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    • 10. 发明公开
    • A robust pitch estimation method and device using the method for telephone speech
    • 用于估计的基频的鲁棒方法,该语言使用的电话设备
    • EP0712116A3
    • 1997-12-10
    • EP95850194.2
    • 1995-11-06
    • Hughes Aircraft Company
    • Swaminathan, KumarVemuganti, Murthy
    • G10L3/00
    • G10L25/90
    • The present invention provides a pitch estimating method and device for accurately estimating the pitch of digitized speech signals, in spite of the presence of contaminants and distortions in telephone speech signals by (1) determining a set of pitch candidates to estimate a pitch of the digitized speech signal at each of a plurality of time instants, wherein series of these time instants define segments of the digitized speech signal; (2) constructing a pitch contour using a pitch candidate selected from each of the sets of pitch candidates determined in the first step; and (3) selecting a representative pitch estimate for the digitized speech signal segment from the set of pitch candidates comprising the pitch contour.
    • 本发明提供了一音调估计方法和设备,用于精确地设定估计数字化的语音信号的基音,尽管污染物和扭曲的电话语音信号存在下,通过(1)确定的挖掘一组候选音调来估计数字化的间距 在每个时刻中的多个语音信号,worin系列合成时刻定义数字化语音信号的段; (2)使用来自各组候选音调在第一步骤中确定的采空中选择的候选音调构建音调轮廓; 和(3)选择用于从所述一组候选音调包括在音调轮廓的数字化语音信号段的代表音调估计。