Apple Soundtrack Pro 2 - Manual (Page 121)

Chapter 4 Working with Multitrack Projects 121
To use the shortcut menu to make a mono channel selection from a stereo clip:
m Control-click the clip in the Timeline, then choose one of the following options from
the shortcut menu:
 Channel Select > Mono > 1
 Channel Select > Mono > 2
The clip waveform display changes to a single (mono) waveform, and the clip
functions in the project as a mono file.
To use the shortcut menu to make a channel selection from a multichannel clip:
m Control-click the clip in the Timeline, then choose one of the options from the
shortcut menu.
If you choose a mono option, the clip waveform display changes to a single (mono)
waveform, and the clip functions in the project as a mono file. If you pick a stereo
option, the clip waveform display changes to a stereo waveform, and the clip functions
in the project as a stereo file.
Choose a channel from
the shortcut menu.
The clip’s waveform
display updates to a
single (mono) waveform.