This particular oscillator is made up of a simple sine wave, which may not sound very interesting, but with this oscillator, the adjustable frequency band does not move with the oscillator’s pitch, but rather remains stable as a formant of the sound. By moving the frequency band, it is possible to achieve vowel filter-like effects.
- Pitch controls the pitch of the main frequency, with course and fine tuning controls.
- Formant Frequency adjusts the frequency of the oscillator’s formant (which is not changed by the main pitch control).
- Envelope Modulation Amount controls the amount and polarity of any modulation applied to the Formant Frequency by the Modulation Envelope. Left produces inverse modulation (i.e. low formant frequencies at high modulation signals) while right produces normal modulation (i.e. high formant frequencies at high envelope levels).
This may sound confusing, but within the context of Reaktor’s controls, it is easily understood. However, this oscillator is often overlooked in favor of the more complex oscillators, yet it is capable of producing a quite haunting sound, particularly when the reverb effect is added.