PMID: 9649077Jul 2, 1998Paper

Variations in adductor spasmodic dysphonia: acoustic evidence

Journal of Voice : Official Journal of the Voice Foundation
C M SapienzaW S Brown

Abstract

Acoustic analysis was used to gain information about the normal, as well as the abnormal acoustic events associated with adductor spasmodic dysphonia (ADSD). This analysis was completed to determine whether specific acoustic events could be used to differentiate the voice of individuals with ADSD from those with normal voice. A group comparison between 14 women diagnosed with ADSD and 14 women (age-matched) with no evidence of vocal pathology or vocal dysfunction was completed. Phonatory breaks, aperiodicity, and frequency shifts, acoustic parameters previously identified in ADSD, were found throughout sustained vowel productions. The duration of the phonatory breaks and aperiodic segments was calculated and the amount of frequency shift was determined. The location of each acoustic event was marked relative to the onset of the vowel production. The subjects with ADSD presented with normal phonation and various amounts of each of the three acoustic parameters. Aperiodic segments primarily characterized the phonation of ADSD, followed by frequency shifts and phonatory breaks. The location of each of these acoustic events was within the midportion of the vowel production. The advantages of segmenting the acoustic waveform into th...Continue Reading

References

Apr 1, 1978·Journal of Neurology, Neurosurgery, and Psychiatry·M J AminoffK Izdebski
Mar 1, 1988·The Annals of Otology, Rhinology, and Laryngology·P J DavisG A Harrison

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Citations

Dec 4, 2003·Journal of Fluency Disorders·Christy L Ludlow, Torrey Loucks
Dec 29, 2000·Journal of Voice : Official Journal of the Voice Foundation·C M SapienzaT Murry
Sep 29, 2001·Journal of Voice : Official Journal of the Voice Foundation·J D EdgarC L Ludlow
May 7, 2015·Journal of Voice : Official Journal of the Voice Foundation·Saori YanagidaSatoshi Fukuda
Mar 5, 2011·The Annals of Otology, Rhinology, and Laryngology·Rita R PatelDiane M Bless
Oct 25, 2008·Arquivos de neuro-psiquiatria·Claudia Regina Furquim de AndradeLucia Iracema Zanotto de Mendonça
Feb 20, 1999·Journal of Speech, Language, and Hearing Research : JSLHR·C M SapienzaT Murry
Aug 28, 2001·Journal of Speech, Language, and Hearing Research : JSLHR·A M Cimino-Knight, C M Sapienza
Oct 17, 2002·Journal of Speech, Language, and Hearing Research : JSLHR·Christine M SapienzaGayle Woodson
Nov 2, 2006·Journal of Speech, Language, and Hearing Research : JSLHR·S Omar AliAllen R Braun
Jun 23, 2018·JAMA Otolaryngology-- Head & Neck Surgery·Christy L LudlowGlenn Stebbins
Aug 13, 2021·International Journal of Language & Communication Disorders·Marie-Charlotte CuarteroSerge Pinto
Feb 5, 2011·Journal of Voice : Official Journal of the Voice Foundation·Erin P SilvermanChristine M Sapienza

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