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Fundamental Frequency Estimation and Analysis of Speech Signal

Mahesh M. Kamble, Tejal S. Bandgar

Abstract


Fundamental frequency is a critical component in speech signal processing analysis. The fundamental frequency (fo) is the rate at which the vocal cords vibrate, and the fundamental frequency range for a person is 120 to 400 Hz. This basic frequency varies depending on the size and form of the vocal cords, and it might differ for males, females, and children. Different domain of time and frequency pitch estimation techniques are utilized. The time domain methods include autocorrelation and AMDF (Average Magnitude Difference Function), whereas the frequency domain algorithm is Cepstrum. The fundamental frequency may be determined by pitch preprocessing and extraction. 


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