![]() A person with a shorter tube length is predicted to have higher, more closely spaced formants than a person with a longer tube. (Adding a constriction for vs, for example, gives you the complex F1,F2 pattern that we pay attention to: for the moment, just assume an open tube). Formants shift up or down as the tube is shortened or lengthened. ![]() ![]() The traditional account is that formants frequencies are based on tube length, with resonances being at those frequencies corresponding to 4L, 4/3L, 4/5L, 4/7L. Is that a plausible interpretation, and is there a better one? In other words, both F2 and F3 are within the F2 range derived from the female plots, F4 is within the F3 range, and F5 is within the F4 range. In other words, if I assume that the female speakers have managed to align F2 and F3 perfectly, so that their plots are really showing F1, F2&3, F4, F5, all of the male formants match the pattern established from the female plots. If I take the native speaker plots at face value, the male F3 seems far far too low - but if either F3 or F2 is just ignored, the plot does look like the female plots. When I try to approximate the vowel myself, my own (male) plot also shows five formants. ![]() Image files of the male plot and a typical female plot are attached. The male plot shows five formants, but F2 and F3 are quite close together (1580Hz and 1820Hz). I have several exponents from native speakers, though only one of them is male. I have been looking at a Thai vowel in Praat. ![]()
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