SoundTap Pro Edition for Mac

SoundTap Pro Edition for Mac OS X lets you record just about any audio that plays through a Mac OS X including streaming radio, VoIP calls, and Instant Messaging conversations. All audio is 'tapped' by a virtual driver directly within the kernel so the process is perfect digital quality. Simply install this software, turn it on and then all sound played on or through the computer will be recorded as wav or mp3 files.