(Helicopter noise) can be audible.Logical formLearned from4 sentences. (Police radios) can be audible.Logical formLearned from4 sentences. Some sounds can be audible.Logical formLearned from4 sentences. Data can be audible.Logical formLearned from4 sentences. A beat can be audible.Logical formLearned from4 sentences. A ding can be audible.Logical formLearned from4 sentences. A stroke can be audible.Logical formLearned from4 sentences. Responses can be audible.Logical formLearned from4 sentences. An one can be audible.Logical formLearned from4 sentences. An (audio format) can be audible.Logical formLearned from4 sentences. A hash can be audible.Logical formLearned from4 sentences. A (warning device system) can be audible.Logical formLearned from4 sentences. An art can be audible.Logical formLearned from4 sentences. A continuous signal can be audible to a fluoroscopist.Logical formLearned from4 sentences. Pagers can be audible.Logical formLearned from4 sentences.