Drum Computer: Rendering Latency

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flapheadx
KVRer
2 posts since 5 Jan, 2019

Post Thu Dec 19, 2019 1:26 pm

Hi,
I observe a huge latency between the sound and the UI Rendering. Sound is fine, rendering feels off significantly. I can't measure, but my guess would be between 100-300ms. Does anyone else observe this? Seems to be stronger within the DAW than standalone.

I'm on Win10, Cubase Elements 10, VST x64.

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KVRian
1154 posts since 27 Apr, 2007

Re: Drum Computer: Rendering Latency

Post Fri Dec 20, 2019 1:56 pm

Please check the settings for zoom factor. At 100% the gui takes less cpu.
You can also disable the wavetable realtime draw to chill out the gui some more.
(deactivate "Animate WT Draw")
Hope it helps :)

flapheadx
KVRer
2 posts since 5 Jan, 2019

Re: Drum Computer: Rendering Latency

Post Sun Dec 22, 2019 6:16 pm

Hmm, UI scaling might make a difference, but I observe this lag even at 100%. It's not that the UI is slow, there's just some latency. It becomes very obvious when I solo a channel, put a trigger on every quarter note, and compare the meter display of drumcomputer with that of the cubae mixer. The mixer in cubase is tight, in sync with the sound. DrumComputer's meter slightly lags behind. Not a big deal, but I think it also affects the running lights on each track, which can make it a bit difficult to understand what's going on in the sequencer...

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Rivanni
KVRist
248 posts since 4 Feb, 2017

Re: Drum Computer: Rendering Latency

Post Sun Dec 22, 2019 10:34 pm

I experience exactly the same latency. The UI lags behind. Even at 100%.But it shouldn't lag at any percentage of course.

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parma
KVRian
552 posts since 21 Apr, 2004

Re: Drum Computer: Rendering Latency

Post Sun Dec 22, 2019 11:07 pm

I see the same thing in Reason 10 OSX 10.13.6

Place a kick at 5 and 13. The sound occurs when the Drum Computer playhead is at position 4 and 12. It's a whole beat off.

Something feels "off" about the GUI in general - slow to change between pages sometimes

This is using the demo version

EDIT: the playhead itself seems very "jumpy" and not smooth even at zoom factor 100%

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