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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/1152

Title: モーメントを用いた連続音声のピッチ周波数分布に関する研究
Other Titles: モーメント オ モチイタ レンゾク オンセイ ノ ピッチ シュウハスウ ブンプ ニカンスル ケンキュウ
Symmetric Analysis by Mathematical Moment Function applied to the Pitch Frequency Distribution of Continuous Speech
Authors: 壷井, 晃徳
菱田, 隆彰
鈴木, 晋
井, 研治
TSUBOI, Akinori
HISHIDA, Takaaki
SUZUKI, Susumu
Issue Date: 31-Mar-2001
Publisher: 愛知工業大学
Abstract: In the speech signal, not only linguistic information but other various information is included. This paper describes about the shape of the pitch distribution using cepstral technique to extract these additional information. The symmetricity of the pitch frequency distribution is evaluated by using a moment (the mean, the variance, the skewness, and the kurtsis). Generally a pitch frequency distribution of a continuous speech has long tail to higher frequency. To improve the symmetricity, the logarithm transform is applied to the calculated data. Investigations were made on how the conversational speed, the voice power, and the speech intelligibility effects on the distribution shape.
URI: http://hdl.handle.net/11133/1152
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