Apple Soundtrack Pro 3 - Manual (Page 388)

If no part of the file is selected, recording starts at the playhead position and lasts until
you stop recording. If your recording extends past the end of the audio file, the file is
lengthened to include the recording.
To record audio in the File Editor project view
1 Open an audio file project in the File Editor project view.
2 Select the part of the project you want to record to.
If no part of the audio file is selected, recording starts at the current playhead position
and proceeds until you stop recording.
3 Click the Record button in the transport controls (or press Command–R).
As you record, the recorded area appears red in the waveform display. The level meters
in the Recording tab show the levels of the input signal being recorded. If the input signal
clips (rises above 0 dB), the peak indicator lights red.
388 Chapter 16 Recording Audio in Soundtrack Pro