Only high-frequency sounds like mating calls are heard in this way, but low-frequency noises can be detected through another mechanism.
ˈoʊnli hˈaɪfɹˈiːkwənsi sˈaʊndz lˈaɪk mˈeɪɾɪŋ kˈɔːlz ɑːɹ hˈɜːd ɪn ðɪs wˈeɪ, bˌʌt lˈoʊfɹˈiːkwənsi nˈɔɪzᵻz kæn biː dɪtˈɛktᵻd θɹuː ɐnˈʌðɚ mˈɛkənˌɪzəm.