Stands for Blu-ray , meaning the source is a physical disc rip rather than a digital streaming (Web-DL) version. x264: The video codec used to compress the file.
A simple web tool where you upload your file, enter the time shift (e.g., +2 seconds), and download the corrected version. subtitle Black.Widow.2021.1080p.BR.x264.AAC.6ch...
The audio format (Advanced Audio Coding) with 6-channel (5.1 surround sound) support. Where to Find the Subtitles Stands for Blu-ray , meaning the source is
Use the H key to delay the subtitle or G to speed it up while the movie is playing. The audio format (Advanced Audio Coding) with 6-channel (5
Searching for the exact file string typically leads to subtitle repositories and media databases. If you are looking to find, sync, or understand this specific release, Release Technical Breakdown
One of the largest databases; it allows you to filter by "Blu-ray" sources specifically.