The "1080p" resolution is non-negotiable for a film like Aayirathil Oruvan . The film is visually dense. Cinematographer Ramji utilized lighting and color grading to create distinct atmospheres—the lush green of the forests, the arid yellows of the desert, and the terrifying, shadowy blacks of the lost civilization. A lower resolution would compress these details, rendering the intricate set designs of the ancient caves into a blurry mess. The AVC (Advanced Video Coding) ensures that the compression retains the texture of the film grain, preserving the cinematic look.

This stands for Advanced Video Coding (H.264). It means the video was compressed using a method that prioritizes "True" original detail, avoiding the blocky artifacts seen in lower-quality files. The Audio: Immersive Sound DD5.1 - 448kbps: Dolby Digital 5.1

Likely sourced from an official Ayngaran International DVD or digital master.