Speech coder and speech decoder

Details Speech coder and speech decoder Speech coder and speech decoder

G - Physics

10

L

G10L 19/04 (2006.01) G10L 19/12 (2006.01)

Patent

CA 2684452

An excitation vector generator comprises a pulse vector generating section having N channels (N.gtorsim.1) for generating pulse vectors, a storing section for storing M (M.gtorsim.1) kinds of dispersion patterns every channel in accordance with N channels, a selecting section for selectively taking out a dispersion pattern from the storing section every channel, a dispersion section for performing a superimposing calculation of the extracted dispersion pattern and the generated pulse vectors every channel so as to generate N dispersion vectors, excitation vector generating section for generating an excitation vector from N dispersion vectors generated.

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