Apple Soundtrack Pro 3 - Manual (Page 223)

To zoom in using the Zoom tool
1 Click the Zoom Tool button above the time display.
The pointer changes to a Zoom pointer.
2 In the waveform display, do one of the following:
• Click to zoom in.
• Option-click to zoom out.
• Drag horizontally to select the part of the waveform you want to zoom in on.
The waveform display zooms in on the selected area.
For information on other ways to zoom in and out in the waveform display, see Zooming
In and Out in the File Editor .
Choosing the Sample Units in the File Editor
Along the left edge of the File Editor is a scale of sample units for the audio file. You can
set this scale to any of the following sample units:
• Sample Value
• Normalized
• Percent
• Decibels
To set the sample units in the waveform display
Do one of the following:
µ
Choose View > Sample Ruler Units, then choose a format from the submenu.
µ
Control-click along the left edge of the waveform display where the sample units appear,
then choose the sample units you want from the shortcut menu.
223 Chapter 8 Working in the File Editor