RX 9 De-ess
RX 9 De-ess is a VST audio plugin from iZotope, Inc. that reduces excessive sibilance (harsh "s" and "sh" sounds) in vocal recordings and other audio sources. It is used by audio engineers, sound designers, music producers and post-production professionals who work in digital audio workstations (DAWs) like Logic Pro, Cubase, Studio One, Reaper and Ableton Live. The De-ess plugin lets users target specific frequency ranges where sibilance occurs and reduce their intensity without affecting the rest of the mix.
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1 suggestionRX 9 De-ess is a VST plugin component, not a standalone application — it cannot be updated or installed on its own. It is part of the iZotope RX 9 suite and must be updated through iZotope's official product portal. To get the native Apple Silicon build of RX 9 De-ess, open the iZotope Product Portal (the account management tool that ships with or is downloaded from izotope.com), log in, select RX 9 from your installed products, and install or update to the latest build. The iZotope Product Portal will detect your Mac's architecture and serve the native Universal Binary automatically. After updating RX 9 itself, the De-ess plugin will be replaced with its native version on your system. Your DAW will then load the native Apple Silicon version of the plugin the next time you launch it or rescan your plugin folder.
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