RECOGNITION OF VOWELS IN SPOKEN WORDS USING LOCAL PEAKS IN FFT SPECTRA.

被引：0
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作者：
Koga, Hideaki
Aoki, Tomoyoshi
Ikeda, Naomitsu
Kim, Kyung Tae
Kido, Ken'iti
机构：
来源：
Tohoku Kogyo Daigaku Kiyo, 1: Rikogakuhen | 1986年 / 06期
关键词：
MATHEMATICAL TRANSFORMATIONS - Fast Fourier Transforms;
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摘要：
The recognition experiments of A-weighted vowels in spoken words have been carried out using local peaks by FFT cepstrum analysis. When hanning lifter is used as frequency window for the female speech, the highest recognition rate is obtained at the hanning lifter length of 3 ms. The best effect of A-weight addition is obtained with only one time addition, when hanning lifter length is 6 ms for the male speech and 3 ms for the female speech. The recognition rate by FFT method is improved remarkably as compared with one by BPF method.
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页码：47 / 55
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