DigiDesign Pro Tools Reference Manual page 483

With the Time Compression/Expansion Trim
tool, you can move the MIDI region's start or
end point to expand or compress the region,
scaling the MIDI data accordingly regardless of
the track's timebase (ticks or samples).
Before trimming
After trimming
Scaling a MIDI region with the Time
Compression/Expansion Trim tool
Using the Time Compression/
Expansion Trim Tool in Grid Mode
The Time Compression/Expansion Trim tool
can be used in Grid mode to match a region to
the tempo of a session or a section of a session,
or to create "double time" or "half time" perfor-
mances.
To use the Time Compression/Expansion Trim tool
in Grid mode:
Set the Edit mode to Grid.
1
Set the MIDI or Instrument track to Regions
2
View.
Click the Trim tool pop-up menu and select
3
"TCE."
With the Time Compression/Expansion Trim
4
tool, drag the MIDI region's start or end point to
compress or expand the region to the Grid (for
example, by quarter notes). A new region is au-
tomatically created, and appears both in the
playlist and in the Region List.
Using the Time Compression/
Expansion Trim Tool in Slip Mode
To use the Time Compression/Expansion Trim tool
in Slip mode:
Set the Edit mode to Slip.
1
Set the MIDI or Instrument track to Regions
2
View.
Click the Trim tool pop-up menu and select
3
"TCE."
With the Time Compression/Expansion Trim
4
tool, drag the MIDI region's start or end point to
compress or expand the region freely. A new re-
gion is automatically created, which appears in
the playlist and in the Region List.
Using the Time Compression/
Expansion Trim Tool in Spot Mode
In Spot mode, clicking with the Time Compres-
sion/Expansion Trim tool in a region opens the
Spot Dialog. You can specify the location where
you want the region to start or end, or the dura-
tion of the region, and the region is automati-
cally compressed or expanded as specified.
To use the Time Compression/Expansion Trim tool
in Spot mode:
Set the Edit mode to Spot.
1
Set the MIDI or Instrument track to Regions
2
View.
Chapter 22: MIDI Editing 471