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(Color online) Modified version of the graphic created by Allen and Li (2009) displaying the acoustic feature for the plosives. The abscissa is on a log-frequency scale. Energy in the 2–3 [kHz] range will cause the listener to perceive either a higher frequency sound (/t,d/), or a mid frequency sound (/g,k/). Voiced plosives /g,d/ occur less than 20 [ms] before the onset of voicing (VOT<20 [ms]), while voiced /k,t/ have a small VOT duration (≈50 [ms]).
