Run MediaInfo or use ffmpeg -i "filename.mkv" and look for:
: This is the video codec used to compress the file. HEVC (High Efficiency Video Coding) allows for high-quality video at a smaller file size compared to older standards. 300 -2006- OPEN MATTE -1080p WEB-DL x265 HEVC 1...
This is the most critical part of the filename. To understand Open Matte, we must understand aspect ratios. Run MediaInfo or use ffmpeg -i "filename
: Unlike the theatrical 2.35:1 widescreen version, this release uses an 1.78:1 (16:9) aspect ratio. Because the film was shot on Super 35mm, the top and bottom of the frame were originally "matted" out for theaters; "Open Matte" removes these bars to fill a standard HDTV screen. To understand Open Matte, we must understand aspect ratios
Open Matte is a filming technique where a movie is shot with a full frame (often Super 35 film), and the top and bottom are matted out (masked) for the theatrical release to create a widescreen effect.
For those interested in the technical aspects of this format, here are some additional details: