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Old 04-29-2017, 07:05 PM   #21
Automan
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Mhm... lot of things can interfere , but I've found a post in The Rise of Flight forum:


Since the very beginning, i always had a problem with my Freetrack/TrackIR become very stuttery when using both FFB and TrackIR at the same time.

I now found a way to get rid of this:

The reason for this stuttering was my mouse-axis. By default, you can control the view with your mouse (look around when in the cockpit etc.). TrackIR "overrides" the mouse-input.

What i now did, was unbinding the mouse-axis, so i can ONLY control the view with Freetrack. It completely fixes this problem for me and it works perfectly smooth now.


Have you tried to delete the mouse binding in DCS?

Another thing about USB 2.0/3.0
The maximum power draw for a USB 2.0 is 500ma and 900ma for 3.0
The usual power draw for track IR is 350ma +
Some motherboards, have the USB ports coupled on the rear, try to leave the nearest free, as Kuky wrote in an old post years ago.

Quote:
Originally Posted by Kuky View Post
A shot in the dark here, is your TrackIR plugged in into motherboard USB on its own? I mean the USB hub on the motherboard has 2 USB ports and each hub is rated 500mA and TrackIR is using 350mA... so try to have only TrackIR use the motherboard USB hub (leave USB port next to it free), also you can try changing power options in windows, go to advances settings for your power profile and make sure power management for the USB ports is off.
You can try also with a USB powered hub.
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Old 04-29-2017, 07:10 PM   #22
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Quote:
Originally Posted by hughlb View Post
I was hopeful, but unfortunately I'm currently on the latest version of TrackIR software, but with no luck. I have tried the following over the last year:

2 monitors - gsync/non-gsync
2 video cards - 970/1070
2 different 16GB DDR3 kits - 1 1600, 1 2400
2 different SSD's - two different brands and sizes
8 different USB slots - 3.0 and 2.0, front, mobo, pci-e card
Tried 2 different OS - 8.1 and 10
Tried a fresh install of OS, and DCS
Tried various drivers, firmware etc.
Tried different Nvidia and game settings, including vsync, gsync, no sync
Clean install of windows and DCS, including formatting all drives, three times now.
Bios updated to the latest version
Hyperthreading on/off, and various other latency, affinity tweaks (currently at default)

No issues with stuttering with DCS, or other 3D applications - stuttering only occurs in conjunction with trackIR/DCS

Can anyone think of anything else I can try?

Could it be my motherboard? my PSU? CPU? TrackIR hardware? - I've almost bought an entirely new machine to resolve this issue.

I can't replicate the problem in other games, it seems native to DCS.

I've had tickets with ED and with NaturalPoint, but I think they're at the point where there isn't anything else to try. It's disappointing to throw this much money and time at the problem, and still not know what the cause is, let alone how to fix it.
Is it possible for you to try another TrackIR receiver?

BTW. "Clean install of windows and DCS, including formatting all drives, three times now": this truly speaks to your dedication to the task!!! THREE re-installs ... WOW. Respect ...
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Old 04-30-2017, 06:00 AM   #23
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Quote:
Originally Posted by Sgt_Baker View Post
Haven't forgotten about you regarding the sensible testing setup. Does appear that you're pulling your hair out right now. Might be wise to take a few steps back? For your own sanity?What I mean is that nobody should spend $4000 making a $400 component work.
Ha, all good, I appreciate your help. I took a break for a few months, the good news is every time I return, there are new things to try. The main frustration is the cost - I could buy a new TrackIR, but it may end up on the growing pile of investments unrelated to the problem I wish my friends liked simming! I'd borrow hardware.

Quote:
Originally Posted by Automan View Post
Have you tried to delete the mouse binding in DCS?

Another thing about USB 2.0/3.0
The maximum power draw for a USB 2.0 is 500ma and 900ma for 3.0
The usual power draw for track IR is 350ma +
Some motherboards, have the USB ports coupled on the rear, try to leave the nearest free, as Kuky wrote in an old post years ago.
You can try also with a USB powered hub.
I tried deleting all mouse bindings in-game and in the various lua files in the config folder, but nno change.

I am currently running TrackIR into a powered PCI-E USB 3.0 card, with nothing else plugged into it, so it should be getting sufficient power. I also tried maximizing the Windows USB power options, but no change.

Quote:
Originally Posted by Bearfoot View Post
Is it possible for you to try another TrackIR receiver?

