This speech signal was processed by the originally developed algorithm, which extracted the fundamental frequency and the inharmonicity coefficient.
Z. N. Milivojevic, D. Brodic, M. Z. Milivojevic 2014, 'The Effects of the Active Hypoxia to the Speech Signal Inharmonicity', Radioengineeringwww.radioeng.cz/fulltexts/2014/14_02_0665_0670.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The results showed that the hypoxia level can be determined by the change of the inharmonicity coefficient.
Z. N. Milivojevic, D. Brodic, M. Z. Milivojevic 2014, 'The Effects of the Active Hypoxia to the Speech Signal Inharmonicity', Radioengineeringwww.radioeng.cz/fulltexts/2014/14_02_0665_0670.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)