Editing : Edit Modes and Tools : Time Compression/ Expansion Trim Tool : Time Compression/Expansion Plug-In Preferences

Time Compression/Expansion Plug-In Preferences
You can select which AudioSuite plug-in is used for trimming with the TCE Trim tool on non-Elastic Audio-enabled audio tracks.
To set the AudioSuite plug-in for use with the TCE Trim tool:
1 Choose Setup > Preferences.
2 Click the Processing tab.
3 From the TC/E Plug-In pop-up menu, select the AudioSuite plug-in to be used with the Time Compression/Expansion Trim tool.
 
4 From the Default Settings pop-up menu, select the plug-in setting best suited to the material you work with most (such as Stereo Mix Default).
5 Click OK.