The Best Free VST Effects - Vocoder:
Audio production software for mastering, mixing, and music composing:
High Quality VST Vocoder:
Stempel by AZ Audio is a free vocoder VST effect for Windows. The Stempel vocoder operates in the frequency domain making use of Fast Fourier Transformation, applying the classic vocoder sound to the audio signal, but with a much smoother sound and a higher analysis definition than with typical time domain vocoder effects using band pass filters and signal followers. The Stempel plugin comes with a very comprehensive manual and 13 presets.
Versatile Vocoder Effect:
The Vokoder VST plugin by PiF Media is a vocoder effect that accepts the carrier signal from either an external source (a sample or an instrument) or from the build-in synthesizer. Vokoder features Fast Fourier Transformation (FFT) algorithm and two band-pass filters to achieve its sound, and it has a compressor in the output section to keep the signal level under control. Unfortunately the Vokoder plugin doesn't ship with any presets and the manual is in French only...
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