Environmental Noise-Reference-Cited by-同舟云学术

Environmental Noise

Published:1998-02 Issue:1 Volume:7 Page:91-96
ISSN:1058-0360
Container-title:American Journal of Speech-Language Pathology
language:en
Short-container-title:Am J Speech Lang Pathol

Author:

Ingrisano Dennis R-S¹,Perry Cecyle K.²,Jepson Kairsten R.³

Affiliation:

1. University of Northern Colorado, Greeley

2. University of Wyoming, Laramie

3. American Therapy Services, Casper, WY

Abstract

The effects of environmental noise were estimated from automatic computer-assisted analyses of voice samples. Signals consisted of a live voice sample and a synthesized triangular waveform. Noise was generated from a personal computer fan. Six different A-weighted signal-to-noise [S/N(A)] conditions were created for the live voice and synthetic signal— 25, 20, 15, 10, 5, and 0 dB. Results revealed that automatic estimates were systematically affected by different S/N levels. As the noise floor increased, baseline estimates of jitter and shimmer also increased in value. Results are discussed with reference to safeguards and standards in voice recording and analysis.

Publisher

American Speech Language Hearing Association

Subject

Speech and Hearing,Linguistics and Language,Developmental and Educational Psychology,Otorhinolaryngology

Link

http://pubs.asha.org/doi/pdf/10.1044/1058-0360.0701.91

Reference20 articles.

1. Comparison of Voice Analysis Systems for Perturbation Measurement

2. Speech intelligibility studies in classrooms;Bradley J.;Journal of the Acoustical Society of America,1986

3. Speech intelligibility studies in classrooms;Bradley J.;Journal of the Acoustical Society of America,1986

4. Tape Recorder Effects on Jitter and Shimmer Extraction

5. A methodological study of perturbation and additive noise in synthetically generated voice signals;Hillenbrand J.;Journal of Speech and Hearing Research,1987

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