Izotope Rx 6 Rustle

13-05-2021
 |  [RAND-100] - Comments

Overview

IZotope RX 6 Audio Editor Advanced 6.10. The professional’s choice for audio repair raises the bar with game-changing new features for music and post production. Trusted by the top audio pros around the world, RX is built on years of extensive research in advanced digital signal processing.

The Phase module balances asymmetric waveforms by rotating signal phase. Rotating the phase of a signal changes its peak values but doesn’t change its loudness, and otherwise has no audible effect on the signal.

Controls

  • Adaptive Phase Rotation: Continuously analyzes the audio selection and applies the time-variable phase rotation to both left and right channels, resulting in a symmetrical waveform with minimal signal peak levels.
    Adaptive phase rotation is best used on vocal material, as it can occasionally yield pitch artifacts on musical material.
  • Rotation (deg): Rotates the channel’s phase by the specified degree.
    When a waveform’s phase is rotated, every frequency is rotated equally. Rotating phase by 180 degrees inverts the waveform.
  • Suggest: Analyzes the selection for the ideal channel-linked fixed phase for reducing overall peak levels of the signal.

More Information

Asymmetric waveforms can occasionally occur in audio such as dialogue, voice, and brass instruments.

  • Making the waveform more symmetrical gives the signal more headroom.
  • Rotating the phase of a waveform, will change its amplitude characteristics. Phase rotation does not result in a time shift.
  • Because the range of rotation is from −180 to +180 degrees, the Phase tool can be used for simpler purposes, such as inverting signal polarity.
Izotope Rx 6 Rustle

Visual Example of Phase Rotation

Izotope Rx 8

The top waveform in the folloiwing image is a trumpet signal with higher peak values on one side of its waveform (meaning the waveform is asymmetrical.)
The bottom waveform in the folloiwing image has been processed by the Phase module. The processig rotated the phase of the waveform by −72 degrees to distribute its peak samples more evenly (making the waveform more symmetrical.)