it has to light those sections, which can be distracting. The X900 with the same scene doesn't seem to have as deep of black but it's a uniform color and doesn't have that blooming.
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post #5324 of 12156 Old 02-12-2014, 08:28 AM
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Originally Posted by RiED27880 View Post

Exactly smile.gif i think that in itself has made the purchase worth it to me. I know you'll agree that other "flagship" 1080p models have great picture quality but TERRIBLE uniformity problems like corner light bleed and awfull clouding. The X9 is not perfect, but WAY better in that regard. Only plasma is better when it comes to completly eliminating LED uniformities.

 

Herein is my dilemma...

 

I am trying to choose between the "flagship" 65 X900A and the "flagship" 65 Panasonic VT60 plasma...

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post #5325 of 12156 Old 02-12-2014, 08:38 AM
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I studied both top Panasonic plasmas, the V and the Z with the X900 before buying the Sony last year.
In terms of true to life, the Panasonic plasma is it. It really comes down to preference.
The X900 does not look true to life, it is more vivid, 3D and has more wow factor. This is for 1080p content comparisons only.


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Originally Posted by HDTVAV View Post

Herein is my dilemma...

I am trying to choose between the "flagship" 65 X900A and the "flagship" 65 Panasonic VT60 plasma...
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post #5326 of 12156 Old 02-12-2014, 09:09 AM
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Quote:
Originally Posted by laakness View Post

I have the XBR HX909 and the X900A. The 909 is FALD.

I used to think the FALD was better because you do have deeper blacks in some parts of the screen but if you have a single object on a black background that object gets like a purple haze around it since it has to light those sections, which can be distracting. The X900 with the same scene doesn't seem to have as deep of black but it's a uniform color and doesn't have that blooming.


Very interesting. Thanks.

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post #5327 of 12156 Old 02-12-2014, 09:20 AM
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Quote:
Originally Posted by HDTVAV View Post
 

 

Herein is my dilemma...

 

I am trying to choose between the "flagship" 65 X900A and the "flagship" 65 Panasonic VT60 plasma...

 

Regarding refresh rates of 120Hz vs. higher rates, do an internet search and read up on whether higher refresh rates really deliver a better picture.  The consensus is that refresh rates higher than 120Hz don't provide significant PQ improvement.  Here is one such article:  http://www.pcmag.com/article2/0,2817,2379206,00.asp

 

Regarding the VT60 plasma, there are a number of people who have reported image retention issues with the plasma screens.  Search this thread for "image retention" or "IR".

 

Regarding local dimming vs. edge dimming, I have commented on this earlier.  I have both, the X900 and the HX909.  While both sets provide excellent PQ, I still prefer the X900.  As others have said, FALD has the potential of being better, but either technology can deliver excellent PQ.  It depends on how well the technology is implemented.

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post #5328 of 12156 Old 02-12-2014, 09:49 AM
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Quote:
Originally Posted by AustinJerry View Post
 

 

Regarding refresh rates of 120Hz vs. higher rates, do an internet search and read up on whether higher refresh rates really deliver a better picture.  The consensus is that refresh rates higher than 120Hz don't provide significant PQ improvement.  Here is one such article:  http://www.pcmag.com/article2/0,2817,2379206,00.asp

 

Regarding the VT60 plasma, there are a number of people who have reported image retention issues with the plasma screens.  Search this thread for "image retention" or "IR".

 

Regarding local dimming vs. edge dimming, I have commented on this earlier.  I have both, the X900 and the HX909.  While both sets provide excellent PQ, I still prefer the X900.  As others have said, FALD has the potential of being better, but either technology can deliver excellent PQ.  It depends on how well the technology is implemented.

 

As far as 120 Hz vs. 240 Hz vs. 600 Hz (plasma) - there is a very noticeable difference in a 120 Hz/240 Hz TV while watching a football game or a movie with a lot of fast action - versus watching the same thing on a 600 Hz plasma - so not sure how anyone can state that the higher Hz does not matter.... ?

 

Image retention (the very little there is) is really not a concern for me - as I would only be using this TV for movies - not TV or video games...

 

And, I think you mean full array vs. edge lit - not dimming...

 

It is my understanding that the X900A is edge lit with local dimming...?

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post #5329 of 12156 Old 02-12-2014, 10:58 AM
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Quote:
Originally Posted by HDTVAV View Post

As far as 120 Hz vs. 240 Hz vs. 600 Hz (plasma) - there is a very noticeable difference in a 120 Hz/240 Hz TV while watching a football game or a movie with a lot of fast action - versus watching the same thing on a 600 Hz plasma - so not sure how anyone can state that the higher Hz does not matter.... ?

Image retention (the very little there is) is really not a concern for me - as I would only be using this TV for movies - not TV or video games...

if you watch movies in widescreen mode all the time with the black bars on top and bottom, there still a chance you could burn in your plasma. I think it comes down to what your preference is. Plasma is great for some people, but Led works best for others. I for one, would rather sacrifise a bit of black level because i dont watch tv in pitch darkness all the time and Led just works better for me. I love a nice bright picture and not having to worry about IR. Panasonic plasmas are beautiful so if you prefer plasma over LED, then get the Panasonic.
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post #5330 of 12156 Old 02-12-2014, 12:03 PM
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Originally Posted by HDTVAV View Post

Herein is my dilemma...

I am trying to choose between the "flagship" 65 X900A and the "flagship" 65 Panasonic VT60 plasma...

I owned the VT60 from when it came out to October 2013...not long. Colors look great, wasn't as smooth as everyone made plasma to seem.

My issue was burn in with Gaming. I did all the break-in suggestions, had 300 hours of use before turning on my Xbox. One 4 hour run of Battlefield and my username was clear as day on the screen. Tried pixel flipping disks, the full color slides, etc. Nothing took it out. Good thing I had the BB warranty which covered burn in.
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post #5331 of 12156 Old 02-12-2014, 12:05 PM
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I owned the VT60 from when it came out to October 2013...not long. Colors look great, wasn't as smooth as everyone made plasma to seem.

My issue was burn in with Gaming. I did all the break-in suggestions, had 300 hours of use before turning on my Xbox. One 4 hour run of Battlefield and my username was clear as day on the screen. Tried pixel flipping disks, the full color slides, etc. Nothing took it out. Good thing I had the BB warranty which covered burn in.

 

So you have a XBR HX909 and the X900A... and had a VT60?

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post #5332 of 12156 Old 02-12-2014, 12:06 PM
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Yes, I have the X900 65" now and paid the difference in price.
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post #5333 of 12156 Old 02-12-2014, 12:11 PM
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I have been trying to understand frame dimming vs. the local dimming on the 65X900A set. I am finding confusing and perhaps conflicting statements about this.
1) Is it true that our 900A is an edge lit display with local dimming?
2) Is there any difference between frame dimming and local dimming on an edge lit display?

Please help by expanding on this, or referring me to links with proper/correct information or other...

Thanks
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post #5334 of 12156 Old 02-12-2014, 12:32 PM
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My best friend has a Panny VT like 2 models back. A few nights leaving ESPN on when he fell asleep and got irreversible IR. (quite pissed because he loves the TV and my calibration otherwise)

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post #5335 of 12156 Old 02-12-2014, 12:33 PM
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Originally Posted by MultimediaGeek View Post

I have been trying to understand frame dimming vs. the local dimming on the 65X900A set. I am finding confusing and perhaps conflicting statements about this.
1) Is it true that our 900A is an edge lit display with local dimming?
2) Is there any difference between frame dimming and local dimming on an edge lit display?

Please help by expanding on this, or referring me to links with proper/correct information or other...

Thanks

1-yes
2-never heard of frame dimming

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post #5336 of 12156 Old 02-12-2014, 12:43 PM
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Originally Posted by falconhawke View Post
 

Hey, just wondering if anyone with easy access to the rear of their XBR 65 900A could post the inch measurements of the wall mount holes on the back of the TV,  say as inches in from the bottom and sides and top, so as to locate the four mount holes for a wall mount I am planning for the 900A.

