essenceTrackTimeStart provides a time stamp for the beginning point of playback for a time-based essence track. It is likely that the content on a tape may begin an arbitrary amount of time after the beginning of the instantiation.
Best Practice: Best practice: Use in combination with essenceTrackDuration to identify a sequence or segment of an essence track that has a fixed start time and end time. Best practice is to use a timestamp format such as HH:MM:SS[:|;]FF or HH:MM:SS.mmm or S.mmm.
Usage: optional, not repeatable
- source: optional | The source attribute provides the name of the authority used to declare the value of the element. Required attribute for pbcoreIdentifier and instantiationIdentifier elements. Can be used as an attribute of any element.
- ref: optional | The ref attribute is used to supply a source’s URI for the value of the element. Can be used as an attribute of any element.
- version: optional | The version attribute identifies any version information about the authority or convention used to express data of this element. Can be used as an attribute of any element.
- annotation: optional | The annotation attribute includes narrative information intended to clarify the nature of data used in the element. Can be used as an attribute of any element.
This element does not have any subelements.