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    • 41. 发明申请
    • Speech speed converting device and speech speed converting method
    • 语音速度转换装置和语音速度转换方法
    • US20060293883A1
    • 2006-12-28
    • US11233192
    • 2005-09-22
    • Kaori EndoYasuji OtaTaro Togawa
    • Kaori EndoYasuji OtaTaro Togawa
    • G10L19/04
    • G10L21/04
    • The invention relates to speech speed conversion, and provides a speech speed converting device and a speech speed converting method for changing a speed of voice without degrading the voice quality, without changing characteristics, regarding a signal containing voice. The speech speed converting device includes: a voice classifying unit that is input with voice waveform data and a voice code based on a linear prediction, and that classifies the input signal based on the characteristic of the input signal; and a speed adjusting unit that selects either one of or both a speed conversion processing using the voice waveform and a speed conversion processing using the voice code, based on the classification, and that changes a speech speed of the input signal using the selected speed converting method.
    • 本发明涉及语音速度转换,并且提供了一种语音速度转换装置和语音速度转换方法,用于改变语音速度而不降低语音质量,而不改变包含语音的信号的特性。 语音速度转换装置包括:语音分类单元,其输入有语音波形数据和基于线性预测的语音代码,并且基于输入信号的特性对输入信号进行分类; 以及速度调节单元,其基于所述分类,使用所述语音波形和使用所述语音代码的速度转换处理来选择速度转换处理中的任一个或两者,并且使用所选择的速度转换来改变所述输入信号的语速 方法。