start | indicates the location within a temporal alignment
at which this element begins. |
| Datatype: IDREF |
| Values: contains the identifier of a previously defined <loc>
element |
| Default: #IMPLIED |
Note | If no value is supplied, the element is assumed to follow
the immediately preceding element at the same hierarchic level.
|
end | indicates the location within a temporal alignment at which
this element ends. |
| Datatype: IDREF
|
| Values: contains the identifier of a previously defined <loc>
element |
| Default: #IMPLIED
|
Note | If no value is supplied, the element is assumed to
precede the immediately following element at the same hierarchic level.
|
dur | (duration) indicates the length of this element in time, using either
specific units or the units specified on the associated temporal
alignment.
|
| Datatype: CDATA
|
| Values: contains a number optionally followed by a standard unit
indicator |
| Default: #IMPLIED
|
Note | If units are not defaulted, they should be represented
using standard abbreviations (s for second, m for minute, etc.)
|