audiodata — Pointer to external audio data
Required attributes are show in bold.
This empty element points to external audio data.
There are two ways to provide content for
FileRef. It is best to use only one of these
methods. However, if multiple sources are provided,
EntityRef will be used in favor of
Identifies the location of the data by external identifier (entity name)
Indentifies the location of the data by URI
Specifies the format of the data
The following elements occur in audiodata: