: The "x2..." likely cuts off x265 , a high-efficiency video codec. It provides superior compression, maintaining high visual quality at a smaller file size than the older x264 standard.
: This indicates 6-channel audio , typically a 5.1 surround sound setup (Center, Front Left/Right, Rear Left/Right, and a Subwoofer). Extrapolations.S01E01.1080p.10bit.WEBRip.6CH.x2...
: This signifies the video uses a 10-bit color depth (High Dynamic Range or HDR). It allows for over a billion colors, significantly reducing "banding" in gradients like sunsets or shadows compared to standard 8-bit files. : The "x2