The x264 codec is widely regarded for its ability to preserve original film grain and deep contrast while keeping file sizes manageable. In Memento , the stark contrast between the gritty, documentary-style black-and-white scenes and the saturated, bright California color palette requires excellent bitrate management. The x264 video encoding prevents color banding in dark motel rooms and retains the sharp cinematic textures intended by cinematographer Wally Pfister. The Importance of Dual Audio (Hindi + English)