Quadravox
Eventide
Layer 4 diatonic voices with independent delay, pan, and feedback controls using an intuitive musical staff interface.
Where to get itIncluded with Bitwig Studio. It is part of that DAW, not a separate download.bitwig.com
Freq Shifter+ is an analog-style frequency shifter effect with optional delay network, offering flexible modulation and feedback control. It provides both regular frequency units (Hz/kHz) and time-synced note values for rhythmic effects, with adjustable filter quality and optional all-pass network for enhanced sonic character. Distinctive for its comprehensive feedback shaping options including low/high-cut controls and directional feedback routing.
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Eventide
Layer 4 diatonic voices with independent delay, pan, and feedback controls using an intuitive musical staff interface.
Ableton
Included with Ableton Live
Correct vocal pitch in real-time while shifting formants and LFO modulation for natural, expressive results tailored to any scale.
Polyverse
Stack instant harmonies and morphing pitch effects across 4 voices with MIDI-driven control and deep modulation routing.
Reason Studios
Included with Reason
Neptune is a combined monophonic vocal pitch corrector, pitch shifter, and polyphonic voice synth designed for high-quality vocal processing. It automatically corrects flat vocal input in real-time, with correction adjustable from transparent to hard robotic effects, and can also function as a pitch shifter within ±1 octave range or generate harmonies via MIDI control. Neptune's distinctive combination of three processing sections (Pitch Adjust, Transpose, and Formant) makes it versatile for pitch correction, octave dubbing, backing harmonies, and creative voice effects.
Eventide
Layer 8 independent pitch-shifted voices with individual key, timing, and effects—ideal for polyphonic richness and complex harmonic textures.
Kilohearts
Shift pitch smoothly across tones while grain-based processing adds depth, texture, and natural unison richness to vocals and instruments.
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