For more information about Audacity, GarageBand, Adobe Audition CC and SoundCloud, please consult the online help guides.
Safari Online offers a variety of podcasting and audio editing resources. Trinity has a subscription to Safari Online. To find out more about this offering and for directions on how to sign in, go to the Safari E-Books Guide.
To learn more on this topic, go to the Audio Editing and Podcast Playlist for a list of resources available through Safari Online.