Anonymous asked in Consumer ElectronicsCell Phones & Plans · 9 months ago

How are phones able to detect ultra and infra sound?

1 Answer

  • 9 months ago
    Favourite answer

    The same way any device would, that was made to detect those frequencies, microphones or sensors made just for that purpose. Otherwise a great marketing team making up things to get you to buy apps that state they pick up those frequencies, even when they don't. 

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