I don't understand TV's

[orangecat]

Right now for PC monitors you have 60Hz TN, 120Hz TN and 60Hz IPS. How is it that a TV can be lets say 240Hz and not look like a TN monitor? I mean if we can have something that looks almost like a IPS and have a high refresh rate then why don't we have that on PC monitors? Correct me if I'm wrong but I think the TV runs a 60H panel and the input is 240hz or something. I have a plasma TV that runs at 600hz but I can only input a 60hz signal because it uses the extra frames to display the image longer to reduce motion blur and give a clearer image.

[joelthezombie15]

If i am not mistaken, tvs have more input lag. But again i could have been misinformed.    

[orangecat]

If i am not mistaken, tvs have more input lag. But again i could have been misinformed.    

I'm not planning on using it as a PC monitor I just want to know why a TV can be 240hz+ and not look like a TN. I JUST DONT GET IT....

[GoodBytes]

TV uses tricks.

Most TVs are 60Hz... 3D TV are 120Hz. When you see "600Hz" and such, this is the TV doing emulation. It does this by waiting for next frame, then generate a fake frame, which the manufacture believe resemble as the missing frames as if you had a 240Hz or a 600Hz TV. To hide the fact that in reality you artificially add motion blur, they flicker the backlight at a certain rate, to try and trick you that you see more frames. That is why movies and TV shows look strange, but content on a 120Hz computer monitor does not. You are not seeing things.. you are seeing crap.

 

It's best to turn off this monitor feature in the TV settings. Many do it, most people don't even know.

[skullbringer]

A "normal" TV basically only has an input of 60Hz and upsamples it to say 400Hz, and therefore it needs time, up to 20ms. Basically it takes two frames and compares the two. The difference which basically is the movement of objects displayed by pixels is what the TV "smoothes out" by basically generating artificial frames to bridge the gap between the two original ones. And that is what makes them too "slow" in terms of responsiveness for most gaming applications. 

[GoodBytes]

Correct, beside the fact that the TV also does further image processing to make the 1080p image look better from your sofa distance, it adds even more input lag.

This video, demonstrate the input lag of the TV against the WiiU controller, which displays the same content.

As you can see, in this particular LG TV, you have an input lag of 116ms

[LAwLz]

As you can see, in this particular LG TV, you have an input lag of 116ms

Well that also has a bit more lag because it is using wireless, but yes a TV is not 400Hz or anything like that. The input lag is mostly because of post processing it does to improve the image, and the "600hz" ratings is not anywhere near 600Hz. It's most likely 60Hz and then it uses things like backlight flickering to make it "look like" 600Hz (and it doesn't, at all).

 

A lot of TVs don't advertise their refresh rate in true FPS, but rather they say it is "clear motion rate" or other things like that. If you ask me, you want a true 120Hz TV. The reason why you want that is because it is an even multiplication of 24, 30 and 60 fps, which are the most common refresh rates for things like movies. That way you won't get certain frames shown 3 times, and certain frames shown 2 times (which is what happens if you run 24 fps content on a 60Hz TV/monitor).

 

 

 

As you can see in this video, the video with "OFF" over it displays each second frame twice, and each second frame 3 times, resulting in uneven FPS. The one on the right called "ON" displays each frame equally.

[AjAlien]

I don't even want to see Nvidia Shield streaming content from your PC to it, lool.

[R4STABAN]

Does a true 120hz TV even exist? I thought 120hz was reserved for TN only (korean gambles excluded), and that all TVs were IPS panels by necessity?

[qwertywarrior]

each time i read the title i cant help laughing

[GoodBytes]

Correct. But, the TV can use Plasma panel.