Izotope Rx: Stem Splitting with Real-Time Quality

Izotope Rx Try it →Watch full video →Kin Heartbreak · Apr 2026

Demo summary

The creator demonstrates the Stem Split feature in RX 12 using the 'Good/Real-time' setting to separate a track into voice, bass, drums, and other components.

Step-by-step

Open the Stem Split tool
Select the 'Good/Real-time' process setting
Adjust the sensitivity sliders for Voice, Bass, Drums, and Other (default is 50%)
Click Process
Use the DAW-style interface to zoom into specific stem waveforms
Solo individual stems to audition the separation quality

Options

Adjust sensitivity percentages for each stem category independently

Watch out for

Individual stems may contain audible artifacts when soloed

Tips

Evaluate the stems by playing them all at once, as they may sound better in context than when soloed

Highlights

“they don't really sound that good... when they're solo, but when they're played all at once, they don't sound as bad as I thought.”

AI Vocal Remover & Stem Splitter

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2:341:41Edit individual audio stems using Stem SplitThe user demonstrates how to split a file into stems, apply an EQ module specifically to the music layer, and gain down specific effect stems within iZotope RX 12.White Sea Studio
4:250:46Adjust bass frequencies in a mixed track with Music RebalanceThe narrator uses the Music Rebalance tool to isolate the bass stem from a full mix and applies a high-pass filter to fix sub-low issues.White Sea Studio
41:011:36Splitting a mix into stems with Music RebalanceThe narrator uses the new Stem Split feature to separate a full track into voice, bass, drums, and other stems for individual processing.Mastering․com
1:280:33Music Rebalance in iZotope RX 11The user navigates to the Music Rebalance function in RX 11, selects stem options for vocals, bass, and drums, and renders the separated audio windows.HOFA
8:092:31Stem Splitting with Real-Time QualityCurrentThe creator demonstrates the Stem Split feature in RX 12 using the 'Good/Real-time' setting to separate a track into voice, bass, drums, and other components.Kin Heartbreak