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Telling Harmonics from Resonances on a Spectrum

The measurement-side statement of the path's first terminal understanding. Harmonics are the evenly spaced picket fence set by the folds; resonances are the broad humps set by the tube. Confusing the two is the most common error in reading voice spectra and produces formant values that are really harmonics.

Questions this Concept answers

Why do the broad humps in a voice spectrum shift when the tongue moves while the spacing of the lines does not?

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Vowel Formants and the Vowel Chart in Acoustic Phonetics

In acoustic phonetics, vowel formants are the resonant frequency peaks of the vocal tract filter (as distinct from the individual harmonics generated by the glottal source), and each vowel is charact…