If the video shows simulation outputs, the "xo" could refer to a specific crossover protocol or experiment iteration. 3. Engineering or Materials Science
If I know the visual content (e.g., a person talking, a microscope slide, a computer simulation), I can find the specific study or researcher it belongs to. nsxo_27_45min.mp4
The prefix is frequently used in neuroimaging or neuroscience datasets (e.g., "Natural Scenes" datasets). If the video shows simulation outputs, the "xo"