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Phase Vocoder

相位声码器/Xiang4 Wei4 Sheng1 Ma3 Qi4

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EARS: True
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EARS2 Encyclopedia: False

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EARS: Machine Translation / MySQL (beta) at CHEARSdotinfo.co.uk

Phase vocoding is a complex signal-processing technique which includes elements of LPC (Linear Predictive Coding). It uses continuous and overlapping Fourier transforms of a sound for several related objectives, ranging from resynthesis, and timbral interpolation from one sound to another, to 'time-stretching' (altering the speed of a sampled sound without affecting the pitch) and 'pitch shifting' (transposition of a sound without altering the speed). The phase vocoder is so called to distinguish it from the more familiar 'channel' vocoder. (Source - Richard Dobson (1992). A Dictionary of Electronic and Computer Music Technology. Oxford University Press.)

EARS 2: MT / MySQL (beta) at CHEARSdotinfo.co.uk

参看其它/See Also

FFT (Fast Fourier Transform)/(快速傅里叶变换);
Linear Predictive Coding/(线性预定编码);
Time-stretching/(时间缩放);

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