[Solved] Latency incrementally increases following buffer underruns Topic is solved

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zaxys
Sun Dec 06, 2015 3:45 am

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Latency incrementally increases following buffer underruns

Hi,

I recently purchased an audio interface (Tascam 16x08) which I use for FL Studio playback, recording and live monitoring.

I use a tiny buffer size of 64 samples to avoid latency and my system can normally handle my projects without experiencing any buffer underruns.

However, while loading effects or instrument plugins, the CPU spikes a bit and some underruns sometimes occur. When I experience underruns, the latency increases by a noticeable amount and remains constant ever after (even if I remove or disable newly added effect plugins). If I repeat the process, the latency seems to add up. (For instance, adding after adding (and loading) Edison for the first time in a new project (and fresh instance of FL Studio), I feel there is about .5 second of delay between a key press and the default kick sound that wasn't there before.) I even measured the phenomenon with round-trip latency test.

In short, if I see the "little clock" replacing the mouse cursor when I load something, I know some latency is added and somehow, I now play music in a near future.

If I close audio device and open it again, the latency returns to normal. Changing any mixer track input source or output target parameters seems to "reset" the latency also.

For now, I enabled the "Auto Close" checkbox of the Audio settings as a work around, I hit Alt+Tab twice and the lag is gone!

I'm wondering if this is a bug in the Tascam ASIO driver or could it be related to FL Studio? I couldn't test on other DAW softwares as I don't own any other. Who needs another DAW than FL Studio anyway :P

Thank you,

Short setup description:
FL Studio 12.1.3 32bit on Windows 10 (high-performance mode)
Latest Tascam ASIO driver 1.04 (44.1 kHz / 24bit / 64 smp), default ASIO options in FL Studio Audio Settings
Bug replicated on a crappy Intel i3-2330 / 4 GB RAM laptop and on a decent i7-4770k / 32 GB RAM desktop.




zaxys
Wed Dec 09, 2015 1:46 am

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Re: Latency incrementally increases following buffer underru

Hi, I attached a screen capture of the audio se...
You do not have the required permissions to view the files attached to this post.





reflex
Site Admin
Wed Dec 09, 2015 9:13 pm

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Re: Latency incrementally increases following buffer underru

Does the latency increase disappear if you rein...



reflex
Site Admin
Thu Dec 10, 2015 8:48 am

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Re: Latency incrementally increases following buffer underru

zaxys wrote:Yes, exactly. If I use "auto close"...






reflex
Site Admin
Wed Jan 27, 2016 8:56 am

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Re: Latency incrementally increases following buffer underru

Do the latency values in the audio settings win...


reflex
Site Admin
Wed Jan 27, 2016 12:39 pm

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Re: Latency incrementally increases following buffer underru

It sounds like a problem that was reported year...












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