GarageBand is an ideal software package—easy to use, included on every Mac, and capable of editing interviews quickly. The process of editing audio content by editing waveforms is standard across all audio programs. The actual mechanics for making the edit may differ, but every software package will include a way to cut out unwanted material and join the sound you want to use.
This tutorial provides an introduction to audio editing through GarageBand.
You can download the raw file, a rough edit and the finished audio of the file used in this tutorial from the Apple web site. The files are in the right column.
Filed under: Audio