ðə pˈiəɹɪəd ʌv ðɪs vˌɛɹɪˈeɪʃən ðə dˈɪstəns ˌoʊvɚ wˌɪtʃ ɐ fˈʊl ɹoʊtˈeɪʃən ʌv θɹˈiːhˈʌndɹɪd sˈɪksti dᵻɡɹˈiːz ɪz kəmplˈiːɾᵻd ɪz nˈoʊn æz ðə pˈɪtʃ, pˈiː.
The period of this variation (the distance over which a full rotation of 360° is completed) is known as the pitch, p.