DecimuLabs Flank
Flank is a vocal widener: it opens up a voice without moving its center. It makes two copies, one slightly lower and one slightly higher in pitch, with a short delay, and pushes them subtly to the sides. The voice stays in the middle and the copies flank it.
Adds a short ambience and a time offset between the sides (Haas) for extra space, fixed or drifting detune, copy spread and filters, plus a goniometer and a mono check to make sure the voice does not collapse when summed to mono. Tooltips in English or Spanish.
Inspired by wideners and doublers such as MicroShift, MicroPitch, Doubler and VoxDoubler. Own implementation. Open source (GPLv3). Early test build: feedback welcome.
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