BTW. "Clean install of windows and DCS, including formatting all drives, three times now": this truly speaks to your dedication to the task!!! THREE re-installs ... WOW. Respect ...
I would dearly love to try another receiver. I've toyed with the idea of purchasing another TrackIR, but yeah, it's still a lot of money. I mean, if Mike at NaturalPoint said "I think your TrackIR might be faulty", I'd happily give it a shot, but there haven't been too many suggestions about a faulty unit.

The oddest thing is the behavior of the problem - It's linear, in that, the stuttering is consistent and directly related to the framerate in-game, regardless of graphics settings. It's the sort of thing you would see if your mouse and TrackIR were sending conflicting view inputs, or something similar. Or a monitor refresh rate / TrackIR interaction problem.

What I do know, is that TrackIR runs at a native 120hz, and the stuttering is solved in-game, when my framerate is at 120fps. I can't help but believe there is some sort of connection there.

EDIT: Okay, this is odd. When I disconnect my mouse from my computer, DCS says my TrackIR has been disconnected and I lose headtracking. Is that normal? Doesn't happen when I unplug my keyboard, just my mouse.
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Last edited by hughlb; 04-30-2017 at 06:21 AM.
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Old 04-30-2017, 06:38 AM   #24
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Quote:
Originally Posted by hughlb View Post

What I do know, is that TrackIR runs at a native 120hz, and the stuttering is solved in-game, when my framerate is at 120fps. I can't help but believe there is some sort of connection there.
Did you look at some of the other issues discussed in the thread, specifically these:

https://forums.eagle.ru/showpost.php...0&postcount=81
https://forums.eagle.ru/showpost.php...8&postcount=90

which reference this page:

https://forums.geforce.com/default/t...e-time-issue-/

It ties together the monitor refresh rate and the FPS causing stuttering.

Also, I take it where you live does not give you the option of purchasing a new TrackIR and returning it if it does not fix the issue?
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Old 04-30-2017, 06:51 AM   #25
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Quote:
Originally Posted by Bearfoot View Post
Did you look at some of the other issues discussed in the thread, specifically these:

https://forums.eagle.ru/showpost.php...0&postcount=81
https://forums.eagle.ru/showpost.php...8&postcount=90

which reference this page:

https://forums.geforce.com/default/t...e-time-issue-/

It ties together the monitor refresh rate and the FPS causing stuttering.

Also, I take it where you live does not give you the option of purchasing a new TrackIR and returning it if it does not fix the issue?
That sounds like possible connection. However, if is were a timing issue, then it should be occurring in other games, and it's not. It's also worth mentioning there is no stutter when panning the view with keyboard or joystick hats. If it were a general timing issue, I would expect it to be stuttering all the time, not just with TrackIR. Thoughts?

EDIT: I ran the Windows Timer Tool and set it to 1ms response time, which matches my monitor, but no difference in DCS. Likewise, I think I've tried before, but I disabled/enabled HPET and Hyperthreading, but no change

Also, sorry, I missed your last question - no, there is no return for TrackIR, it'd need to be sent overseas - in addition, my warranty has run out (although I did lodge an initial ticket with NaturalPoint during the warranty period).
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Last edited by hughlb; 04-30-2017 at 07:27 AM.
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Old 05-01-2017, 12:27 AM   #26
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I'm in Adelaide and I have a TIR4 and a TIR5

Last edited by Thermal; 02-18-2018 at 04:56 AM.
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Old 05-01-2017, 02:14 PM   #27
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Quote:
Originally Posted by Thermal View Post
I'm in Adelaide and I have a TIR4 and a TIR5 that I stole off my brother
Thermal, I'll PM you
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Old 02-14-2018, 02:16 PM   #28
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Originally Posted by hughlb View Post
Thermal, I'll PM you
Hi mate have you solved your trackir problem?
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Old 02-15-2018, 07:13 AM   #29
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60hz monitor here, FPS locked to 60, not issues on my end
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Old 03-13-2018, 08:55 PM   #30
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Identical issue in 2.5 beta. Gsync 144Hz monitor, TrackIR5, up to date PC, running DCS at 60-200 FPS. On my regular settings (high) I get around 100 FPS on average @2k resolution. For time being my workaround is to turn off MSAA which allows me to lock frame rate @120FPS solid.

Trackir panning microstutters/jitters if frame rate is not locked to 60 or 120 fps. Turning GSync off doesn't help.

No issues in other games. The issue is not noticeable on low end (60hz non-gsync) monitor, probably because frame rate is always capped at 60fps.

Last edited by mdee; 03-13-2018 at 09:08 PM.
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