The Influences of Noise and Sample Rate on The Analysis of Voice Parameters

Autor: Yeh, Hsuan-Chen, 葉宣辰
Rok vydání: 2014
Druh dokumentu: 學位論文 ; thesis
Popis: 103
In the past research, we have built a home-based voice quality analysis system, which can analyze the qualities of voice signals in our living rooms. In this research, we conduct a series experiments on the influences of noise and sample-rate on the accuracy of voice assessment by using our voice-assessing system. The main goals of this research are to discover the influences of noise and sample rate on the analysis of voice parameters and to figure out the feasible operating conditions for the system. In order to have objective test results, we also compare and explore the results obtained by using two other famous voice quality assessing systems. Beside performing the experiments, we also present two visualization methods for displaying the test results so that users can better understand the influences of noise and sample-rate on the accuracy of voice quality analysis. After figuring out the influences of both factors, we draw basic rules for operating the voice quality analysis systems. Users can check the noise-level of the environment and the sample rate of the recording program before carrying out the acoustic diagnosis. Therefore the voice assessment can be more reliable.
Databáze: Networked Digital Library of Theses & Dissertations