Sound Output Set Volume.vi Isn't Adjusting Windows Volume Mixer

Updated May 3, 2018

Reported In

Software

  • LabVIEW 2014 Base
  • LabVIEW 2014 Full
  • LabVIEW 2014 Professional

Other

Windows 10

Issue Details

I want to use LabVIEW to output a sound file, and I would like to adjust the volume of the sound file. I am using the Sound Output Set Volume.vi and I don't see the volume updated in the Windows Volume Mixer window. 

Solution

The Windows Volume Mixer slider bar will not reflect the volume value passed to the Sound Output Set Volume VI.

Additional Information

For an example of setting sound output volume in LabVIEW, look at the NI Example Finder by going to Help » Find Examples » Hardware Input and Output » Sound » Generate Sound.vi.

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