did butterfingers ken turn something on?

ken lawrence
 

Hi listers ken here. I noticed my system sounds and even pandora were both extremely soft. I tested to make sure pandor’s volume was maxed and still very low. then when jaws 40 minute mode was about to expire and I shut it down to switch to NVDA suddenly pandora sounded right.  did I turn on audio ducking by accident and how do I shut that off in settings center? is it a toggle pretty sure butterfingers ken did it by accident. 

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