rec.autos.simulators

by **Damien Smit** » Sun, 06 Jul 2003 20:46:41

Oh, dear :-/ .........My apologies

by ae » Sun, 06 Jul 2003 21:47:14

On Sat, 5 Jul 2003 21:47:31 +1000, "Damien Smith"

>> Do a bit of research on the net about response rates, you are very
>> misguided.

>Nope. Can't find anything. Share your wisdom.

A 10 second search on google revealed:

http://www.monitorsdirect.com/pdf/lcd_buy_guide.pdf

Andrew.

by **Damien Smit** » Sun, 06 Jul 2003 23:05:37

I was hoping you could give a one sentence answer - no I've got to install
acro reader grrrr...

by **Damien Smit** » Sun, 06 Jul 2003 23:08:51

And after all that I was right anyway!! jeez....

by **Damien Smit** » Sun, 06 Jul 2003 23:10:32

1 second divided by 50ms = 20 frames per second (Admittedly 20 blurred
frames per second)

by ae » Sun, 06 Jul 2003 23:15:49

On Sun, 6 Jul 2003 00:08:51 +1000, "Damien Smith"

>And after all that I was right anyway!! jeez....

As was stated before, refresh rate isn't a factor, so how were you
right when talking about 20 or 40 fps? Response rate is measured in
milliseconds, not in hertz like refresh rate.

Andrew.

by **Damien Smit** » Mon, 07 Jul 2003 00:15:54

At 50ms response, a pixel can only change 20 times per second. Therefore
you can only effectively have 20 different frames per second.......simple
really.

by **Jone Tytlandsvi** » Mon, 07 Jul 2003 02:52:11

What unit is used to measure things is not relevant. 50 fps = 50 Hz = one
frame every 20 millisecond.

--
Jone Tytlandsvik
http://tytlandsvik.no

by **Jone Tytlandsvi** » Mon, 07 Jul 2003 02:53:04

Are you sure?
Could it not be that all screen updates will be delayed 50ms. You can update
the LCD 100 times per sec, but all updates will show up 50 ms after they was
drawn to the screen? I admit I'm on thin ice here.

--
Jone Tytlandsvik
http://tytlandsvik.no

by **Damien Smit** » Mon, 07 Jul 2003 20:54:41

Pixel response time is how long it takes a screen pixel to go from white to
black and back to white again.

by **Damien Smit** » Mon, 07 Jul 2003 20:59:13

That's certainly true but most changes from frame to frame have significant
colour changes. I'm sure some people would be perfectly content with a 50ms
screen but personally, I wouldn't even consider an LCD rated higher than
20ms (but I'm pretty picky about frame rate stuff)

by **Gerry Aitke** » Mon, 07 Jul 2003 21:52:32

>>Again, you don't understand how it works. The response time varies
>>from each pixel elment depending on which colour it is displaying.
>>Dark pixels take longer to draw than lighter ones. It's not a full
>>screen refresh of 50ms so it's not a good way to measure the max frame
>>rate you will get.

> That's certainly true but most changes from frame to frame have significant
> colour changes. I'm sure some people would be perfectly content with a 50ms
> screen but personally, I wouldn't even consider an LCD rated higher than
> 20ms (but I'm pretty picky about frame rate stuff)

As I stated, 50ms IS fast enough for ***! I own an 50ms LCD and have
tested it with many games. It works perfectly well. It is NOT restricted
to 20 fps, as you incorrectly stated.

You DON'T own one, you DON'T understand the underlying technology, so I
don't think you are in any position to tell me that my LCD isn't good
enough.

Not that I give a flying fark what you think anyway! :)

Gerry

by **Gerry Aitke** » Mon, 07 Jul 2003 21:53:19

>>I HAVE used LCD's for *** and Pixel Response Rate most certainly IS a
>>consideration.

> Yes, it's a consideration. But all the decent LCD's out now are fast
> enough for *** and shouldn't be discounted because the response
> time is 20ms. Any LCD with <30ms is adequate.

<50 is adequate.

by **Damien Smit** » Mon, 07 Jul 2003 22:10:30

I've used them, I've seen them. I am most definitely in a position to
comment.

That sentence sums up your entire attitude to this group.

by **Gerry Aitke** » Mon, 07 Jul 2003 22:39:35

>>You DON'T own one, you DON'T understand the underlying technology, so I
>>don't think you are in any position to tell me that my LCD isn't good
>>enough.

> I've used them, I've seen them. I am most definitely in a position to
> comment.

The fact is that the Proview 17" LCD I have tried with games, shows not
significant ghosting.

There is a slight motion blur in racing games, which helps give a better
feeling of speed.

Good news surely?

Gerry

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