A Method for Measuring the Pitch Frequency of Speech Signals for the Systems of Acoustic Speech Analysis

We developed a new method for measuring the pitch frequency of speech signals with elevated noise immunity. The problem of protection against intense background noise is solved in this method by the frequency selection of vocalized segments of speech signals according to a scheme with comb filter of interperiodic accumulation. The efficiency of the method is analyzed both theoretically and experimentally with the help of a multichannel frequency meter intended for the acoustic speech analysis. It is shown that, for a signal-to-noise ratio of 10 dB and higher, the error of the method does not exceed 2%.

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The present work was supported by the National Research University Higher School of Economics – Nizhnii Novgorod (Laboratory of Algorithms and Technologies of Analysis of the Network Structures).

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Correspondence to A. V. Savchenko.

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Translated from Izmeritel’naya Tekhnika, No. 3, pp. 59–63, March, 2019.

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Savchenko, A.V., Savchenko, V.V. A Method for Measuring the Pitch Frequency of Speech Signals for the Systems of Acoustic Speech Analysis. Meas Tech 62, 282–288 (2019). https://doi.org/10.1007/s11018-019-01617-x

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Keywords

  • acoustic measurements
  • speech acoustics
  • speech signal
  • pitch
  • acoustic speech analysis
  • acoustic noise
  • noise immunity