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Post by Alexis on Aug 26, 2017 0:08:54 GMT
Can you please explain something to me? I don't understand how the 60fps cap will actually affect the light effects. I have a widescreen G-Synch monitor that runs at 100Hz and 3440 x 1440. Say my game reaches 100fps, does this mean that the lights will only be able to capture 60fps instead of 100fps? Does this mean that the lights won't reflect what is actually on the screen? Or does it mean that they will delay to show what is on the screen? The main question really is - will I actually notice a "problem" due to the 60fps cap while playing at speeds of 100fps?
Thanks
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Post by freddy on Aug 26, 2017 5:43:21 GMT
The dreamscreen does not 'cache' frames, so the lights will always be updated based on the frame that is offered at that time. And I highly doubt your eyes would be able to spot the difference between 60 updates per second and 100 updates per second (of the lights).
However (this may be more relevant), I am not sure if the pass-through from the DS 4K to your monitor can be 100 fps, or if that is capped at 60 fps as well... I hope Victor can answer that part.
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Pyro
Junior Member
Posts: 50 
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Post by Pyro on Aug 28, 2017 5:02:14 GMT
This question has my interest as well. Looking forward to a detailed response. I should really update that unofficial FAQ thread I started with some of these great new questions!
Any chance I can pile in with a related question? (I pitched it over in that FAQ thread but it never really received a response)
Input Lag is/can be very important when Gaming (PC and Console). I was wondering about TV/Monitor Input Lag with the Dreamscreen and Dreamscreen 4K. Does the DS or DS/4K unit add ANY Input Lag to the signal chain? I know the DS units should be a straight pass-thru and theoretically should not add any Input Lag. I don't just mean theoretically or informally though, I'm hoping that you guys have tested the units and have some data behind it? (Input Lag is usually measured in milliseconds so looking for research/reading in (ms))
I know FPS/clock and Input Lag (ms) are minute and may well be beyond the acute ability of our eyes/brain conscious comprehension but they are significant to a small segment of die hards.
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Post by freddy on Aug 28, 2017 6:46:59 GMT
Pyro, all I can give you is the non-scientific reply... I have the original Dreamscreen, and on that, I never noticed any input lag. And as Dreamscreen doesn't do any buffering/caching of the input signal, there really shouldn't be any delays between the input from the HDMI devices, and the output to the TV. The processing of the signal for the LED lights *might* run a few ms behind, but I highly doubt that anyone (even that small segment of die hards) can actually see that.
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Post by Admin on Aug 28, 2017 14:12:17 GMT
The DreamScreen adds no noticeable input lag to the video/audio. I've tested this extensively both for console gaming and PC gaming and how never noticed a lag in either the video or the LEDs.
Please note that DreamScreen supports only 16:9 aspect ratios at this time so wide-screen monitors are not guaranteed to work. You also need to make sure that your monitor is actually outputting at 100Hz over HDMI. It is possible for 1080p to be supported at 120Hz on HDMI 2.0; unfortunately, very few solutions on-market are capable of actually utilizing this potential. Most monitors selling with HDMI 2.0 are 4K displays that cap-out at 60Hz. This is because HDMI is ultimately a consumer interface that's targeted at TVs, but finds its way into desktop displays. For gaming use cases at higher refresh rates, most people opt for DisplayPort or Dual-Link DVI, which is unfortunately not supported by the DreamScreen at this time.
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Post by Alexis on Aug 28, 2017 22:01:43 GMT
Thank you for getting back to me.
I am using DisplayPort to connect to my card, does this mean that DS won't work with that setup? Also my monitor is 21:9, what do you mean that they are not "guaranteed" to work? Sorry for all these questions but documentation is note very clear on all this and I know that a lot of gamers woudl be intersted to know.
thanks!
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Post by Admin on Aug 29, 2017 16:07:40 GMT
Alexis,
DreamScreen does not function with 21:9 resolution, so you could us the same monitor and output a 16:9 resolution. DreamScreen doesn't have any input for DisplayPort so you would have to use a DisplayPort --> HDMI converter to get the DreamScreen effect from your PC.
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Post by Alexis on Aug 29, 2017 18:33:48 GMT
Ok Thanks for the clarification
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