IZotope RX 9 Advanced Upgrade RX 1-9 Standard (ESD) audio restoration software upgrades iZotope RX 1-9 Standard to RX 9 Advanced in-depth process control with extensive intervention options and few artefacts Dialogue Isolate features an improved source separation algorithm for extracting dialogue from noisy recordings and content with complex environmental noise Ambience Match, with Static and Complex mode, ensures a consistent spatial impression for composite scenes and ADR lines Ambience Match in Complex mode learns and recreates non-repeating real background movement and textures like ocean, wind, traffic, and crowds while Static mode provides the uncorrelated background noise De-hum Static and Dynamic mode removes background hum including harmonics with narrow-band filters Dynamic mode automatically cleans the full audio spectrum with up to 1024 dynamic notch filters by learning the noise profile Restore Selection enables rolling back an audio selection to any previous step in the Undo History RX Spectral Editor and RX Music Rebalance ARA extension for Apple Logic Pro allows to remove noise or remix and extract stems within a plug-in window inside the DAW Spectral Recovery restores frequencies above 4 kHz and ensures that bandwidth-limited audio is converted into clear, crisp recordings, e.g.