Elements defined
Instantiation Elements
The Instantiation elements all technical metadata about the physical or digital representation of the AV asset. This can include format, media type, duration, file size, data rate, aspect ratio, frame rate, and many other aspects of the media object. The Instantiation metadata includes the location of the physical or digital media object, which in the case of a streaming media file can be its full URL. In PBCore there can be many Instantiations for the same AV asset, all of which share the same Intellectual Content metadata.