The string is a standardized file naming convention used by digital release groups. It identifies the specific technical attributes of a video file for the series 1923 . Content Identification
: Indicates "2 Channel" audio, meaning the file has Stereo sound rather than 5.1 Surround Sound. 1923.S01E02.720p.10bit.WEBRip.2CH.x265.HEVC-PSA...
: The vertical resolution of the video (1280x720 pixels), commonly referred to as Standard High Definition. The string is a standardized file naming convention
: The tag for the release group ( PSA Risks ) that encoded and distributed the file. They are known for high-compression "mini" encodes that maintain visual fidelity while saving storage space. 1923.S01E02.720p.10bit.WEBRip.2CH.x265.HEVC-PSA...