Logic Pro/Express 8 and 9: Discussion of the Normalize feature in the Bounce dialog
Logic 8 and later offer a new Normalize check box in the Bounce dialog window. When it's selected, Logic calculates the maximum possible volume for the bounce without exceeding 0 dBFS, and writes a resulting audio file with the optimum level for whatever format you are bouncing to. There are several points to keep in mind with this feature: