ɪn dʒˈɛnɚɹəl wˈeɪvz wɪl biː ɹᵻfˈɜːd tʊ æz ˈiːðɚ ʃˈɔːɹt pˈiəɹɪəd fˈɪftiːn sˈɛkəndz ɔːɹ lˈɛs ɔːɹ lˈɔŋ pˈiəɹɪəd wˈeɪvz sˈɪkstiːn ɔːɹ mˈoːɹ sˈɛkəndz.
In general waves will be referred to as either short period (15 seconds or less) or long period waves(16 or more seconds).