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Remove dolly creaks with iZotope RX

Izotope RxTry it →Watch full video →iZotope, Inc.iZotope, Inc.·

Demo summary

Dialogue editor Evan Benjamin demonstrates how to identify and remove mechanical dolly creaks from a recording by copying neutral room tone and pasting it over the noise anomalies in the RX spectral editor while maintaining sync.

Step-by-step

  1. Open the audio in the RX spectral editor
  2. Identify visual anomalies that do not look like organic speech
  3. Turn off Instant Process
  4. Go to Preferences > Miscellaneous and set 'Default full bandwidth paste mode' and 'Default limited bandwidth paste mode' to 'To selection'
  5. Select a relatively neutral area of room tone and copy it
  6. Highlight the dolly creak anomaly and paste the neutral tone over it

Options

  • Use Instant Process to immediately replace unwanted sounds
  • Use Keyboard Maestro macros to import audio into RX

Watch out for

  • Ensure paste mode is set to 'To selection' to prevent the inserted audio from shifting the timeline and breaking sync

Tips

  • Look for visual patterns that look 'ugly' or mechanical compared to the organic look of speech
  • Copy a large chunk of neutral tone to ensure a natural replacement
  • Use this manual copy-paste method to remove up to 100% of mechanical creak sounds

Highlights

“if you work on this software for any length of time, it's pretty easy to spot the kind of anomalies”

All demos from “Sound design secrets: How RX rescues dialogue on FX's The Bear | iZotope”

  1. 13:532:04Remove dolly creaks with iZotope RXCurrentDialogue editor Evan Benjamin demonstrates how to identify and remove mechanical dolly creaks from a recording by copying neutral room tone and pasting it over the noise anomalies in the RX spectral editor while maintaining sync.Izotope RxAI Audio Enhancer & Noise Reduction
  2. 16:121:20Generate clean room tone in iZotope RXThe editor shows how to create a usable loop of neutral room tone from noisy production audio by identifying small clean segments and pasting them over breaths and rustling sounds.Izotope RxAI Audio Enhancer & Noise Reduction
  3. 17:361:37Isolate overlapping dialogue using spectral editingEvan Benjamin demonstrates removing an overlapping 'S' sound from one actor's track to allow a clean transition to a different take, using iZotope RX to surgically delete the unwanted vocal artifact.Izotope RxAI Audio Enhancer & Noise Reduction
  4. Watch “Sound design secrets: How RX rescues dialogue on FX's The Bear | iZotope” →

AI Audio Enhancer & Noise Reduction

  1. 6:581:21Analyzing broadband noise and reverbThe narrator demonstrates how ambient reverb and room noise appear as 'cloudy dense fog' between vocal phrases in the RX 12 interface.Mastering․com
  2. 8:241:09Locating plosives in vocal recordingsThe demonstrator identifies low-frequency 'hot spots' in the spectrogram to pinpoint and play back distracting 'P' and 'B' plosive sounds.Mastering․com
  3. 13:211:43Removing plosives with the De-plosive moduleThe narrator uses the frequency-time selection tool to isolate a plosive and renders the De-plosive module to clean the audio.Mastering․com
  4. 15:231:27Comparing multiple processing settingsThe demonstrator shows how to use the 'Compare' history to toggle between original audio and two different De-plosive settings before rendering.Mastering․com
  5. 26:550:58Instant Process mode for rapid editingThe narrator demonstrates the 'Instant Process' feature to automatically apply De-click and Attenuate functions simply by highlighting audio areas.Mastering․com
  6. 35:582:37Real-time spectral editing in a DAW via ARAThe demonstrator uses the RX 12 Spectral Editor plugin inside Studio One to perform non-destructive plosive removal and S-attenuation directly on the timeline.Mastering․com
  7. 44:541:57Removing cymbal bleed from a snare trackA demonstration of the rebuilt De-bleed module using machine learning to isolate a snare drum from heavy cymbal bleed without a sidechain reference.Mastering․com
  8. 55:372:38Batch breath removal with Breath ControlThe narrator applies the Breath Control module to an entire vocal track, adjusting sensitivity to reduce breaths while maintaining a natural sound.Mastering․com
  9. 1:03:081:48Repairing clipped audio with De-clipThe demonstrator uses the De-clip module to reconstruct transients and remove digital distortion from an over-gained vocal recording.Mastering․com
  10. 1:07:401:24Eliminating guitar amp humThe narrator uses the 'Learn' function in the De-hum module to identify and completely remove a consistent buzzing sound from a guitar track.Mastering․com
  11. 7:131:05Remove snare bleed using the De-bleed moduleThe user demonstrates the De-bleed module on a drum track, selecting the 'snare' profile and adjusting the percentage to reduce unwanted bleed from other instruments.White Sea Studio
  12. 2:021:55Remove drum bleed with iZotope RX 12 De-bleedThe narrator demonstrates the rebuilt De-bleed plugin on snare and tom tracks, showing how it removes cymbal and kick bleed while preserving the primary drum sound and ghost notes.Audio Toolshed
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