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Old 12th February 2018, 19:14   #48981  |  Link
Asmodian
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Quote:
Originally Posted by thighhighs View Post
2.4 default for double again mode (or NGU AA). For direct 4x "if any upscaling is needed" by default.
Ah! The complexity!

Thanks.
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Old 12th February 2018, 20:40   #48982  |  Link
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Originally Posted by hannes69 View Post
Which one doesnīt matter, use the one your monitor accepts..
thanks for this great explanation.
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Old 12th February 2018, 20:52   #48983  |  Link
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Originally Posted by hannes69 View Post
If you donīt like smoothmotion, use custom refresh rates according to your video material and according to the capabilities of your monitor.
For 23.976fps movies use refresh rate 23.976Hz OR 47.952Hz OR 71.928Hz OR ... Which one doesnīt matter, use the one your monitor accepts.
So a full set of refresh rates for all possible common movie frame rates would mean e.g. 47.952Hz (->23.976fps), 48.000Hz (->24.000fps, 48.000fps), 50.000Hz (->25.000fps, 50.000fps), 59.94Hz (->29.970fps, 59.940fps), 60.000Hz (->30.000fps, 60.000fps). Or other multiples if your monitor doesnīt accept these ones.
72Hz with no switching only works correctly for 24.000fps movies, so thatīs no option when wanting judder free playback and not using smoothmotion.
The default 60Hz are usually in reality 59.94Hz, so with your default "60 Hz" and 48 Hz you could only playback 29.970 fps, 59.940fps, 24.000fps and 48.000fps correctly.
It depends on your video material, but for all possible scenarios you would need the 5 custom refresh rates, see above.
I wouldnīt use the term "overclocking" in this context. Ok, a colcok of 72Hz is higher than the "default 60Hz", but there arenīt the same principles like overclocking e.g. a GPU or a CPU (which gives more temperature and more electrical stress on the components). A monitor accepts a given refresh rate by the computer or not. A higher refresh rate doesnīt do any harm or is dangerous. The worst thing that could happen is, that you have to do a safe boot because of getting a black screen when using a custom resolution your monitor doesnīt accept. But thatīs it. Use whatever your monitor can display correctly.
72hz and reclock works very well, I have no repeated or dropped frames for around 12 hours. Reclock likes 24 multiple refresh rates.
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Old 12th February 2018, 22:55   #48984  |  Link
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Originally Posted by Siso View Post
72hz and reclock works very well, I have no repeated or dropped frames for around 12 hours. Reclock likes 24 multiple refresh rates.
Reclock simply likes it "close enough" so you won't notice. It would change the audio speed less if you used a multiple of 23.976 Hz instead of 72 (at least for 24/1.001 fps content). Not that it is important, but Reclock is for when you cannot match your refresh rates, it is like smooth motion for the audio.

edit: actually that analogy isn't very good, Reclock cannot deal with 24 fps into 60 Hz but it is good for 29.97 fps at 60 Hz, where smooth motion is also good for preventing dropped frames.
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Old 12th February 2018, 23:09   #48985  |  Link
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Originally Posted by Asmodian View Post
Reclock simply likes it "close enough" so you won't notice. It would change the audio speed less if you used a multiple of 23.976 Hz instead of 72 (at least for 24/1.001 fps content). Not that it is important, but Reclock is for when you cannot match your refresh rates, it is like smooth motion for the audio.

edit: actually that analogy isn't very good, Reclock cannot deal with 24 fps into 60 Hz but it is good for 29.97 fps at 60 Hz, where smooth motion is also good for preventing dropped frames.
So a refresh rate of 71.928hz will do better than 72hz? I mostly watch 23.976 content.
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Old 12th February 2018, 23:20   #48986  |  Link
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Originally Posted by Siso View Post
So a refresh rate of 71.928hz will do better than 72hz? I mostly watch 23.976 content.
If you create your custom refresh rates in madVR, following madshi's tutorial for optimizing those refresh rates, you'll likely end up with a resolution that produces less than 1 repeated frame every 3-4 hours (or better). At that point, you'll have no need for Reclock.

One of the advantages of this is that by removing 32-bit Reclock, you can then use all 64-bit components in your playback chain.

Last edited by jkauff; 12th February 2018 at 23:22.
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Old 12th February 2018, 23:44   #48987  |  Link
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Originally Posted by jkauff View Post
If you create your custom refresh rates in madVR, following madshi's tutorial for optimizing those refresh rates, you'll likely end up with a resolution that produces less than 1 repeated frame every 3-4 hours (or better). At that point, you'll have no need for Reclock.

