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Dynamic Time Warping (DTW) is a kind of simple and efficient method in speech identification. The human pronounces with variable pitch period at different time. Speech parameter extraction with fixed-length window will cause error discrimination to some extent because of different signal period in windows. Sliding windows with variable length is to select sliding windows with different length according...
Speaker transformation is that the speech of A is transformed to one of the B but the content of speech is not changeable. The pitch period is changeable during the pronunciation. The matching of feature parameters of two kinds of speech of speaker transformation applies moving window to extract the parameters of speech. Owing to the difference of period of speech signal, the matching error occurs...
Co-articulation is the phenomenon of co-occurrence of two or more than two phonemes features affected by front and behind phonemes during articulation. In the current waveform concatenation synthesis methods in Chinese speech synthesis, the effect of behind syllable on the front syllable is not considered, which results in co-articulation inefficient synthesis in the joint of syllables. The co-articulation...
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