Playing audio files in the waveform editor – Apple Soundtrack Pro User Manual
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Chapter 7
Working in the Waveform Editor
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 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 between several
different analysis methods, called window functions, used to display the frequency
spectrum in Spectrum view.
To choose a window function for Spectrum view:
m
Control-click the spectrum display, then choose a window function from the upper part
of the shortcut menu.
You can also choose the number of samples used to calculate the spectrum display.
To choose the number of samples used for Spectrum view:
m
Control-click the spectrum display, then choose a number from the lower part of the
shortcut menu.
To return to Waveform view:
m
Click the Waveform View button.
Playing Audio Files in the Waveform Editor
You can play an audio file in the Waveform Editor, so you can hear the file and any
changes you make to it.
To play an audio file:
m
Click the Play button in the transport controls (or press the Space bar). Click the Play
button (or press the Space bar) again to stop playback.
You can set the playhead in the Waveform Editor in the same way as you set it in the
Timeline, by clicking in the waveform display or in the Time ruler, using the transport
controls, or using the Playhead Position value slider. For more information, see “