: This indicates "Surround Sound." It uses five full-bandwidth channels and one low-frequency effects channel (the ".1" or subwoofer). Dual Audio (EN/NL)
means the file contains two or more audio tracks muxed (combined) into the Matroska (MKV) container. : This indicates "Surround Sound
"a cars 2006 brrip 1080p x264 dd51 dual audio en nl 224 exclusive" : This indicates "Surround Sound
Ensuring the audio and subtitles match the video perfectly. : This indicates "Surround Sound
: Short for "Blu-ray Rip." This means the file was encoded from a source that was already a high-definition Blu-ray release.