"Still could use this information from ANYBODY? Inches or millimeter coordinates for the mount holes will allow me to get a good height mount location for the Omnimount I will be installing, when it is very possible the actual XBR 65900 panel will not be here yet. Like, lower holes X inches from bottom, X inches from sides, X inches apart.  

 

Thanks if you have these numbers."

 

 

Well still no help yet, I know it isn't as fun as settings and updates, but does anyone have these hole coordinates? From top, bottom, sides, distance apart? I'm wall mounting a full motion Omnimount w/o a 65" XBR 900A on sight pretty soon, and knowing these hole positions to each hole center point will make it easier to get the height (especially) correct for a rebuilt entertainment cabinet wall, so the lower edge of the TV is above some new front L/R main speakers that must be fairly close to the TV itself, due to the size and angle of the room walls involved. 

 

Anyone please?

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post #5337 of 12156 Old 02-12-2014, 12:46 PM
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Quote:
Originally Posted by AustinJerry View Post

1-yes
2-never heard of frame dimming

To quote from:
http://www.rtings.com/info/what-is-local-dimming...
“Frame Dimming is made by Sony and is the equivalent of an edge-lit local dimming, but with even less zones. Instead of changing the light for a specific region of the screen, it is the whole frame of the screen that changes intensity.”
One of the key spec differences between the 850B and the 900A is frame dimming vs. local dimming on the 900A edge-lit display.

To me these are just words for now till I better understand it – which I am trying to do here. I am not even sure how many "zones" we have with the 900A
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post #5338 of 12156 Old 02-12-2014, 03:26 PM
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Quote:
Originally Posted by HDTVAV View Post
 

 

Herein is my dilemma...

 

I am trying to choose between the "flagship" 65 X900A and the "flagship" 65 Panasonic VT60 plasma...

I spent hours comparing the two. I do know that the pros and their reviews recommend we buy the plasma tv's.

The Sony is much more amazing in the 3d department. It's also more amazing in the depth of color and PQ. I do not agree with the pros, and their fancy reviews.

Plasmas are more dull. The Sony's PQ is vibrant.

If you have day light in your house, the plasma will suffer.

The 3d quality on the Panasonic tv's is very mediocre. 

 

Just my 2 cents

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post #5339 of 12156 Old 02-12-2014, 03:37 PM
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Hi :

Mounting large flat screen TV's are much the same for all TV's. Purchase a wall mount bracket. The bracket attaches to the wall with 2 hexagon screws that come in the kit. These screws (MUST BE ) screwed into the wall studs. which are typically 16 inches on center Depending on local building codes. Sometimes they are 24 on center but not likely. Use stud finder or small nails to find studs. This is a must as this is where all the weight of the TV will be held. The TV can slide left or right to center along the mounting bar.

The mounting J hooks that are attached to the back of TV come in several different sizes depending on which size bolts you have in the back of TV. Select appropriate size. The top and bottom height of TV then can be determined with respect to where the Tv is hooked onto the Bracket. Some brackets come with a tilt mechanism. So TV can be mounted a bit higher depending how far away that you will be sitting. basically you want the center of the TV at eye level when sitting. I read some where that 5 degrees of tilt corresponds to several feet at eyelevel at a 10 foot distance ( YOU can play with tilt ). Be carefull of low profile wall mounts with this TV.if you are going to use the digital optical output, not a lot of room for bend radius of fiber optic cable the connecter is a little long on this type of cable.

That's about it . if all else fails read the mounting instructions.

LOL

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post #5340 of 12156 Old 02-12-2014, 04:10 PM
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Originally Posted by quovadis123 View Post
 

I spent hours comparing the two. I do know that the pros and their reviews recommend we buy the plasma tv's.

The Sony is much more amazing in the 3d department. It's also more amazing in the depth of color and PQ. I do not agree with the pros, and their fancy reviews.

Plasmas are more dull. The Sony's PQ is vibrant.

If you have day light in your house, the plasma will suffer.

The 3d quality on the Panasonic tv's is very mediocre. 

 

Just my 2 cents

 

And the motion-blur?

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