iZotope RX Plug-in Pack: Audio Repair Plug-In Clean up audio from less-than-ideal recording scenarios: reduce background noise, amp hum, clicks, and other sudden sounds captured when recording voice or instruments Dont lose the flow of an inspired performance: remove clipping from a vocal recording that got hotter than expected Salvage noisy tracks that were headed for the trash: filter out line hum, buzzes, ground loops, or other unwanted sounds when its too late to re-track.