SoundSoap for Mac

From BIAS:

Digital audio signal processing tool for the Mac OS X and Windows XP computing platforms. Whether you're shooting videos, restoring vinyl LPs, building websites, creating presentations, or making music, you probably care about your audio. Now, there's an easy-to use tool that will make your work sound better than ever. BIAS SoundSoap scrubs audio squeaky clean-- dramatically reducing tape hiss, clicks and crackles, buzzing and hum, rumble, and most other types of unwanted noise. Archiving your record collection to CD? Let SoundSoap buff out those scratches. Burning CDs from your old cassette collection? Don't forget the SoundSoap. A perfect narration, except for that annoying air conditioner? SoundSoap it! Best of all-- while SoundSoap uses incredibly advanced technology to do its magic-- you don't need to be an audio expert. Just click the one-step "learn noise" button, and watch SoundSoap automatically clean your audio! Or fine-tune SoundSoap's intuitive controls for even more professional results-- in just seconds. So when your sound could use some serious sanitizing, or even just a little freshening up, count on SoundSoap. Nothing does the job faster, easier, or more affordably.