M-AUDIO Pro Tools Recording Studio - Manual (Page 523)

Chapter 25: Editing Regions and Selections 505
Quantizing Regions to Grid
The Quantize to Grid command adjusts the place-
ment of selected audio and MIDI regions so that
their start points (or sync points, if present)
align precisely to the nearest Grid boundary.
To quantize individual MIDI notes or Elastic Au-
dio Events, use the Quantize Event Operations.
You can also use the Quantize Event Operation
to quantize audio regions (see “Quantize” on
page 798).
To quantize one or more regions:
1 Select the Grid value (see “Defining the Grid
Value” on page 725).
2 With the Selector or Time Grabber tool, select
the region or regions you want to quantize. The
regions can be on multiple tracks. Only regions
that are entirely selected will be quantized.
3 Choose Region > Quantize to Grid. Region start
times (or sync points) are aligned to the nearest
boundaries for the defined Grid.
For MIDI regions, only the regions are quantized
and all MIDI data contained within the regions
(such as notes) are moved equally, thereby re-
taining their rhythmic relationships.
For Elastic Audio regions, only the regions are
quantized and all Elastic Audio Events con-
tained within the regions (such as transient
events) are moved equally, thereby retaining
their rhythmic relationships.
Editing Stereo and
Multichannel Tracks
Regions on individual channels within stereo
and multichannel tracks cannot be indepen-
dently selected. All selections for these tracks are
time-based, which means that selections made
with the Selector or Time Grabber tool extend to
each and every channel in the track.
When regions in multichannel tracks are edited
with any of the Trimmer tools or dragged with
the Time Grabber tool, material on all channels
is affected equally as a group.
Split Selected Tracks
To edit a specific channel within a stereo or
multichannel track without affecting the other
channels, you can split the track into separate
mono tracks. Once the edits have been made to
the separated material, you can then drag or
copy it back to the original multichannel track.
To split a stereo or multichannel track:
1 Select one or more stereo or multichannel
tracks (see “Selecting Tracks” on page 167).
2 Choose Track > Split Into Mono. Regions from
the channels on the selected tracks are placed on
new, mono audio tracks.
Press Control+0 (Windows) or
Command+0 (Mac) to Quantize to Grid.
To quantize individual MIDI notes or Elas-
tic Audio Events, use the Quantize Event
Operations. You can also use the Quantize
Event Operation to quantize audio regions.
For more information see “Quantize” on
page 798).