How to mute/lower sound in Media Player

Ok, so I dragged the Media Sound Wave into the scene to create an AmbientSound. As you said, I was able to set the sound class (though it doesn’t look exactly the same as your example):

But … it still doesn’t work. Bear in mind I am playing the sound/video in UMG, so is the creation of an AmbientSound really the right approach?

Just to explain again, this is the current setup:

  1. A video file brought in as Media Player
  2. UMG widget with the Media Player playing as a video (as brush in an image widget)
  3. Two Sound Mixes, one with volume set to 0, one with volume set to 1. Both are set to affect the Master sound class.
  4. A button in the UMG which toggles (with combined pop/push operations) between the two sound classes, essentially toggling to mute/unmute the sound.
  5. A Media Sound Wave created from the Media Player has been added to the scene to create an AmbientSound actor
  6. The AmbientSound actor has had its sound class set to Master, so that it should be affected by the pop/push of the Sound Mixes (which are set to affect the Master sound class)

And yet, the mute/unmute button does nothing to affect the sound coming out of the Media Player playing in the UMG.

I am happy to send the project if that would help?

Do you have a working example of a setup where you can control the volume of a Media Player video playing in the UMG?