Review: iZotope RX 4 & RX 4 Advanced

The good folks at iZotope update their flagship audio repair program, but will the new features entice current users to upgrade? Matt Hepworth repairs to the review to find out.  

iZotope RX has a well-deserved reputation for being the de facto standard in audio repair programs. Many audio engineers and forensic specialists rely on its many powerful tools, which can run either in the stand-alone RX program, or as plug-ins in AU, VST, RTAS, and AAX formats. Now in its fourth incarnation, iZotope RX 4 comes with several new features and modules I'll be discussing here.

RX 4 comes in two versions: RX 4 and RX 4 Advanced. While RX 4 Advanced includes all the new features I'll be reviewing here, RX 4 now includes the Dialog Denoiser (formerly only available in Advanced), as well as Connect, Monitor, Clip Gain, export regions, and updated file format support.

The Look and Feel

If you've used RX in the past, you'll be right at home in RX 4. All the common tools are right where you'd expect them to be. But now, RX 4 has the same crisp appearance found in other iZotope programs, and is a darker slate grey.

The appearance of RX 4.

The appearance of RX 4.

Connect and Monitor

iZotope are the first to admit that the Spectral Repair plug-in workflow was a little messy. So they've created '

Matthew Loel T. Hepworth

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MATTHEW LOEL T. HEPWORTH has been teaching music technology since 1984. The son of educators, he has the ability to thoughtfully instruct people to get the most from complicated music products and software. He authors the Cubase and WaveLab tutorials for macProVideo.com and authored several books including WaveLab 7 Power!, The Power i... Read More

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