Apple Logic Express 9 - Manual (Page 385)

To resize an Arrange audio region from the Sample Editor
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Directly edit the start and end markers in the Region row at the bottom of the Sample
Editor.
This action affects the size of the corresponding Arrange region immediately.
To resize and replace an Arrange audio region from the Sample Editor
1 Select the portion of the audio file in the Sample Editor by dragging directly across the
waveform display.
2 Choose Edit > Selection > Region in the Sample Editor (or use the corresponding key
command).
This allows you to define an audio passage as a selection, and then convert it to a region,
in place of the originally selected region.
To resize the Sample Editor selection from the Arrange area
1 Select the region in the Arrange area (presumably of a different length than the current
Sample Editor selection).
2 Click the Sample Editor title to make sure that the Sample Editor has key focus.
3 Choose Edit > Region > Selection in the Sample Editor (or use the corresponding key
command).
If Audio > Search Zero Crossings is turned on, any length adjustments to audio region
start or end points snap to the nearest zero crossing point of the waveform.
The disadvantage of this option is that altered start or end points never land exactly on
the selected musical grid. If this causes a problem, you can simply turn off the Audio >
Search Zero Crossings setting. The primary reason for turning on this setting is that it
prevents clicks and pops at region start and end points.
385 Chapter 13 Creating Your Arrangement