Tag Archives: Ultrasound at my home

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Treated like a dog: It is Ultrasound about 14 kHz at my home

I have the torturing ultrasound at my home the whole day. I tested the spectrum with a special Ultrasoundapp for making my ultrasound. Recording with the phone is not possible, only with the securitycam. The app reaches until 8 kHz. I made the same sound with a dog defending app and it seems like it sounds equal as 14 kHz,

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