Other Manipulation of audio/visuals to instill fear

I am wondering if anyone has come across the manipulation of audio or video to send a message of fear? Someone is harassing me, it could be my own partner. For example, I was listening to NPR, quickly realized it had been changed, because the content was inappropriate or didn’t fit the broadcast style. I can only assume someone changed the stream that went to my Amazon player. Fortunately I recorded it. I am having a difficult time understanding why someone would do this. I am starting to think it’s part of a systemic approach by my partner to gaslight me.
 
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