Document Detail

Cepstral peak prominence: a more reliable measure of dysphonia.
MedLine Citation:
PMID:  12731627     Owner:  NLM     Status:  MEDLINE    
Quantification of perceptual voice characteristics allows the assessment of voice changes. Acoustic measures of jitter, shimmer, and noise-to-harmonic ratio (NHR) are often unreliable. Measures of cepstral peak prominence (CPP) may be more reliable predictors of dysphonia. Trained listeners analyzed voice samples from 281 patients. The NHR, amplitude perturbation quotient, smoothed pitch perturbation quotient, percent jitter, and CPP were obtained from sustained vowel phonation, and the CPP was obtained from running speech. For the first time, normal and abnormal values of CPP were defined, and they were compared with other acoustic measures used to predict dysphonia. The CPP for running speech is a good predictor and a more reliable measure of dysphonia than are acoustic measures of jitter, shimmer, and NHR.
Yolanda D Heman-Ackah; Reinhardt J Heuer; Deirdre D Michael; Rosemary Ostrowski; Michelle Horman; Margaret M Baroody; James Hillenbrand; Robert T Sataloff
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Publication Detail:
Type:  Journal Article; Validation Studies    
Journal Detail:
Title:  The Annals of otology, rhinology, and laryngology     Volume:  112     ISSN:  0003-4894     ISO Abbreviation:  Ann. Otol. Rhinol. Laryngol.     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-05-06     Completed Date:  2003-06-03     Revised Date:  2006-05-15    
Medline Journal Info:
Nlm Unique ID:  0407300     Medline TA:  Ann Otol Rhinol Laryngol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  324-33     Citation Subset:  AIM; IM    
The Voice Center, Department of Otolaryngology-Head and Neck Surgery, University of Illinois at Chicago, Chicago, Illinois 60612, USA.
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MeSH Terms
Aged, 80 and over
Middle Aged
Observer Variation
ROC Curve
Reference Values
Sensitivity and Specificity
Severity of Illness Index
Speech Acoustics*
Time Factors
Voice Disorders / diagnosis*,  epidemiology
Voice Quality

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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