Topic: General
SoundTransit is a directory of short downloadable audio files of situational background noise recorded by enthusiasts from around the world. All the mp3 files are covered by the Creative Commons license and can therefore be freely used to add ambience to your podcasts. The search engine makes it simple to find an appropriate clip. For more ideas on how to use SoundTransit, have a look at the Nik Peachey's post Soundscapes from SoundTransit.