multi-track fails with latency issue

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multi-track fails with latency issue

Permanent link to this post Posted by wacissa » Thu Dec 28, 2017 11:11 pm

Latest version of Windows 10. Behringer UMC202HD audio interface. Latest version of Audacity. First track records OK. Create a new track, and ensure overdub is 'on'. Try to record but transport does not move. When I stop record, a message pops up regarding latency. See attached.
Attachments
behringer latency problem overdub.jpg
Audacity error message
behringer latency problem overdub.jpg (40.27 KiB) Viewed 192 times
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Re: multi-track fails with latency issue

Permanent link to this post Posted by durango99 » Tue Jan 02, 2018 5:50 am

Interestingly enough I've been searching for this issue for the past few weeks. After some testing I finally figured out the problem and the simple fix. It seems that after the driver is installed, Windows (in my case Windows 10) will default the playback of the Behringer USB to 48000Hz. (Go to Playback Device > Behringer device (such as UMC202HD) > Properties > Advanced). In my case it defaulted to 16 bit, 48000Hz - CD Quality.

However, Audacity defaults to projects working at 44100Hz.

So with a mismatch I had the issue you and others have described where you can record the first track but then trying to do overdub with playing that first track and then recording a second track, nothing happens.

I've set the Playback of the Behringer to either 16bit or 24bit 44100Hz to match what Audacity uses and now overdub (recording while listening to previously recorded tracks) works perfectly.

Yeah!
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Re: multi-track fails with latency issue

Permanent link to this post Posted by durango99 » Tue Jan 02, 2018 6:04 am

Also, the original idea came from this thread:
https://forum.audacityteam.org/viewtopi ... 15#p338015

where 'steve' wrote: "I think the most likely reason that this might happen, is if the device is being asked to operate at two different sample rates simultaneously."

---

and the OP confirmed that it was the playback device was playing at a different rate here (in the same post)
https://forum.audacityteam.org/viewtopi ... 20#p338020

where they wrote: "You were dead right - I only checked the recording device. On a hunch I checked the playback for my USB interface and it was set to one step higher than the recording interface."
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Re: multi-track fails with latency issue

Permanent link to this post Posted by steve » Wed Jan 03, 2018 4:02 pm

wacissa wrote:Latest version of Windows 10. Behringer UMC202HD audio interface. Latest version of Audacity. First track records OK. Create a new track, and ensure overdub is 'on'. Try to record but transport does not move. When I stop record, a message pops up regarding latency. See attached.

Check that "Software Playthough" is off.

In Audacity "Help > About Audacity", what is the version number?
9/10 questions are answered in the FREQUENTLY ASKED QUESTIONS (FAQ)
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