Windows 10: Why is my mute button not effecting certain apps?

I was playing a game while listening to music when I realized I could only hear the music in my headset, and that is when I took them off and heard the game sound coming from my monitor. I changed the sound output from my headset's headphone option to the headset option, but nothing changed and the game audio kept playing from my monitor. I muted my computer from the keyboard and the game sound wasn't effected even though I saw the sound widget come up in the top corner on my monitor. The game I was playing has no designated section in settings for changing different aspect's output device. I

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Is There An Auto-Mute-Speakers App?

Hi, I'm looking for an app that I can record certain soundbytes to, and once that app recognizes one second of that same exact sound byte, it will auto-mute the audio on the computer for a certain amount of time, for example, say like 20 seconds, then un-mute the audio.

Thanks

 

How to view all muted apps?

I've used the Volume Mixer to mute certain apps, and sometimes an app will be muted that I don't remember I had muted. I can go into the Volume Mixer and unmute apps, but it only shows the programs that are currently running. When an app that was muted when it was closed starts up again, it's still muted. Is there a way I can see the muted apps that aren't currently running?

 

How to view all muted apps?

ms-settings:apps-volume

Paste it in a Run box or create a shortxcut.