One of the advantages of this is that by removing 32-bit Reclock, you can then use all 64-bit components in your playback chain.
That's good, but sometimes I watch tv shows at 25 fps, slowing them down to 24 fps with reclock.
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Old 13th February 2018, 06:54   #48988  |  Link
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Any chance there will ever be extra slots for different 3DLUT's? I have encountered several displays that require different 3DLUT's/calibration for different refresh rate modes. The 48/72/96Hz refresh rate modes on TV's without full calibration controls require re-calibration for that mode. I have a TV like that and I change change 3DLUT's in settings depending on whether I watch 23/24p content (48Hz mode) or 29/30/60p (60Hz mode) content, but it would be nice if madVR had the option to set specific 3DLUT's for specific display modes. I think 3DLUT option for 23/24p mode and 29/30/60p mode would be perfect!
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Old 13th February 2018, 07:29   #48989  |  Link
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you can use a profile for that.
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Old 13th February 2018, 15:22   #48990  |  Link
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That's good, but sometimes I watch tv shows at 25 fps, slowing them down to 24 fps with reclock.
Maybe in madAudio?
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Old 13th February 2018, 15:41   #48991  |  Link
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Set speed step value in MPC-HC options to 4%. Then click reduce speed button to change 25.000fps into 24.000fps. The internal audio renderer does automatic resampling and pitch control.
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Old 13th February 2018, 17:07   #48992  |  Link
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Originally Posted by Siso View Post
That's good, but sometimes I watch tv shows at 25 fps, slowing them down to 24 fps with reclock.
You're obviously entitled to do whatever you want but... are you sure those tv shows don't have a native framerate of 25? Because most European productions do (almost everything by BBC, for example).
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Old 13th February 2018, 17:29   #48993  |  Link
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Originally Posted by clsid View Post
Set speed step value in MPC-HC options to 4%. Then click reduce speed button to change 25.000fps into 24.000fps. The internal audio renderer does automatic resampling and pitch control.
I didn't know this either, thanks, I'll try it out.
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Old 13th February 2018, 22:50   #48994  |  Link
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make sure your device of choice doesn't have thermal throttling issues(sadly not uncommon for small factor intel devices) and you are not going to do more than FHD.
The i7 models include a fan and 3 power modes one of which is "Best Performance" that runs the processor/igpu at full speed so no throttling. Don't know how loud it is though.

No more than FHD? Not 4k? The specs here https://support.microsoft.com/en-us/...?os=windows-10 show the Surface Pro can output 4k@60Hz 4096x2304. Are you saying the new Surface Pro 2017 with the configuration I'm thinking about w/i7, Iris Plus 640, 8GB isn't powerful enough to run madVR at 4k?

Last edited by spotswood; 14th February 2018 at 00:45.
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Old 14th February 2018, 06:09   #48995  |  Link
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at UHD no i don't think this will work.
you need more than 2-4gb for vram leaving you with not much for the rest.

and these surface things likes to throttle too...
good luck with the boost clock of ~1000 mhz.
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Old 14th February 2018, 11:58   #48996  |  Link
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Hello everyone,

I have two short questions

1. I would know why madVR, when i use NGU 4x, after oversize, downscale image two times in luma y with some source resolutions?



2. Always with NGU 4x, with Low or Medium quality, chromaupsampling seems forced to Bicubic60 during the doubling/quadrupling process. Can i use "chroma settings" for entire chroma upsampling ?



Thanks you very much.
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Old 14th February 2018, 18:24   #48997  |  Link
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1. I would know why madVR, when i use NGU 4x, after oversize, downscale image two times in luma y with some source resolutions?
Aspect ratio correction. The doubling algorithms can only, well, double - they can't deal with rectangular pixels. So madVR has to adjust them at the end using an algorithm that can deal with them (like Bicubic150).
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Old 14th February 2018, 18:53   #48998  |  Link
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Hi I've a question here, just looking right now at a movie source.

As you can see there is a frame repeated every [...] seconds. And the value goes up so 1 seconds, 10 seconds, 43 seconds etc.

If I enable deinterlacing the counter goes down, so 40 seconds, 32 etc.

Why this?
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Old 14th February 2018, 21:30   #48999  |  Link
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Hi, I have a question about HDR: MediaInfo for Dunkirk UHD Blu-ray says:
Quote:
Mastering display luminance : max: 4000 cd/m2
Maximum Content Light Level : 323 cd/m2
Maximum Frame-Average Light Level : 144 cd/m2
However, madVR's OSD is regularly showing much higher values than 323 cd/m2, and even the credits at the end with pale white text on black show 170-200 cd/m2.
Is the OSD 'correcting' the values somehow, or is MediaInfo reporting wrong values?
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Old 14th February 2018, 22:19   #49000  |  Link
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Quote:
Originally Posted by steakhutzeee View Post

If I enable deinterlacing the counter goes down, so 40 seconds, 32 etc.
You're deinterlacing so you're doubling the frames presented and that will affect this, probably best to enable Smooth Motion.
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