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.
ConceptShare is a "visual collaboration platform" with markup tools (pointer, pen, crop, highlighter) for collaborators to visually review documents, images, video, audio, and web pages. They refer to the type of DAM they provide as "Creative Operations Management (COM)". The list of video and audio file formats that ConceptShare supports is here.
Here is a quick intro video (more here):
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