UR22mkII latency

This section is about Steinberg's UR and UR-RT USB audio interfaces product range
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Erix
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UR22mkII latency

Post by Erix » Thu Jan 10, 2019 9:35 pm

Hi there,

I have just installed my brand new UR22mkII and it almost works well.

However, the latency (input and output) is in the 15 - 20 ms range.
Is it what is expected from this audio interface?
This is what I get from my entry level Behringer Xenyx X1222 console.
I remember my old EMU 1616 (PCMCIA connector) used to provide a decent ~5ms latency 15 years ago...

Is ~17ms the normal latency to expect from this device?
Is it due to USB?
Can I expect better result with a USB 2 port? Even better with a USB 3 port?
Is there any recommended settings in the configuration panel to improve this?

Thanks in advance for your answers.

Best regards, Erix.
Ciao, Erix.

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jaslan
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Re: UR22mkII latency

Post by jaslan » Fri Jan 11, 2019 12:58 am

What is your buffer size set to? The latency is directly related to the buffer size. 15-20 mS sounds like a 512 sample buffer at 44.1 kHz.
32 samples should get you 2-4 mSec latency but, depending on the machine and the project, you may get dropouts and crackles.
Cubase Pro 10. Core-i7 7700HQ, 16GB RAM, Windows 10. UR44. M-Audio Axiom Pro 61. Fishman TriplePlay. Komplete 11 Ultimate. Jamstix 4. Absolute VST3. 418 Carrier Landings.
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Erix
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Re: UR22mkII latency

Post by Erix » Mon Jan 21, 2019 4:59 pm

Yes it is 512 samples buffer at 44.1Khz.
So you confirm this is expected latency.
Ciao, Erix.

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jaslan
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Re: UR22mkII latency

Post by jaslan » Mon Jan 21, 2019 11:26 pm

Yes. 512 samples / 44100 samples per second = .0116 seconds or 11.6 mSec. Thats just the buffer. Add a few mSec for actual conversion of A to D, etc. Try lowering the buffer size to 256 , 128, or even 64 samples. See if you get a nice uninterrupted audio stream with no crackles or pops. USB 2 or 3 may help but in most cases, the CPU’s ability to process the audio (i.e. effects, instrument sounds, etc.) is the limiting factor. So for recording, turn off effects and processing in the DAW that you don’t really need to achieve lower buffer sizes with good results.

HTH
Cubase Pro 10. Core-i7 7700HQ, 16GB RAM, Windows 10. UR44. M-Audio Axiom Pro 61. Fishman TriplePlay. Komplete 11 Ultimate. Jamstix 4. Absolute VST3. 418 Carrier Landings.
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Erix
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Re: UR22mkII latency

Post by Erix » Wed Jan 23, 2019 7:02 pm

I'm using a USB 2 port.
I have tried smaller buffers, but I do have a lot of additional problems with that UR22.
After opening a Cubase (9.5 Artist) session I quickly have very bad noise when playing or recording music.
A lot of cracking audio. I have spent days trying to play with the buffer parameter with no success.
Ciao, Erix.

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