I've been hearing weird short "chirps" on youtube re-broadcasts of my shows on non-licensed accounts. I was wondering if they were weird leaking ultrasond sign

I've been hearing weird short "chirps" on youtube re-broadcasts of my shows on non-licensed accounts. I was wondering if they were weird leaking ultrasond signals (leaking under 22khz) used for advertisement tracking on mobile devices. I turn off my mobile at night now before I watch the shows.