VF_2005 - Cues to vocal aging in Cues to vocal aging in...

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Unformatted text preview: Cues to vocal aging in Cues to vocal aging in older and middle-aged older and middle-aged male voices male voices James Harnsberger Howard Rothman W.S. Brown, Jr. Rahul Shrivastav Harry Hollien 34th Annual Symposium: Care of the Professional Voice June 5, 2005 2 Introduction Introduction Questions of interest What changes occur in voices with advancing age? How are these changes perceived? What are we doing when we estimate age from a voice? Theoretical relevance Understanding speech disorders in the elderly population General models of aging Representation of speech in long- term memory 3 Introduction Introduction What physiological changes occur with vocal aging? Lengthening of the vocal tract or oral cavity Reduction in pulmonary function Laryngeal cartilage ossification Increased stiffening of vocal folds (particularly in males) Reduced closure of vocal folds (particularly in males): 4 Introduction Introduction Acoustic consequences with advancing age? Mean fundamental frequency (F0) coalescence Higher in older males, Lower in older females 5 Introduction Introduction Vocal Aging: Mean F0 (Brown et al., 1991) 192 175 118 127 50 100 150 200 250 20-35 yrs 65-85 yrs Age Groups Mean F0 (Hz) Females (N = 20) Males (N = 15) 6...
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VF_2005 - Cues to vocal aging in Cues to vocal aging in...

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