@ Music Database Archive
It is likely optimized for mobile viewing (9:16 aspect ratio).
"XiaoYing" is the Chinese name for the VivaVideo app, and these specific, long-string filenames are automatically generated when a user exports a video they have edited, trimmed, or added effects to within the app. XiaoYing_Video_1629617123662mp4
This translates to "Little Shadow" or "Little Film." It is the parent company (QuVideo) and the original Chinese brand name for VivaVideo [1]. It is likely optimized for mobile viewing (9:16