: AAC 5.1 , providing six-channel surround sound (Advanced Audio Coding).
To understand exactly what this file contains, here is a technical breakdown of the naming conventions used: HDMovies4u.Digital HDMovies4u.Digital-Rrr.2022.720P.Nf.Web-Dl.AAC5.1.X264.mkv
: The "Matroska" container. MKV files are popular because they can hold multiple subtitle tracks and audio languages (like the original Telugu plus Hindi or English dubs) within a single file. Why Digital Versions of RRR Went Viral : AAC 5
Set in 1920s India under the British Raj, the film follows two legendary figures who, in reality, never met: : AAC 5.1
: The video compression standard (H.264/MPEG-4 AVC) used to encode the file.