Vocalizer

ZynAddSubFX free software-synthesizer by paulnasca 2

Vocalizer is a free harmonizer VST plugin developed by AQUEST. Compatible OS(s): Windows.

Vocalizer is a vowel effect which enables you to convert any sound into a human-voice-like sound.

Vocalizer is similar to a “formant filter” but it has its own original speech processing algorithm which enables it to apply human voice characteristics to any input sounds. Vocalizer can be used not only for lead sounds but also for various sound sources.

Features:

  • Strongly apply human voice characteristics.
  • Intuitive GUI control with XY-pad (Strength of effect, Vowels can be controlled with X-Y pad only).
  • Both Male and Female voice patterns are available.

http://www.a-quest.com/

Pitchproof

Pitchproof free harmonizer by Aegean Music

Pitchproof is a free harmonizer VST, Audio Unit plugin developed by Aegean Music. Compatible OS(s): Windows 64b, macOS.

Pitchproof is an audio plug-in that can shift the pitch of the input. The effect is meant to combine old styles of pitch shifting with the quality you expect from modern plug-ins. The result is this pitch “pedal” simulation that has most of what is great about guitar harmonizer pedals, and still preserves the signal’s integrity.

The Blend control will let you use a fully shifted output, or the dry and wet signals mixed (a harmony). The Pitch menu lets you select pitches like +7 or -7, or harmonies which are intelligent pitch shift effects. These harmonizer effects are intended to be played in a certain major or minor scale. So selecting C (major that is) scale for Key, which doubles as Am (A minor), means you should play only the notes A, B, C, D, E, F, and G for the most harmonized results. Key is not important for non-harmony settings. Detune is good for getting a more natural effect, only a little is needed (a little up or down from the center position).

On the bottom there are some other options. You can choose mono, for lower CPU usage, or stereo for stereo inputs. Transient Fix can be on or off, on is recommended but if you have strange glitches you may try turning it off. If you have a strong attack to your input it will clearly preserve that better, but if you have a fade in to notes, like a pad it won’t have a noticeable effect.

And it’s got a guitar tuner! That’s right, since it detects pitch anyway we decided to display it as a tuner and it can be made stationary in the bottom right if it is an eyesore.

http://aegeanmusic.com

Duet

Duet free harmonizer by Martin Eastwood Audio

Duet is a free harmonizer VST plugin developed by Martin Eastwood Audio. Compatible OS(s): Windows.

Duet is a double-tracking/harmonizer effect developed to enhance vocals and instruments by thickening the sound and adding a rich glossy sheen to the audio material.

Duet works by independently pitch-shifting the left and right inputs allowing pitch to be manipulated in real-time, while still maintaining the time duration of the audio. By also delaying the re-pitched audio and altering its pan position, Duet can accurately create the illusion of multiple voices and add a luscious texture to your music.

Duet can also be used to create a silky chorus effect through modulation of the pitch-shift amount and to add movement and texture to synths.

Duet is available exclusively on Computer Music Magazine’s cover DVD each month.

http://rekkerd.org/martin-eastwood-audio-free-plugins/

Brandulator

Brandulator free harmonizer | vocoder by Stone Voices

Brandulator is a free harmonizer and vocoder VST plugin developed by Stone Voices. Compatible OS(s): Windows.

VST-plugin «Brandulator» creates special audio-effect with a peculiar sounding which is similar to a flanger, a vocoder and a harmonizer, but has other principle of operation in case of which the input signal branches on three channels of processing by the set-up comb filters, the tonality of their setup can will change to 16 times for a clock period (Bar). The effect also performs functions of the peculiar arpeggiator functioning synchronously with DAW therefore the detail design shall have the corresponding musical size though it isn’t mandatory. Tonalities of settings of each channel can be set as in manual by means of governing bodies, and is accidental according to the given harmonic law selected from the list numbering about three hundred different harmonies. Randomization of tonalities can be made both manually, and automatically at the beginning of everyone 1,2,3. 8th clock period. This plug-in is the free software (Freeware).

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http://stone-voices.ru/