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The varying air pressure of sound waves imparts mechanical vibrations to the diaphragm which can then be converted to some other type of signal; examples of this type of diaphragm are found in microphones and the human eardrum. Conversely a diaphragm vibrated by a source of energy beats against the air, creating sound waves.
The most common device is a handheld, battery-operated device pressed against the skin under the mandible which produces vibrations to allow speech; [1] other variations include a device similar to the "talk box" electronic music device, which delivers the basis of the speech sound via a tube placed in the mouth. [2]
In other words, the voice's resultant glottal wave is filtered by the vocal tract: a phenomenon of sympathetic resonance. [7] The vocal resonator is not a sounding board comparable with stringed instruments. Rather, it's a column of air traveling through the vocal tract, with a shape that is not only complex, but highly variable. Vennard says:
Phonations that are more open than modal voice, such as breathy voice, are not conducive to glottalic sounds because in these the glottis is held relatively open, allowing air to readily flow through and preventing a significant pressure difference from building up behind the articulator.
The production of speech is a highly complex motor task that involves approximately 100 orofacial, laryngeal, pharyngeal, and respiratory muscles. [2] [3] Precise and expeditious timing of these muscles is essential for the production of temporally complex speech sounds, which are characterized by transitions as short as 10 ms between frequency bands [4] and an average speaking rate of ...
Javanese does not have modal voice in its stops, but contrasts two other points along the phonation scale, with more moderate departures from modal voice, called slack voice and stiff voice. The "muddy" consonants in Shanghainese are slack voice; they contrast with tenuis and aspirated consonants.
I think America is definitely going to fall in love with Gabrielle.” Knockouts Round 2: Team Reba’s Frankie Torres vs Katie O vs Kendall Eugene Katie O: “Turn on the Radio” by Reba McEntire
Whispering is an unvoiced mode of phonation in which the vocal cords are abducted so that they do not vibrate; air passes between the arytenoid cartilages to create audible turbulence during speech. [1] Supralaryngeal articulation remains the same as in normal speech. In normal speech, the vocal cords alternate between states of voice and ...