razer deathadder elite (PMW3389-T3QU) internal pics, sensor info, etc... - Page 2 - Overclock.net - An Overclocking Community

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post #11 of 99 (permalink) Old 10-06-2016, 03:12 AM
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more likely someone at the pixart snuck in the smoothing to make the sensor less competitive

/tinfoilhat
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post #12 of 99 (permalink) Old 10-06-2016, 03:16 AM
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Originally Posted by wareya View Post

more likely someone at the pixart snuck in the smoothing to make the sensor less competitive

/tinfoilhat

I'm inclined to believe that the on 3366 srom without "smoothing" was unintentional. It's existence is entirely intentional.

Then again, I'm not an engineer!
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post #13 of 99 (permalink) Old 10-06-2016, 03:34 AM
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I agree, I think the most recent generation of razer cables is super good, super pliable, doesn't hold any shape

That's nice to hear! But the braid snags on some of my mouse pads and that's why I always disliked them. Debraid sounds great but I personally have never tried it. Knowing me I'd cut the wire in half tongue.gif

All those who enjoy, enjoy it! Didn't mean to rain on any parades
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post #14 of 99 (permalink) Old 10-06-2016, 04:08 AM
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That's nice to hear! But the braid snags on some of my mouse pads and that's why I always disliked them. Debraid sounds great but I personally have never tried it. Knowing me I'd cut the wire in half tongue.gif

All those who enjoy, enjoy it! Didn't mean to rain on any parades
Try it on a mouse you don't use first, i can't even put new mousefeet without hassle because i'm clumsy af but i managed to debraid g900 and 2xg403 cables without problems. It's day and night difference especially in logitech mice, razer braided cables are better.

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post #15 of 99 (permalink) Old 10-06-2016, 12:20 PM - Thread Starter
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Originally Posted by chr1spe View Post

Why would you add even more smoothing at high DPI than the public version.
I don't honestly think that's intentional.
absolutely intentional

the first level of smoothing is toggled right above 1800dpi.

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post #16 of 99 (permalink) Old 10-06-2016, 04:16 PM
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It's part of their gaming optimization, the smoother the better.
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post #17 of 99 (permalink) Old 10-06-2016, 04:17 PM
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on the other hand since it's not mcu smoothing I don't think it was part of the da elite's design philosophy

mcu smoothing is "better" since it doesn't respond to framerate transitions and covers up sensor-mcu framerate phase shift
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post #18 of 99 (permalink) Old 10-06-2016, 04:40 PM
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now i kinda wanna try an Elite cable. i don't care to have the mouse attached to it though. first world problems.

Quote:
Originally Posted by uaokkkkkkkk View Post

I'm inclined to believe that the on 3366 srom without "smoothing" was unintentional. It's existence is entirely intentional.

well it's not like someone would accidentally implement averaging. but i agree the srom without smoothing was most likely a mistake and not some experiment. though i still wonder why it's there..

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Originally Posted by wareya View Post

mcu smoothing is "better" since it doesn't respond to framerate transitions and covers up sensor-mcu framerate phase shift

are you saying that dsp-level smoothing doesn't use the last frame after it crosses a threshold?
because i've been wondering if that could actually be the main purpose of the 2frame smoothing (smoother transition between framerates). but in that case i guess not
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post #19 of 99 (permalink) Old 10-06-2016, 04:46 PM
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FIR smoothing stores residual frames

on pixart sensors with sensor level smoothing, framerate shifts indirectly change the amplitude reference point of the stored residual frames; the same motion at different framerates corresponds to different amounts of movement per frame

Or at least that's why I'm assuming there's a "jump" when the framerate changes with such smoothing

edit: considering the low resolution of the logic, there might be a set of ideal framerates for a given sensor?
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post #20 of 99 (permalink) Old 10-06-2016, 07:45 PM - Thread Starter
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ya
https://www.overclock.net/t/1554228/visualizing-smoothing-in-mousetester/0_100#post_24210511

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