500.days.of.summer.2009.1080p.bluray.x265.10bit... (2026)

A: Audio codecs. DTS (Digital Theater Systems) and AC3 (Dolby Digital) are common. Your keyword didn’t specify, but most rips include a 5.1 surround track.

This is where many users get confused.

X265 is an open-source implementation of the standard. 500.Days.of.Summer.2009.1080p.BluRay.X265.10bit...