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Speech processing based on time series of maximum values of cross-power spectrum phase between two consecutive speech frames
Speech processing based on time series of maximum values of cross-power spectrum phase between two consecutive speech frames
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机译:基于两个连续语音帧之间互功率谱相位最大值的时间序列的语音处理
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摘要
A speech signal processing system which outputs a speech feature, divides an input speech signal into frames so that each pair of consecutive frames have a frame shift length equal to at least one period of the speech signal and have an overlap equal to at least a predetermined length, applies discrete Fourier transform to each of the frames, calculates a CSP coefficient for the pair, searches a predetermined search range in which a speech wave lags a period equal to at least one period to obtain the maximum value of the CSP coefficient for the pair, and generates time-series data of the maximum CSP coefficient values arranged in the order in which the frames appear. A method and a computer readable article of manufacture for the implementing the same are also provided.
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