This is just one of over seventy Media Asset Management (MAM) systems covered in the Media Asset Management Guide. Also see descriptions of the workflows.
"MediaSilo is a cloud-based collaboration, sharing, and video management platform for creative pros... Now in it's 4th generation, the MediaSilo platform provides turn-key solutions for post-houses, production companies, networks, and studios." While primarily focused on video, MediaSilo also handles audio and documents. Also see the Supported File Formats.