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OVERVIEW Certain elements are commonly used in media-related metadata definitions. This section defines these common elements in the form of the "md" namespace. Full documentation is a combination of the written document and the XML Schema itself. Version 2.12 This annual release of Common Metadata expands Basic Metadata with extensive support for live events, along with a range of features to support specific use cases. Technical metadata improves audio channel mapping and file configurations, expands image metadata; and adds/expands video, audio, and subtitle encoding parameters. Version 2.12 Specification (March 21, 2024) Version 2.12 Schema
A presentation summarizing Common Metadata, MEC, Media Manifest and MMC updates can be found here (PDF) VALIDATOR and Tool Suite Information and links to the MDDF Validator are here: www.movielabs.com/md/validator. The Tool Suite, including an online validator are at mddf.movielabs.com. Best Practices Guidance for solving specific problems on undertanding certain concepts can be found at www.movielabs.com/md/practices Release History A full release history including change lists and deprecated versions can be found here. Educational Materials We have created videos that explain concepts. An introduction to metadata can be found here. The full class is here. A video explaination of the Language Metadata Table is here. Controlled Vocabularies
Guidelines
Examples
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