If you are watching a 480p rip from 2009, you are missing the texture of the shrieking shack. 1080p is the bare minimum for Cuarón’s visual storytelling.
They soon discover that Sirius Black is actually Harry's godfather and was falsely accused of betraying Harry's parents to Voldemort. The real traitor was Peter Pettigrew, a friend of Harry's father, who had been hiding in plain sight as Ron's pet rat, Scabbers. Harry Potter And The Prisoner Of Azkaban Dual Audio 108021