Quantizing Regions To Grid; Locking Regions - DigiDesign Pro Tools Reference Manual

The Shift command works the same regardless
of the Edit mode. For example, adjacent regions
are overlapped in Shuffle mode, the Spot dialog
does not appear when in Spot mode, and shifted
material does not snap to the Grid when in Grid
mode.

Quantizing Regions to Grid

The Quantize to Grid command adjusts the
placement of selected audio and MIDI regions
so that their start points (or sync points, if they
contain them) precisely align to the nearest Grid
boundary.
To quantize one or more regions:
Configure the Grid value. For details, see "De-
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fining the Grid Value" on page 342.
With the Selector or Time Grabber tool, select
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the region or regions you want to quantize. The
regions can be on multiple tracks. Only regions
that are entirely selected will be quantized.
Choose Region > Quantize to Grid. Region
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start times (or sync points) are aligned to the
nearest boundaries for the defined Grid.
For MIDI regions, all data contained within the
regions (such as notes) are moved equally,
thereby retaining their rhythmic relationships.
To quantize individual MIDI notes, use the
Quantize command in the Event > MIDI sub-
menu (see "Input Quantize" on page 503).
348 Pro Tools Reference Guide

Locking Regions

If you have a region or group of regions that you
want to permanently associate with a particular
location in a track (a beat, SMPTE frame, or sam-
ple location), you can lock it in place so it will
not be accidentally moved. Locked regions can-
not be moved or deleted.
To lock a region:
With the Time Grabber, select the region or re-
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gions to lock. The regions can even reside on
multiple tracks.
Choose Region > Lock/Unlock.
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Locked audio region
A small lock appears in the region, indicating it
has been locked and cannot be moved. If you at-
tempt to perform edits that would move a
locked region, Pro Tools alerts you.
In Shuffle mode, locked regions, and all regions
occurring after the locked region, are not dis-
placed when other neighboring regions are
moved.