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Old 12-10-08, 12:40 AM   #1
XxDeadlyxX
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Default 24hz from PC

Is there a list of 1080p HDTVs that successfully accept 24hz from a PC, using Nvidia + Vista?

I know some of the Bravias and Samsungs support 24hz, but does it work from DVI-HDMI and does it remove the judder from watching Blu-ray/HD-DVD?
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Old 12-10-08, 04:38 AM   #2
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Default Re: 24hz from PC

I have a Sony KDL40V3000 Bravia. In vista, when I go into the display settings I can choose 24hz from the dropdown. This clearly works as the tv then says 1080p/24 in the top left for a few seconds. Films I'd previously noticed judder in are now completely smooth!

Oh and its connected dvi->hdmi by the way.
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Old 12-10-08, 05:20 AM   #3
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Default Re: 24hz from PC

Ah that sounds promising, so you can just choose 24hz from Display Settings -> Advanced Settings without any other configuring?

Unfortunately a Bravia 40" is a bit out of my price range, I'm looking at this one though:

http://www.samsung.com/au/consumer/d...LA40A550P1FXXY

It says it has 24fps playback, as to whether it works with PC though, I guess the only way to know is buy it and hope
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Old 12-10-08, 06:09 AM   #4
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Default Re: 24hz from PC

My Phillips does, and with latest unofficial builds of XBMC it has auto settings. It automatically changes refresh rate depending on source material being played back.
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Old 12-10-08, 10:20 AM   #5
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Default Re: 24hz from PC

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Originally Posted by XxDeadlyxX View Post
Ah that sounds promising, so you can just choose 24hz from Display Settings -> Advanced Settings without any other configuring?
Yeah, its the usual screen refresh rate drop down on the monitor tab. My Sony has a load of options ranging from 24hz to 60hz.
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Old 12-11-08, 03:58 AM   #6
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Default Re: 24hz from PC

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Originally Posted by XxDeadlyxX View Post
It says it has 24fps playback, as to whether it works with PC though, I guess the only way to know is buy it and hope
You should go to AVSForum and ask one of them to test that TV for you. I can almost guarantee someone has that set and a capable computer to try it out with...
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Old 12-11-08, 05:44 AM   #7
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Default Re: 24hz from PC

Anyone else getting a slight stutter every 30 seconds or so using 24Hz with blu-ray movies? Been driving me nuts and I just can't figure out what the problem is.

Panasonic plasmas support 24Hz from PC!
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Old 12-11-08, 02:13 PM   #8
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Default Re: 24hz from PC

Quote:
Originally Posted by XxDeadlyxX View Post
Ah that sounds promising, so you can just choose 24hz from Display Settings -> Advanced Settings without any other configuring?

Unfortunately a Bravia 40" is a bit out of my price range, I'm looking at this one though:

http://www.samsung.com/au/consumer/d...LA40A550P1FXXY

It says it has 24fps playback, as to whether it works with PC though, I guess the only way to know is buy it and hope
Negative. That set will take a 24p input from a device, but it's still going to run at 60hz, and thus, force 3:2 pulldown. You need a 120hz set for true 24p playback. Go with a Samsung 6-series. Amazon offers them at excellent prices with no tax and free shipping. Prices below are current as of this post.

40" 6 Series - $1289.98
46" 6 Series - $1460.80
52" 6 Series - $1840.72

FYI, the panels used in the Samsung 6-8 series are virtually identical to the ones used in the Bravia XBR6 line. Samsung makes the panels in a jointly owned factory. If you buy a Bravia, you're basically paying more for a Samsung.
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Old 12-11-08, 04:31 PM   #9
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Default Re: 24hz from PC

Went yesterday and bought a Bravia KDL-40V4000 (was able to get the extra cash required). I have been able to get it to input 1080p/24 fine (says so on the screen at the top).

So who is correct, Jon or Medion? I haven't done much A/B testing between 60hz and 24hz however I *think* 24hz is slightly smoother in PDVD8, haven't confirmed yet though. Medion, would this tv fit into the same category as the 5-series due to having no 120hz?

And yes I get the slight stutter every 30 seconds too.
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Old 12-11-08, 10:09 PM   #10
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Default Re: 24hz from PC

Ok so I've done some more testing and it seems that 24p is ever so slightly smoother than 60hz, however I get the jitter every 20 seconds or so, I'm still trying to decide if its worth it or not to keep 24hz enabled
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Old 12-12-08, 08:04 AM   #11
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Default Re: 24hz from PC

Quote:
Originally Posted by XxDeadlyxX View Post
Ok so I've done some more testing and it seems that 24p is ever so slightly smoother than 60hz, however I get the jitter every 20 seconds or so, I'm still trying to decide if its worth it or not to keep 24hz enabled
A jitter every 20 seconds is more likely a problem with pdvd than the 24hz mode. I watch all my blurays in this mode off the PC and PS3 and don't have any problems with it.

I picked the scene from Batman begins where it slowly moves across the mountains... and I would always notice a little bit of a jitter there and then I started to notice it in all films... But the jitter would always be in specific places, usually when the camera was panning horizontally. They were not at fixed intervals. With the 24hz mode, it looks totally smooth to me now.
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Old 12-13-08, 04:57 PM   #12
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Default Re: 24hz from PC

Quote:
Originally Posted by XxDeadlyxX View Post
Went yesterday and bought a Bravia KDL-40V4000 (was able to get the extra cash required). I have been able to get it to input 1080p/24 fine (says so on the screen at the top).

So who is correct, Jon or Medion? I haven't done much A/B testing between 60hz and 24hz however I *think* 24hz is slightly smoother in PDVD8, haven't confirmed yet though. Medion, would this tv fit into the same category as the 5-series due to having no 120hz?

And yes I get the slight stutter every 30 seconds too.
The Bravia XBR6 is 120hz. Your model isn't an XBR, it's just a V-series, which is arguably comparable to the Samsung 5-series. As for who's right regarding 24p playback, best to just consult the experts at AVSForum. While I was shooting from the hip, seems most of them agree with my stance.

http://www.avsforum.com/avs-vb/showthread.php?t=1023121
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