Pitch epoch synchronous linear predictive coding vocoder and met

Details Pitch epoch synchronous linear predictive coding vocoder and met Pitch epoch synchronous linear predictive coding vocoder and met

1993-05-28

1996-04-02

Moore, David K.

395 215, 395 214, 395 21, 395 228, G01L 302, G01L 900

Patent

active

055048340

ABSTRACT:
A method for pitch epoch synchronous encoding of speech signals. The method includes steps of providing an input speech signal, processing the input speech signal to characterize qualities including linear predictive coding coefficients and voicing, and characterizing excitation corresponding to the input speech signals using frequency domain techniques when input speech signals comprise voiced speech to provide an excitation function. The method also includes steps of characterizing the input speech signals using time domain techniques when the input speech signals comprise unvoiced speech to provide an excitation function and encoding the excitation function to provide a digital output signal representing the input speech signal.

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