Metadata

Name	Type	Description
umid	string	64 bytes containing a UMID (Unique Material Identifier) to standard SMPTE 330M.
description	string	ASCII string containing a free description of the sequence. To help applications which display only a short description, it is recommended that a resume of the description is contained in the first 64 characters and the last 192 characters are used for details.
originator	string	ASCII string containing the name of the originator/producer of the audio file.
originator_reference	string	ASCII string containing an unambiguous reference allocated by the originating organisation.
origination_date	string	ASCII characters containing the date and time of creation of the audio sequence. The format shall be 'YYYY-MM-DDTHH:MM:SS+00:00'.
time_reference	string number	These fields shall contain the time-code of the sequence. It is a 64-bit value which contains the first sample count since midnight.