Audio: speaker, microphone and stereo


Thread Starter
Sep 26, 2020
I have recently encountered issues with my speaker system. There is activity/interference in my speaker system despite me turning off all sound. The activity stops when I disable the speakers, the microphone and the stereo. I wasn't able to upload a video of the activity, so I took screenshots of the video instead. Does anyone know if this activity is due to or proof of ultrasound hacking? My nextdoor neighbour has been playing ultrasound frequencies regularly and if my partner and myself don't wear earplugs we are getting headaches. I have attached photos of these frequencies which I have obtained using an ultrasound detector app.


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