84 September 2005 XMP Specification XMP Schemas Property Value Types 4 Timecode A time value in video. timeScaleStretch A set of parameters used when stretching audio using the Time-Scale stretch mode. EXIF Schema Value Types These types are used only within the EXIF schema. Rational To represent EXIF rational values in XMP, they must be converted to text. The recommended approach is to use a value of type Text of the form: numerator forward slash (‘/’) denominator. For example, the value 2/3 becomes the text value "2/3" when converted to XMP. Field Name Value Type Description timeValue Text A time value in the specified format. Time values use a colon delimiter in all formats except 2997drop, which uses a semicolon. The four fields indicate hours, minutes, seconds, and frames: hh:mm:ss:ff The actual duration in seconds depends on the format. timeFormat Closed Choice of Text The format used in the timeValue. One of: 24Timecode 25Timecode 2997DropTimecode (semicolon delimiter) 2997NonDropTimecode 30Timecode 50Timecode 5994DropTimecode 5994NonDropTimecode 60Timecode 23976Timecode Field Name Value Type Description quality Closed Choice of Text One of: High Medium Low frameSize Real The splices per beat. frameOverlapping Percentage Real The percentage of overlap between frames.