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Combinatorial Expressive Speech Engine

C.L.E.E.S.E. (Combinatorial Expressive Speech Engine) is a tool designed to generate an infinite number of natural-sounding, expressive variations around an original speech recording. More precisely, C.L.E.E.S.E. creates random fluctuations around the file’s original contour of pitch, loudness, timbre and speed (i.e. roughly defined, its prosody). One of its foreseen applications is the generation of very many random voice stimuli for reverse correlation experiments, or whatever else you fancy, really.

C.L.E.E.S.E. was implemented by Juan José Burred and Emmanuel Ponsot (CREAM Lab, IRCAM, Paris), with generous funding from the European Research Council (CREAM #335536, 2014-2019, PI: JJ Aucouturier)