With the fourth ceremony, however, the system changed, and professionals were honored for a specific performance in a single film.
wɪððə fˈoːɹθ sˈɛɹᵻməni, haʊˈɛvɚ, ðə sˈɪstəm tʃˈeɪndʒd, ænd pɹəfˈɛʃənəlz wɜːɹ ˈɑːnɚd fɚɹə spəsˈɪfɪk pɚfˈoːɹməns ɪn ɐ sˈɪŋɡəl fˈɪlm.