ULMB 2 Released

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bumbeen
Posts: 86
Joined: 25 Apr 2023, 14:35

Re: ULMB 2 Released

Post by bumbeen » 04 Jul 2023, 22:15

lyrill wrote:
04 Jul 2023, 05:57

oh wow this is typical splitting hairs at this point. but isn't 100 obviously the best?
So 100 is way too bright for me in the first place, but generally you would expect pulse width reduction to enable an improvement to motion clarity either simply because the persistence of the image is further reduced and reduction of visible crosstalk. But in the PG27AQNs case the sample and hold persistence is already way low enough since it's 360 strobes per second but then it doesn't help the crosstalk at all because the strobe phase timing is way off, at least on my monitor. There's literally zero improvement because all of the crosstalk is from the prior frame(or in the case of the bottom of the display, the current frame lmao) and the strobe length reduction is all happening on the tail end of the strobe, where there's no crosstalk in the first place to be reduced.

So technically, reducing strobe phase makes the crosstalk WORSE, because the only piece of crosstalk that gets reduced is the current frame at the bottom of the display

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lyrill
Posts: 385
Joined: 06 Oct 2020, 10:37

Re: ULMB 2 Released

Post by lyrill » 09 Jul 2023, 08:27

jorimt wrote:
04 Jul 2023, 09:15
well i'm clearly like no knowledge whatsoever on the paradigm as it stands but I did get like casual 200 likes when i flamed like ACER yes the brand that i shilled (390) for when they decided to push erm what was it, 240 4k or something else. literally and the comments were mostly like no this is a bad form factor. and 2, 3 years past there seem to be a rich people only niche and that's fine it's just very under the radar and well far off from the usual pedestrian no? I'm looking at gdc aiva clips and it seemed like they was pushing heavily for the covid narrative in 2020 and but 2017 was debut and that was pubg year. I know Razer knew about pubg too and launched the basilisk right before(or right in time depending how you interpret launch cycles)

Zazie
Posts: 21
Joined: 13 Oct 2016, 14:45

Re: ULMB 2 Released

Post by Zazie » 15 Jul 2023, 13:22

Why not Gsync+ULMB2?

bumbeen
Posts: 86
Joined: 25 Apr 2023, 14:35

Re: ULMB 2 Released

Post by bumbeen » 17 Jul 2023, 07:54

Zazie wrote:
15 Jul 2023, 13:22
Why not Gsync+ULMB2?
Asus attempts to do a version of this on the XG27AQM and XG27AQMR. You can have freesync and strobing that adapts to the framerate. It isn't that great though, not because of the monitor itself, but because of the firmware lockouts on OD and the lack of any ability for end user to tune the strobe timing.

If I had to take a wild guess as to why Nvidia doesn't do this, maybe it's because they can't get it working well enough to meet their visual quality standard. Or possibly it's just a technical limitation, who knows?

EliteA1
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Joined: 15 Jul 2015, 03:07

Re: ULMB 2 Released

Post by EliteA1 » 20 Jul 2023, 23:47

Do you guys think the ASUS ROG Swift Pro PG248QP - 25” 1080p 540 Hz will be strobe at 540hz??? or 360

Boop
Posts: 134
Joined: 08 Nov 2018, 22:10

Re: ULMB 2 Released

Post by Boop » 21 Jul 2023, 18:34

EliteA1 wrote:
20 Jul 2023, 23:47
Do you guys think the ASUS ROG Swift Pro PG248QP - 25” 1080p 540 Hz will be strobe at 540hz??? or 360
For ULMB 2 capability, monitors must meet the following requirements:

Deliver over 1000 Hz of effective motion clarity
Drive ULMB 2 at the monitor’s full refresh rate
Deliver over 250 nits of brightness with minimal crosstalk or double images

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lyrill
Posts: 385
Joined: 06 Oct 2020, 10:37

Re: ULMB 2 Released

Post by lyrill » 21 Jul 2023, 18:42

Boop wrote:
21 Jul 2023, 18:34
EliteA1 wrote:
20 Jul 2023, 23:47
Do you guys think the ASUS ROG Swift Pro PG248QP - 25” 1080p 540 Hz will be strobe at 540hz??? or 360
For ULMB 2 capability, monitors must meet the following requirements:

Deliver over 1000 Hz of effective motion clarity
Drive ULMB 2 at the monitor’s full refresh rate
Deliver over 250 nits of brightness with minimal crosstalk or double images
what on earth are u quoting

and btw ulmb2 is not real 1000hz. doesn't matter what it poses in its own rule it writes for itself. nvidia is a monopoly just like intel and razer, never forget that no matter how much real world benefit they provide u compared to their competitors. never forget that esp in the face of hollywood shutting down for at least half a year because ceo unabashedly goes "let them workers eat cake"

olofsson_tom
Posts: 28
Joined: 11 Sep 2021, 18:55

Re: ULMB 2 Released

Post by olofsson_tom » 22 Jul 2023, 13:31

EliteA1 wrote:
20 Jul 2023, 23:47
Do you guys think the ASUS ROG Swift Pro PG248QP - 25” 1080p 540 Hz will be strobe at 540hz??? or 360
Yeah it should, but you would then also have to take for granted it gets released at all. Asus seem to have a hard time grasping when Q2 ends.

Boop
Posts: 134
Joined: 08 Nov 2018, 22:10

Re: ULMB 2 Released

Post by Boop » 23 Jul 2023, 13:48

lyrill wrote:
21 Jul 2023, 18:42
what on earth are u quoting
https://www.nvidia.com/en-us/geforce/ne ... on-blur-2/

"ULMB 2 Is Available Now
For ULMB 2 capability, monitors must meet the following requirements:

Deliver over 1000 Hz of effective motion clarity
Drive ULMB 2 at the monitor’s full refresh rate
Deliver over 250 nits of brightness with minimal crosstalk or double images"


https://tftcentral.co.uk/articles/nvidi ... g-monitors

"Importantly you can see that blur reduction must now be available at the maximum refresh rate of the monitor, and that the brightness must be able to reach at least 250 nits. Strobe crosstalk is harder to quantify and is only defined as “minimal” here, although the ability to create custom overdrive timings from the G-sync module for ULMB mode, and the unique ‘vertical dependent overdrive’ help reduce ghosting during operation, and (according to NVIDIA at least) creates a larger region of clear image on the screen. More on overdrive control and improvements a bit later."

EliteA1
Posts: 18
Joined: 15 Jul 2015, 03:07

Re: ULMB 2 Released

Post by EliteA1 » 24 Jul 2023, 01:17

lyrill wrote:
21 Jul 2023, 18:42
Boop wrote:
21 Jul 2023, 18:34
EliteA1 wrote:
20 Jul 2023, 23:47
Do you guys think the ASUS ROG Swift Pro PG248QP - 25” 1080p 540 Hz will be strobe at 540hz??? or 360
For ULMB 2 capability, monitors must meet the following requirements:

Deliver over 1000 Hz of effective motion clarity
Drive ULMB 2 at the monitor’s full refresh rate
Deliver over 250 nits of brightness with minimal crosstalk or double images
what on earth are u quoting

and btw ulmb2 is not real 1000hz. doesn't matter what it poses in its own rule it writes for itself. nvidia is a monopoly just like intel and razer, never forget that no matter how much real world benefit they provide u compared to their competitors. never forget that esp in the face of hollywood shutting down for at least half a year because ceo unabashedly goes "let them workers eat cake"
He was answering my question if the monitor works ULMB @ the full 540 and as per Nvidias requirements of FULL REFRESH rate the answer should be yes

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