iZotope RX 9 Standard Crossgrade (ESD); audio restoration software; crossgrades from from any paid iZotope / Exponential Audio product to RX 8 Standard; profound process control with extensive set of parameters and less artifacts; 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; Guitar De-noise to remove or reduce amplifier noise and interference as well as string, fretboard and heavy pickup noise; Loudness Control with various current loudness settings to adapt the audio material to broadcast requirements, as well as numerical and progression display for short term and momentary loudness; Batch Processing allows the use of a complete processing chain with Module Chain, displays the associated metadata and allows export to multiple audio formats; Music Rebalance enables automatic creation of stems, identifies vocals, bass, drums and other instruments, and allows subsequent changes in mix balance as well as removal or isolation of stems; Instant Process for quick auto-corrections in the spectrogram; Composite View with up to 16 tracks for editing multitrack recordings; Repair Assistant detects problems such as noise, clipping, clicks, etc. and offers editing suggestions in three intensity levels; Variable Time and Variable Pitch to change timing and pitch; De-bleed allows the reduction of unwanted crosstalk such as headphone or click sounds on vocal tracks etc.; Spectral De-ess attenuates sibilants without loss of sound quality; Mouth De-click removes unpleasant mouth noises; Spectral Repair allows specific processing in the Spektorgram to interpolate dropouts, removal of background noise, etc.; Voice De-noise reduces unwanted static or dynamic background noise such as air conditioners, refrigerators, etc.; De-plosive for transparent processing of plosive sounds; Spectral De-noise removes or reduces permanent background noise; De-click is used to eliminate clicks, pops and digital impulses; De-clip reduces / eliminates analogue and digital clipping artefacts; Many other functions such as normalise, fades, resample, dither etc.; contains 16 modules, 10 plug-ins and 18 utilities