Using Format to Create Cohesion
Per Aronofsky, filmmaking is about “how to make things blend.” With Pi, his decision to use black and white reversal film immediately pulled together elements he felt were otherwise divergent. In creating this alternate world, the high contrast visuals functioned as a suspension of disbelief.
Film as an Exercise in Subjectivity
What sets film apart from theater is its ability to “put an audience in a character’s mind.” While Pi was told from Max Cohen’s perspective, Requiem for a Dream juggled four points of view, which determined Aronofsky’s use of split screen. Additionally, the “hip hop montages,” with their rapid edits, were intended to mirror the all-consuming repetition of addiction.
via 6 Lessons on Filmmaking From Darren Aronofsky | Filmmaker Magazine.