Creates new and empty TextGrid. tMin and tMax specify the total start
and end time for the TextGrid. If a new interval tier is added later
without specified start and end, they are set to TextGrid start and end.
Usage
tg.createNewTextGrid(tMin, tMax)
Arguments
tMin
Start time of TextGrid
tMax
End time of TextGrid
Value
TextGrid object
Details
This empty TextGrid cannot be used for almost anything. At least one tier
should be inserted using tg.insertNewIntervalTier() or tg.insertNewPointTier().