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Phonetic Harmonics

Harmonics, Formants, of Vowels, Diphthongs, Nasals

QuestionAnswer
When the oral cavity is longer, what is the effect on Lower Harmonics? Lower Harmonics become louder (when...)
When the oral cavity is shorter, what is the effect on Higher Harmonics? Higher harmonics become louder (when..)
Where is F1 ? Where is F2? (which formant is) the throat? (which formant is) the mouth?
F1 correlates with what tongue position and throat cavity length? (Which formant?) higher toung position, the longer the throat cavity, the lower the formant(?)
F2 correlates with what tongue position and throat cavity length? (Which formant?) the more pulled back the toung, and rounder the lips, the longer the mouth cavity, the lower the formant(?)
Why is the F1 for nasals always around 300hz? Because the lenth of the tube between the larynx and the nostrils is pretty long, thus F1 stays low.
What ate the main difference in formant properties between masala and vowels?(3) Long larynx-nostrils keep F1values stable,2) nasal cavity wall have lots of soft surface area,w/nooks and crannies that may absorb sound.3) the soft pallet doesn't close off completely during nasals, thus mouth cavity let's out energy