SoundSoap can rescue your recordings from noise problems like air conditioners, traffic, fans, hiss, hum, clicks, pops, crackles, distortion/clipping, and low volume. It's inexpensive and easy to use, with professional results.
Open the media to be cleaned and SoundSoap will automagically find and remove background noise. Adjust the settings and share the results- its that easy! In most cases, only a few mouse clicks are needed for powerful results. SoundSoap includes everything you need to record and clean your media files.
Also available is SoundSoap+, which provides several powerful additional controls for pinpoint accuracy in your audio restoration work, at an amazing value.
Note: Version 5 is a paid upgrade. Pricing info can be found here.
Note: Now requires a 64-bit Intel processor.