Method and apparatus for encoding speech

Details Method and apparatus for encoding speech Method and apparatus for encoding speech

G - Physics

10

L

354/47

G10L 19/02 (2006.01) G10L 21/02 (2006.01) H04B 1/66 (2006.01)

Patent

CA 1239701

METHOD AND APPARATUS FOR ENCODING SPEECH ABSTRACT In a speech encoder a Fourier transform of the speech is provided. The Fourier transform is equalized by normalizing the spectrum coefficients to a curve which approximates the shape of the spectrum. Both the curve and the equalized spectrum are encoded. Preferably, only a baseband of the normalized spectrum is encoded and that baseband is repeated in the decoder.

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