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Analysis of the sound of the Japanese voice using real-time spectral analysis

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Abstract

Voice signal processing requires real-time processing. For this reason, a new method which updates the spectrum by using input data is proposed. In this method, analysis in the time-frequency domain is executed as well as wavelet transform. Vowels /i/ and /e/ consist of fundamental, harmonic, and high frequency waves. These high frequency waves determine the sounds of /i/ and /e/. These high frequency waves may also exist in /a/ and /o/. In this article, we analyze these high frequency waves by using a new analyzing method, and we show the constitution of high frequency waves. Since the waveform of a consonant does not repeat, the analysis cannot be performed like the analysis of the high frequency wave of a vowel. In a consonant, we show the fluctuation of the spectrum with time.

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References

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Authors and Affiliations

  1. Computer and Systems Sciences, Department of Engineering, Osaka Prefecture University, Sakai, Osaka, 599-8531, Japan

    Hideto Nakatsuji

  2. Computer and Systems Sciences, Graduate School of Engineering, Osaka Prefecture University, Osaka, Japan

    Sigeru Omatu

Authors
  1. Hideto Nakatsuji
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  2. Sigeru Omatu
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Corresponding author

Correspondence to Hideto Nakatsuji.

Additional information

This work was presented in part at the 15th International Symposium on Artificial Life and Robotics, Oita, Japan, February 4–6, 2010

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Nakatsuji, H., Omatu, S. Analysis of the sound of the Japanese voice using real-time spectral analysis. Artif Life Robotics 15, 67–71 (2010). https://doi.org/10.1007/s10015-010-0766-y

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  • DOI: https://doi.org/10.1007/s10015-010-0766-y

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