This amendment updates the existing standard for multimedia frameworks within the Information Technology sector, specifically focusing on the MPEG-21 framework's Part 19, which deals with the Ontology of the Media Value Chain (MVC). It introduces extensions to handle temporal periods and multi-track audio, enhancing the capabilities of media management systems. The document is part of a series designed to standardize multimedia content delivery and interaction across various applications.
*** Please note: This description may not be accurate, please refer to the official documentation.