Cannot take Dirac measurements with Umik1 connected to Node Icon

Answered

Mahesh Krishnaswamy

• June 25, 2026 23:47

When I try to take Dirac Live measurements using a Umik1 connected to the USB port of the Node Icon, I don’t hear any sweep sounds from my speakers or my sub. Dirac reports a general error. But when I use the Bluesound puck microphone everything works fine. There seems to be some compatibilty issue between Dirac Live and the Node Icon specifically when the Umik-1 is used.

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• Official comment

  

  Tony W.

  Product Support Manager

  • June 26, 2026 12:20

  This is likely a driver issue with DIRAC and the third party microphone. Please confirm you have loaded the DIRAC microphone calibration file that is unique to your microphone. Please directly contact DIRAC Support for further assistance in this matter.
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  Seppi Evans

  • June 26, 2026 08:23

  Does the Umik work when connected to a computer?

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  Mahesh Krishnaswamy

  • June 26, 2026 09:56

  Yes, it does. I used it, connected to my Windows 11 notebook, to take measurements and create filters with the Node Icon being used in digital passthrough mode to an external DAC.

  When connected to the Node Icon and using its internal DAC and preamp and connected via XLR to a power amp, Dirac is able to ‘see’ my 2+1 speaker setup and I am able to set the speaker levels. But when I start the measurement at the MLP, there is no sweep sound from my speakers and Dirac reports a general error (message 210, error code 1).

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  Mahesh Krishnaswamy

  • June 26, 2026 12:30

  Yes, I loaded the 90 degree Umik-1 file. Also, I must emphasise that I am able to adjust the gain settings via the Dirac screen when I connect the Umik-1, which implies that the Umik-1 is able to receive and process audio data. But when I click the button for the first MLP measurement, everything goes kaput.

  When I use the Bluesound puck, everything works.

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