Apple Soundtrack Pro 3 - Manual (Page 226)

Using Frequency Spectrum View
When you first open the File Editor, it shows the audio file in Waveform view. You can
also view and edit an audio file in Frequency Spectrum view. Frequency Spectrum view
gives you a way to find areas of significant frequency change that aren’t visible in a
waveform.
Viewing an Audio File in Frequency Spectrum View
In Frequency Spectrum view, the display shows the frequency spectrum of each channel
of a stereo audio file on a scale from 0 Hertz (Hz) to half the sample rate of the file. For
example, for a 48 kHz audio file, the scale progresses from 0 Hz to 24 kHz.
To view an audio file in Frequency Spectrum view
Do one of the following:
µ
Choose View > File Editor Display > Show Spectrum.
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Click the Frequency Spectrum View button in the upper-right corner of the File Editor
tab or the File Editor project view.
Frequency Spectrum
View button
Waveform View button
The display changes to show the audio file’s frequency spectrum.
226 Chapter 8 Working in the File Editor