Stack #69444
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| adduct | vocal cords closed
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| abduct | vocal cords pulled apart
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| lateral cricoarytenoid | one vocal cord adductor
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| posterior cricoarytenoid | only vocal fold abductor
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| interarytenoid | second vocal cord adductor
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| vocalis | tenses folds
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| thyroarytenoid muscularis | shortens and relaxes folds
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| bernoulli's | blows open folds
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| boyles | closes folds
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| vertical phase difference | process of opening and closing folds (time difference)
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| vocal intensity | controlled by reulating subglottal pressure
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| to vibrate vocal folds | pressure must be higher below the vocal folds than above
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| transglottal pressue | differencs between the subglottal pressure and the suprglottal pressure
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| driving pressure forcing air to flow through the glottis | transglottal pressure
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| phonation threshold | minimum pressure needed to set the vocal folds into vibration
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| timbre | quality
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| formants | harmonics of the vocal tract
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| 40 | harmonics in the human voice
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| frequency perturbation | jitter
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| jitter | cycle variability in frequency of vocal fold vibration
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| amplitude perturbation | shimmer
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| shimmer | cycle to cycle variabbility in amplitude of the vocal fold vibration. measured in dB
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| pulse | vocal fry, glottal fry
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| modal | most commonly used during conversational speech
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| falsetto | head voice, ligament tense while the cover of the folds is lax
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| spasmonic dysphonia | folds are in spasm, sound no sound very choppy
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| cricothyroid | regulates pitch, elongates and tenses vocal folds
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| throarytenoid | body of vocal folds, muscularis relax, vocalis tenses
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| extrinsic muscles | infrahyoid and suprahyoid
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| intrinsic muscles | lateral cricoarytenoid, interarytenoid, posterior cricoarytenoid, cricothyroid, thyoarytenoid
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| strap muscles, anchors larynx in position | extrinsic muscles
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| abduct, adduct, tense and relax | intrinstic muscles
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Created by:
dbrinker