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iZotope Debuts Ozone 4, Latest Version Of Mastering Suite

iZotope has updated and expanded Ozone's processing algorithms, optimizing them for today's low-latency DAW environments

By PSW Staff January 23, 2009

One of the screens of the new iZotope Ozone 4

iZotope announced that it will be shipping Ozone 4, the latest update to its software mastering suite,  later in January 2009.

Ozone 4 builds on the program’s reputation with new innovations and refinements. iZotope has updated and expanded Ozone’s processing algorithms, optimizing them for today’s low-latency DAW environments.

Ozone 4 also features a new Intelligent Loudness Maximizer mode, mid/side processing for superior control over the sound stage, hybrid crossovers, a re-designed interface and a completely updated preset manager featuring innovative MacroPresets.

In addition, numerous interface improvements and ease-of-use additions make Ozone even more accessible to musicians who want to quickly finalize their projects, while also offering precise tools for professional engineers.

Key Features:
– Integrated mastering system combining analog warmth and digital precision
– Seven essential mastering processors in one integrated plug-in
– Updated processing algorithms, optimized for low-latency DAW environments
– New mid/side processing tools add a whole new dimension of power to Ozone’s EQ, dynamics, harmonic exciter and reverb modules by letting you process different parts of the soundstage separately
– New IRC Intelligent Loudness Maximizer “Intelligent II” mode provides full, loud and dynamic masters while handling transients with unprecedented clarity
– Improved and enhanced preset manager with over 100 presets and a floating window for easier editing and better visual feedback
– New MacroPresets let you adjust a few simple parameters to find the perfect starting point for mastering a project
– Completely re-designed input and output metering shows real-world analog peak levels (inter-sample peaks), simultaneous peak and RMS values, and now includes full K-System metering support
– New hybrid crossovers combine the best aspects of digital and analog crossovers
– Many more interface and ease-of-use additions including refined EQ controls, automatic gain compensation, “Amount” sliders to dial in more or less processing on each module, and more

Plug-in formats:
Pro Tools 7 (RTAS/AudioSuite), VST, MAS, Audio Unit, and DirectX

Windows Vista, XP
Apple OS X (Universal Binary)

Ozone 4 will be available for $249 MSRP.  It is distributed worldwide by M-Audio and will also be available direct (download only) from

Customers who bought Ozone 3 after October 1, 2008 are eligible for a free upgrade to Ozone 4 when it is released. Existing Ozone 3 customers will be able to upgrade for $79 USD.

iZotope Website


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