logue-vosim

fairplayUpdated Mar 10, 202018 on GitHub

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oscillator

logue-vosim is an open-source VOSIM oscillator for the Korg prologue, with builds for the minilogue xd and NTS-1 as well. VOSIM synthesis builds each pitch period from a short train of pulses that decay in amplitude, followed by a gap, giving vowel-like, formant-rich tones suited to speech-like and nasal sounds. Shape sets the delay between pulse trains and shift-shape their attenuation, which can also be pushed negative; menu parameters set the pulse frequency, the number of pulses per period and whether the shape LFO modulates delay or attenuation.

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