Suboptimal Algorithm for Measuring Pitch Frequency Using Discrete Fourier Transform of a Speech Signa

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Abstract

Starting from the definition of the main tone of the speaker’s speech as the minimum frequency of the linear power spectrum of the vocalized segments of the speech signal, an estimation of potentially achievable accuracy of its measurement under the action of background interference such as white Gaussian noise has been made. Based on this estimation, a suboptimal algorithm for measuring the pitch frequency using a short speech frame has been developed. The developed algorithm effectiveness is confirmed by the results of the experiment, during which the author’s software was used.

About the authors

V. V. Savchenko

Editorial Office of the Journal “Radio Engineering and Electronics”

Email: vvsavchenko@yandex.ru
Moscow, 125009 Russia

L. V. Savchenko

International Research University Higher School of Economics

Author for correspondence.
Email: vvsavchenko@yandex.ru
Nizhny Novgorod, 603155 Russia

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Copyright (c) 2023 В.В. Савченко, Л.В. Савченко