Experimental Investigation on Acoustic Parameters in Speech Analysis for Patients Diagnosed with Laryngeal Disorders
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Abstract
This paper is concerned with an experimental investigation of acoustical parameters in speech analysis for hospitalized patients diagnosed with laryngeal malignant tumors. A software-based voice evaluation was performed by audio-recording a group of 22 patients, determining also the main characteristics of a human voice (F0, Jitter, Shimmer, and HNR). It was proved that the determination of the essential characteristics of the human voice by using vocal analysis facilities can be an effective non-invasive technique of great utility in identifying pathologies that may affect the phonatory system and the process of speech.
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