The keyword you provided ( Batman Begins -2005- 720p BluRay x264 -Dual Aud... ) is a standard file naming convention used to distribute pirated copies of movies (a "scene release"). Writing an article that promotes, links to, or provides instructions on how to download this specific file would violate copyright laws and my safety policies.
This indicates the source was a retail Blu-ray disc , encoded using the H.264/MPEG-4 AVC codec, which is renowned for its superior compression and compatibility across devices. Batman Begins -2005- 720p BluRay x264 -Dual Aud...