TC/E (Time Compression/Expansion) SectionLets you select the plug-in used for Time Compression and Expansion when you edit audio with the Time Compression/Expansion Trim tool. This Trim tool works by using Time Compression/Expansion to match an audio clip to the length of another clip, a tempo grid, a video scene, or other reference point. The Time Shift plug-in is selected by default.Specifies the default settings used by the chosen Time Compression/Expansion plug-in.