RIVE by iFeature harmonic splitter plugin interface

RIVE: Real-Time Harmonic Splitter Effect by iFeature

RIVE is a real-time polyphonic harmonic splitter plugin by iFeature that separates any sound into its odd, even, and inharmonic components so each part can be shaped independently.

VST3WindowsmacOS

AVAILABLE ATPlugin Boutique

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01Overview

RIVE is an effects plugin from iFeature built around harmonic control. It splits incoming audio into odd, even, and inharmonic components, letting you work on the internal structure of a sound rather than only its overall tone. The developer says it handles monophonic and polyphonic material with up to 8 voices, and that it runs in real time with low CPU use. RIVE is available as a VST3 plugin for Windows and macOS.

Best for

Sound design
Harmonic shaping
Mixing individual sources
Real-time tone tweaking
Experimental processing

Developer: iFeature
Category: Multi-Effects
Store: Plugin Boutique

02Key features

What you get

Real-time harmonic splitter using about 2% CPU
Splits sound into odd, even, and inharmonic components
Monophonic and polyphonic operation up to 8 voices
Formant Shift control on each slider
Display showing harmonic content and active voices
Three quality modes: rapid, neutral, and detail
Four mini Easter-egg games included

03In depth

Real-Time Harmonic Splitting and Shaping

RIVE separates a sound into three parts: odd harmonics, even harmonics, and inharmonic content. Each part can be shaped, shifted, or emphasized on its own, which gives direct access to the harmonic makeup of a signal.

Formant Shift is available per slider, so you can move the tonal character of each component without changing the others. The plugin works on monophonic and polyphonic sources, with up to 8 voices.

The developer states the plugin runs in real time and takes only about 2% CPU, which keeps it practical inside a busy session.

Display, Quality Modes and Workflow

A built-in display shows the harmonic content and active voices, so you can see what each slider is changing as you work.

RIVE offers three quality modes: rapid, neutral, and detail. Rapid is suited to quick tweaking, while detail is the option to reach for when you want finer processing.

The interface also includes a screensaver and four mini Easter-egg games, which are extras rather than part of the processing workflow.

04Specs