These two terms are redundant but clarifying. (High Efficiency Video Coding) is the standard. x265 is the open-source encoder used to create the file. This is the successor to the old x264 (H.264).
: The video codec used. High-Efficiency Video Coding (HEVC) is the successor to x264; it allows for much smaller file sizes without sacrificing visual quality. Spectre.2015.1080p.10bit.BluRay.8CH.x265.HEVC-PSA
All because of a 10-bit, 8-channel, x265-encoded ghost. These two terms are redundant but clarifying
* What is Metadata. A set of data that describes and gives information about other data, “Data about data” but that's very meta. . OWC - Other World Computing Spectre.2015.1080p.10bit.BluRay.8CH.x265.HEVC-PSA