the effects of the active hypoxia to the speech signal inharmonicity

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ID: 229588
2014
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Ranked #71 of 100 articles by views in molecular therapy : the journal of the american society of gene therapy

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Abstract
When the people are climbing on the mountain, they are exposed to decreased oxygen concentration in the tissue, which is commonly called the active hypoxia. This paper addressed the problem of an acute hypoxia that affects the speech signal at the altitude up to 2500 m. For the experiment, the speech signal database that contains the articulation of vowels was recorded at different alti¬tudes. This speech signal was processed by the originally developed algorithm, which extracted the fundamental frequency and the inharmonicity coefficient. Then, they were subjected to the analysis in order to derive the effects of the acute hypoxia. The results showed that the hypoxia level can be determined by the change of the inharmonicity coefficient. Accordingly, the degree of hypoxia can be estimated.
Reference Key
milivojevic2014radioengineeringthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Z. N. Milivojevic;D. Brodic;M. Z. Milivojevic
Journal molecular therapy : the journal of the american society of gene therapy
Year 2014
DOI
DOI not found
URL
www.radioeng.cz/fulltexts/2014/14_02_0665_0670.pdf
Keywords
electronics nuclear engineering speech processingelectrical engineering inharmonicity coefficient

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