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Voice: phonatory sys

Stack #69444

QuestionAnswer
adduct vocal cords closed
abduct vocal cords pulled apart
lateral cricoarytenoid one vocal cord adductor
posterior cricoarytenoid only vocal fold abductor
interarytenoid second vocal cord adductor
vocalis tenses folds
thyroarytenoid muscularis shortens and relaxes folds
bernoulli's blows open folds
boyles closes folds
vertical phase difference process of opening and closing folds (time difference)
vocal intensity controlled by reulating subglottal pressure
to vibrate vocal folds pressure must be higher below the vocal folds than above
transglottal pressue differencs between the subglottal pressure and the suprglottal pressure
driving pressure forcing air to flow through the glottis transglottal pressure
phonation threshold minimum pressure needed to set the vocal folds into vibration
timbre quality
formants harmonics of the vocal tract
40 harmonics in the human voice
frequency perturbation jitter
jitter cycle variability in frequency of vocal fold vibration
amplitude perturbation shimmer
shimmer cycle to cycle variabbility in amplitude of the vocal fold vibration. measured in dB
pulse vocal fry, glottal fry
modal most commonly used during conversational speech
falsetto head voice, ligament tense while the cover of the folds is lax
spasmonic dysphonia folds are in spasm, sound no sound very choppy
cricothyroid regulates pitch, elongates and tenses vocal folds
throarytenoid body of vocal folds, muscularis relax, vocalis tenses
extrinsic muscles infrahyoid and suprahyoid
intrinsic muscles lateral cricoarytenoid, interarytenoid, posterior cricoarytenoid, cricothyroid, thyoarytenoid
strap muscles, anchors larynx in position extrinsic muscles
abduct, adduct, tense and relax intrinstic muscles
Created by: dbrinker
 

 



Voices

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