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 Syllabium by Reaktion Sound is Soundware (e.g. samples or presets that load into other products).
Product Syllabium
Developer Reaktion Sound
Price (MSRP)
Type / Tags Morphing Formant FiltersFormantReaktion SoundReaktor EnsembleSFXSyllabiumSynth (Formant / Vowel)
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
- Released
Max. 6 items
Latest Version Changes [view all]


SYLLABIUM is basically a Formant Filter – a special kind of filter with fixed frequencies in the spectrum (formants) that simulate the sound of vowels of the human vocal tract.

SYLLABIUM can be applied to external audio sources as an effect or can be used with its internal synth engine.

With SYLLABIUM you can smoothly morph between different vowel sounds and modulate different parameters with different modulation sources:

  • Five vowel sounds (A, E, I, O and U) in each of the four available slots.
  • SCAN control smoothly fades between vowels.
  • Two different vocal timbres (select from Bass, Tenor, Alto and Soprano) to crossfade between.
  • Two different voice modes: "HUMAN" and "ROBOT".
  • AGE and DEPTH controls to shape the sound.
  • Forman Filter can be applied to an external audio or to the internal synth voice.
  • Synth voice's envelope triggered by MIDI gate or gate signal extracted from audio.
  • Different modulation sources (LFO, Envelope Follower, Step-Sequencer, MIDI messages).
  • MATRIX section to managing all the modulation routing.

Apply vocal textures to any audio source or use the built-in synth voice to create modern talking bass lines.

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