Another problem unique to animation is the requirement to maintain a film's consistency from start to finish, even as films have grown longer and teams have grown larger.
ɐnˈʌðɚ pɹˈɑːbləm juːnˈiːk tʊ ˌænɪmˈeɪʃən ɪz ðə ɹᵻkwˈaɪɚmənt tə meɪntˈeɪn ɐ fˈɪlmz kənsˈɪstənsi fɹʌm stˈɑːɹt tə fˈɪnɪʃ, ˈiːvən æz fˈɪlmz hæv ɡɹˈoʊn lˈɔŋɡɚ ænd tˈiːmz hæv ɡɹˈoʊn lˈɑːɹdʒɚ.