| 摘要 |
PROBLEM TO BE SOLVED: To provide a voice analyzing method by which the emphasis of a noise component caused by logarithmic processing can be reduced. SOLUTION: In the voice analyzing method provided with a first step for finding a spectrum from an audio signal, a second step for finding the estimate value of the spectrum in each band by taking a sum by multiplying the weight of the characteristics of a band filter bank to the spectrum found in the first step, a third step for calculating the logarithm of the estimate value of the spectrum in each band and a fourth step for finding a cepstrum coefficient on the basis of the logarithm of the estimate value of the spectrum in each of bands, between the second step and the third step, a step for applying flooring processing to the estimate value of the spectrum in each of bands found in the second step is provided. |
