: The term "portable" usually refers to the file or software being easily movable and usable across different devices without installation or compatibility issues.
This phrase characterizes a specific sub-genre of digital media consumption where high-fidelity content is optimized for portability. By combining visuals with 7.1 surround sound in a compressed x264 container, the file is designed to bridge the gap between high-end home theaters and mobile entertainment setups (laptops/tablets).
The string you provided appears to be a specific for a digital copy of Vikings Season 2. If you are looking for a "paper" (analysis or overview) regarding this specific season or the historical context it covers, Overview of Vikings Season 2
This article dissects why this particular encoding of the second season of the History Channel’s magnum opus, Vikings , has become a benchmark for high-quality, flexible media consumption.