Izotope RX 4, Audio Restoration Software, suppress broadband and tonal noise without the harsh artefacts of other solutions, remove intermittent noises, corrupted intervals and gaps with spectral repair re-synthesis, eliminate overload distortion by automatically rebuilding clipped sections of audio, clean-up hum and buzz caused by poor wiring and other electrical problems, remove impulse noises like clicks, crackles and pops, digital artefacts and more, see more detail with innovative metering and the most advanced spectrogram display available, select by time and frequency to isolate and repair noise with surgical precision, save time by processing multiple settings in parallel, and revert to earlier settings with an undo history view. for Windows 7, 8 and Mac OS X 10.6.8 or higher, Formats: VST, Audio Unit and Standalone, Attention: license only - no media (CD/DVD) included, requires download from manufacturers website