Frequency Variability in the Aged Voice

Benjamin, Barbaranne J.

doi:10.1093/geronj/36.6.722

Cited by 91 publications

(62 citation statements)

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“…This finding is consistent with the results found in previous studies [19,20,21,45,46,47]. In those prior studies, there was inconsistency with respect to whether the extent of age-related differences in F0 was slight for men and significant for women [20,43,48,49], or slight for women and significant for men [8,9,43,45]. In the present study, the age-related differences were significant for both men and women, with greater change (upward) for men.…”

Section: Discussionsupporting

confidence: 92%

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The Effects of Aging on Acoustic Parameters of Voice

Dehqan

Scherer²,

Dashti³

et al. 2012

Folia Phoniatr Logop

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Background/Aims: There are no studies of the phonatory parameters of elderly Iranian speakers. The purpose of this study was to obtain normative acoustic data for a group of elderly Iranian male and female speakers over 70 years of age. Four selected acoustic parameters [fundamental frequency (F0), jitter, shimmer, and harmonics-to-noise ratio] were obtained and compared to a group of young and middle-aged speakers. Methods: Subjects were 21 Iranian elderly men and 20 Iranian elderly women. The age range for both male (mean ± SD: 77.09 ± 5.84) and female subjects (77.55 ± 4.34) was 70–90 years. The control group consisted of 40 Iranian young and middle-aged adults who were 20–49 years old (20 men and 20 women). The age range for the females was 23–40 years (30 ± 4.76) and for the males it was 21–49 years (30.1 ± 8.51). Each subject phonated 5/a/vowels with constant pitch and loudness for at least 5 s. The mid 3-second portion of the tokens was analyzed using the Dr. Speech 4.3u software (subprogram: Vocal Assessment; Dr. Speech, Tiger Electronics, Seattle, Wash., USA). Results: F0 was greater for elderly males than for young and middle-aged males. Conversely, F0 was greater for young and middle-aged females than for elderly females. Average shimmer was significantly higher in elderly males than in elderly females. Likewise, jitter was significantly higher in elderly males than in elderly females. Both shimmer and jitter were significantly greater in elderly speakers than in the young and middle-aged speakers. In addition, the harmonics-to-noise ratio was significantly greater for young and middle-aged males and females than for elderly males and females. Conclusions: The results of this study indicate that elderly Iranian speakers had significantly greater vocal instability than young and middle-aged Iranian adults, as measured by the selected acoustic parameters. As the elderly population in Iran and the world continues to increase rapidly, studies of this kind are needed for researchers, educators, and practitioners to better understand the effects of aging on all aspects of human speech-language communication. Voice is an important factor for communication, and its change with age alters the communication process.

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Section: Discussionsupporting

confidence: 92%

“…F0 was significantly higher for the elderly Iranian male speakers compared to younger male speakers, consistent with several previous studies [9,18,19,42,43,44,45,46,47]. The Iranian elderly female speakers had significantly lower F0 than the young and middle-aged female speakers.…”

Section: Discussionsupporting

confidence: 90%

The Effects of Aging on Acoustic Parameters of Voice

Dehqan

Scherer²,

Dashti³

et al. 2012

Folia Phoniatr Logop

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“…Changes in perceived pitch have also been reported (high pitch for men and low pitch for women) [19, 29]. These findings have been supported by objective data indicating that fundamental frequency usually decreases with age in women [14, 29, 34-36] and increase in men [14, 37, 38].…”

Section: Introductionmentioning

confidence: 62%

“…Anatomical and physiological modifications in glottal source commonly result in perceptual alterations such as breathiness, weak voice, poor vocal projection, strain, instability, and hoarseness [18, 19, 29-33]. Changes in perceived pitch have also been reported (high pitch for men and low pitch for women) [19, 29].…”

Section: Introductionmentioning

confidence: 99%

Aerodynamic, Electroglottographic, and Acoustic Outcomes after Tube Phonation in Water in Elderly Subjects

Guzmán

Saldívar

Pérez

et al. 2018

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Objective: The present study aimed at observing the influence of tube phonation into water on objective voice characteristics in elderly subjects. Methods: Thirty elderly subjects with presbyphonia were randomly assigned to one of two voice exercise groups: (1) voice exercises with water resistance therapy at 4 and 8 cm of water depth (experimental group), and (2) voice exercises with vowel [a:]. Aerodynamic, electroglottographic, and acoustic voice assessments were conducted before and after exercises. Results: The experimental group showed a significant increase in contact quotient, subglottic pressure (P_sub), glottal resistance, and sound pressure level (SPL) when comparing the pre-post 8 cm and the post 4 cm-post 8 cm conditions. No significant differences were found for the control group. Moreover, significant differences for all variables (except for glottal airflow) when comparing condition post (for the control group) and condition post 8 cm (for the experimental group) were found. Conclusion: Tube phonation into water might improve vocal function in the geriatric population. This semioccluded vocal tract exercise seems to promote an increase in P_sub and vocal fold adduction immediately after exercise. This in turn might cause an increase in SPL. The effect should become manifest when a deep level of submersion (e.g., 8 cm water) is used. Shallower submersion produced negligible or no effects.

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“…Older people have lower fundamental frequency as compared to adults when experiment has been conducted between twenty older and twenty younger adults by the author [15]. The fundamental frequency continues to decrease with age for both genders [16] [17].…”

Section: A Fundamental Frequency (F0)mentioning

confidence: 99%

Emotion Analysis from Speech of Different Age Groups

Palo¹,

Mohanty²,

Chandra³

2017

Proceedings of the Second International Conference on Research in Intelligent and Computing in Engineering

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Abstract-This Recognition of speech emotion based on suitable features provides age information that helps the society in different ways. As the length and shape of human vocal tract and vocal folds vary with age of the speaker, the area remains a challenge. Emotion recognition system based on speaker's age will help criminal investigators, psychologists and law enforcement agencies in dealing with different segments of the society. Particularly child psychologists, counselors can take timely preventive measures based on such recognition system. The area remains further complex since the recognition system trained for adult users performs poorer when it involves children. This has motivated the authors to move in this direction. A novel effort is made in this work to determine the age of speaker based on emotional speech prosody and clustering them using fuzzy c-means algorithm. The results are promising and we are able to demarcate the emotional utterances based on age.

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Frequency Variability in the Aged Voice

Cited by 91 publications

References 0 publications

The Effects of Aging on Acoustic Parameters of Voice

The Effects of Aging on Acoustic Parameters of Voice

Aerodynamic, Electroglottographic, and Acoustic Outcomes after Tube Phonation in Water in Elderly Subjects

Emotion Analysis from Speech of Different Age Groups

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