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Direct linkLiu, Boquan; Polce, Evan; Sprott, Julien C.; Jiang, Jack J. – Journal of Speech, Language, and Hearing Research, 2018
Purpose: The purpose of this study is to introduce a chaos level test to evaluate linear and nonlinear voice type classification method performances under varying signal chaos conditions without subjective impression. Study Design: Voice signals were constructed with differing degrees of noise to model signal chaos. Within each noise power, 100…
Descriptors: Acoustics, Monte Carlo Methods, Correlation, Test Validity
Titze, Ingo R.; Riede, Tobias; Palaparthi, Anil; Hynan, Linda S.; Hamilton, Amy; Toles, Laura; Mau, Ted – Journal of Speech, Language, and Hearing Research, 2018
Purpose: The purposes of this study are to introduce the concept of vocal priorities based on acoustic correlates, to develop an instrument to determine these vocal priorities, and to analyze the pattern of vocal priorities in patients with voice disorders. Method: Questions probing the importance of 5 vocal attributes (vocal clarity, loudness,…
Descriptors: Patients, Voice Disorders, Acoustics, Therapy
Peer reviewedWinholtz, William S.; Ramig, Lorraine Olson – Journal of Speech and Hearing Research, 1992
This paper describes the Vocal Demodulator as a new device for analysis of vocal tremor. The Vocal Demodulator produces amplitude-demodulated and frequency-demodulated outputs and measures the frequency and level of low-frequency tremor components in sustained phonation. The paper describes quantification of the demodulation process, validation…
Descriptors: Acoustics, Clinical Diagnosis, Equipment Evaluation, Evaluation Methods
