Method and apparatus for processing speech signals

摘要

A speech processing apparatus comprises a speech input section which receives multi-channel signals, a beam former processing section for performing beam former processing on the multi-channel signals to suppress a signal arriving from a target speech source, a target source direction estimation section for estimating the direction of the target source from filter coefficients resulting from the beam former processing, and a voiced/unvoiced speech determination section for determining a speech interval of a speech signal on the basis of the estimated direction of the target source.