Usually refers to a "High Profile" encode setting that uses a higher bitrate. This prevents "banding" in dark scenes, which is crucial for a movie with so many nighttime sequences in cramped alleys. Why the BluRay Rip is Essential
"x264" is a free, open-source software library for encoding video streams into the H.264/MPEG-4 AVC format. This is the industry standard for high-definition video compression, used in everything from Blu-ray discs to online streaming. It efficiently compresses large video files (like a 1080p Blu-ray) into much smaller sizes while retaining excellent visual quality. In the context of our keyword, it means the 720p video was encoded using this highly efficient algorithm, resulting in a file that is manageable in size but still looks great. Usually refers to a "High Profile" encode setting
To help find the right version for your archive, please let me know: This is the industry standard for high-definition video