Apple Soundtrack Pro 2 - Manual (Page 217)

Chapter 6 Editing Audio Files 217
 Color pop-up menu and gradient slider: Use the menu and slider to customize the
gradient for Frequency Spectrum view.
 Reset button: Resets all controls to their default values.
To open the Spectrum View HUD:
1 Turn on Frequency Spectrum view.
2 Do one of the following:
 Choose View > File Editor Display > Show Spectrum Controls.
 Control-click the spectrum display, then choose Show Spectrum Controls from the
shortcut menu.
Adjusting the Frequency Spectrum View with the Shortcut Menu
You can also Control-click the Frequency Spectrum view to change the settings.
To show the frequency spectrum on a logarithmic scale:
m Control-click the Sample ruler along the left edge of the display, then choose
Logarithmic from the shortcut menu.
To show the frequency spectrum on a linear scale:
m Control-click the Sample ruler along the left edge of the display, then choose Linear
from the shortcut menu.
To display the audio file in Frequency Spectrum view, part of the audio data for each
given point in time is analyzed. Each method of analysis represents a slightly different
compromise between frequency resolution and spectral leakage. You can choose
among several different analysis methods, called analysis windows, used to display the
frequency spectrum in Frequency Spectrum view.
To choose an analysis window for Frequency Spectrum view:
m Control-click the spectrum display, then choose an analysis window from the upper
part of the shortcut menu.
Frequency Spectrum view changes the display using the analysis window you selected.
Experiment with these options to see which one shows the data the best.