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Technical LCD TV/Display Discussion Thread | V2, technical discussion on LCD TV/Monitor

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gnsumas
post Apr 9 2010, 02:22 PM

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100Hz and above are actually not more than clever, and in some cases, remotely useful gimmicks.

It does have its functions, and it usually carries it out quite well.

Playing games is actually worse with 100Hz and all that turned on.

When the TV is processing the frame, you get input lag, and you might notice a slight delay in movement onscreen and the input of commands.

Also, the TV is adding frames, which might cause some artifacts to appear.

For games, it is better to turn off all forms of processing (Noise reduction, black level enhancement, motionflow, etc.) altogether to try and reduce input lag as much as possible.

gnsumas
post Apr 9 2010, 02:39 PM

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QUOTE(opjust @ Apr 9 2010, 02:37 PM)
its really contradicting from what I have read earlier on.. huh!
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I won't disagree with what the article says, as Motionflow does make it look 'smoother'.

But as the article said, the TV has to analyse the 2 frames to get the frame in between and that process takes time, which introduces input lag.

It is a bit difficult to explain without going in depth, but Motionflow seems to be a pretty useless feature (although it does seem pretty decent on some animated films, or TV shows)
gnsumas
post Apr 9 2010, 06:51 PM

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QUOTE(Satanist @ Apr 9 2010, 05:12 PM)
My arguement is this:

If you use a 24hz only LCD. Wouldnt you get a more pronounced screen tearing issue coz, PS3 games > 30 FPS > 24Hz?

Screen tearing in gaming terms usually means that the TV/display refresh rate cannot handle the higher output of the video card.

The list of the multiplied LCD TV you gave, with 5:5 pulldown or 24hz/p compatible, they are >100hz TVs isnt it?

Would you not agree then, In order to get the best experience of both worlds (games/movies), a >100hz TV is cool?
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ATM, I don't think there are any TVs that are only 24fps.

Most of them have normal refresh rates, but switch to 24fps when a 24fps signal is fed into it.

My TV has 100Hz, but also supports 24fps viewing.

QUOTE(Satanist @ Apr 9 2010, 05:51 PM)
If you read my recommendation post, I did not say anything about motionflow did i?

As for gamin, correct...screen tearing will occur but it will be more PRONOUNCED in a TV thats < 100hz. It will be even more WORSE with a 24hz~50hz TV.Do you not Agree?
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Screen tearing and frame drops would actually be more pronounced on a TV with a interpolation.

'Motionflow' (or whatever else it is called) does nothing but add frames between whatever is being fed by the signal, so if the 2 frames it samples are torn, the frame it adds will also be torn, essentially giving you more torn frames.

Sony's implementation of this is one of the better ones though, and I don't see Bravias introducing much artifacting, so kudos to Sony for that rclxms.gif


Added on April 9, 2010, 7:11 pmuser posted image
for those who don't get what i'm trying to say icon_rolleyes.gif

This post has been edited by gnsumas: Apr 9 2010, 07:11 PM
gnsumas
post Apr 9 2010, 08:34 PM

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QUOTE(Satanist @ Apr 9 2010, 08:24 PM)
If PS3 is not v-synced as you said it yourself, there is also no telling if it sometimes exceed the 60FPS mark hence screen-tearing. In addition PS3 RSX is based off a NVidia 7800 series which is available for PC as well??

Lensoftruth doesnt explain how they get those torn frames but are they refering to screen tearing as we are discussing?. What I'd guess is that there is a glitch in rendering department where sometimes 1 of the frame gets rendered faster than 1/60 of a second.

Perhaps my Acer LCD isnt QCed properly tongue.gif
Or getting a >100hz TV.  icon_rolleyes.gif
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IINM, screen tearing on consoles happens when the 2nd frame in the buffer isn't processed completely and only a part of the entire frame appears on screen, leaving a part of the previous frame visible.

I might be mistaken, though.
gnsumas
post Apr 10 2010, 02:50 PM

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QUOTE(Satanist @ Apr 10 2010, 12:10 AM)
Google that model and read all the reviews about it bro, thats how I'd do it b4 buying. If I'm not mistaken the Acer H233H is the best bang for the buck in a somewhat similar budget.


Added on April 10, 2010, 12:15 am

Screen Tearing
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That article is only relevant in some cases.

That kind of tearing happens when the display is slower than the signal.

For console gaming, however, its usually a case of the console itself not being v-locked, which is why tearing can be spotted by Digital Foundry and Lens of Truth, who record from the source directly, removing displays from the cause altogether.
gnsumas
post Jun 29 2010, 05:56 PM

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QUOTE(jihmie @ Jun 28 2010, 09:21 AM)
can i connect this type of speakers to my lcd tv???
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What TV you using?

Most TVs I've seen have 3.5mm output jacks, so you can connect the PS3 to the TV via HDMI and plug the speakers into the TV via the 3.5mm cable.

You could also use a Y-splitter and the PS3's RCA cables, but the first method allows anything connected to the TV to use the speakers and not just your PS3.

 

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