An acoustic-perceptual study of vocal tremor.

Author: AnandSupraja, ChhedaNeil N, ShrivastavRahul, WingateJudith M

Paper Details 
Original Abstract of the Article :
BACKGROUND: Essential tremor of the voice (ETV) is an involuntary intention tremor of the vocal folds that causes fluctuations in fundamental frequency (f(0)) and/or intensity leading to an unsteady voice. There is limited data on how different acoustic variables affect perception of severity of tre...See full text at original site
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引用元:
https://doi.org/10.1016/j.jvoice.2012.02.007

データ提供:米国国立医学図書館(NLM)

Unraveling the Mystery of Vocal Tremor

Imagine a camel's voice, usually a deep and resonant rumble, suddenly becoming shaky and unsteady. This study seeks to understand how the tremors in the voice, known as essential tremor of the voice (ETV), manifest themselves acoustically and how they impact the perception of the severity of the tremor. To achieve this, researchers used a high-fidelity speech vocoder, a tool that can synthesize the sound of speech, to analyze various acoustic parameters, including fundamental frequency, modulation frequency, and modulation depth. The findings help shed light on the acoustic characteristics of vocal tremors and their impact on how we perceive the severity of the tremor.

The Acoustic Fingerprint of Vocal Tremor

This study revealed that the perception of vocal tremor severity is influenced by a complex interplay of acoustic cues. Notably, the study found that the modulation frequency and modulation depth are key acoustic parameters that influence the perceived severity of vocal tremors. This means that the faster and deeper the fluctuations in the voice, the more severe the tremor is perceived to be. This is an important finding for clinicians who are evaluating and treating patients with ETV.

Vocal Tremor: A Complex but Understandable Condition

Understanding the acoustic characteristics of vocal tremor helps us better understand the challenges faced by individuals with this condition. It's like trying to navigate a shifting desert landscape, where the sand dunes of sound are constantly changing. By better understanding these acoustic cues, we can provide more targeted and effective treatment options.

Dr.Camel's Conclusion

This study is an important step towards unraveling the complex acoustic nature of vocal tremors. It's like discovering a new oasis in the desert of voice disorders, offering new insights into the mechanisms underlying this condition and paving the way for better treatment strategies.

Date :
  1. Date Completed 2013-05-13
  2. Date Revised 2012-11-26
Further Info :

Pubmed ID

22921293

DOI: Digital Object Identifier

10.1016/j.jvoice.2012.02.007

Related Literature

SNS
PICO Info
in preparation
Languages

English

Positive IndicatorAn AI analysis index that serves as a benchmark for how positive the results of the study are. Note that it is a benchmark and requires careful interpretation and consideration of different perspectives.

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