![]() To save them having to amend the standard each time industry requirements needed a new data type adding to the BWF chunk, they introduced the "AXML Chunk" in 2003, which allowed more data-sets to be added while staying within the BWF standard by formatting them as XML data. Metadata is added to the wave file in "chunks" according to the MS standard, and Tech 3285 defines a chunk specification to be the "BWF chunk set", version 2. Version 2 (May 2011), and EBU Tech 3285, Supplement 5: XML Data Chunk You might also want to read EBU Tech 3285, Specification of the Broadcast Wave Format (BWF) A format for audio data files in broadcasting. : This metadata structure can be used to carry one or more identifiers and in a format other than ISRC. It is recommended to express the required value of the identifier in the form of a URN starting with the ISRC: prefix followed by the formally registered ISRC value. The formatLink provides a URI to the EBU classification scheme and the termID associated with the ISRC (optional). The formatLabel is set to ISRC, or International Standard Recordiong Code as defined informatDefinition (optional), which defines the structure of the identifier. The typeLink is not used as EBU doesn't have a classification scheme for identifierTypeTypes. The typeLabel is set as a GUID, or Globally Unique Identifier as defined in typeDefinition (optional), which distinctly differentiates works and versions of a work. ![]() It contains the necessary declaration of the namespaces associated with the dc: and ebucore: prefixesĪn instance of the identifier element where: These few lines of XML represent an instance of the EBUCore's identifierType schema applied to ISRC.
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