15. An apparatus for suppressing noise in a speech signal, comprising: a converter that converts the speech signal to a first vector of frequency spectral speech components and a second vector of frequency spectral speech components identical to said first vector of frequency spectral speech components; a noise suppression coefficient calculator that determines a vector of noise suppression coefficients based on said first vector frequency spectral speech components; a speech-versus-noise relationship calculator that determines a speech-versus-noise relationship based on said first vector frequency spectral speech components and said vector of noise suppression coefficients; a post-suppression coefficient calculator that determines a vector of post-suppression coefficients based on said speech-versus-noise relationship, said first vector frequency spectral speech components, and said vector of noise suppression coefficients determined by said noise suppression coefficient calculator; and a weighting circuit that weights said second vector of frequency spectral speech components by said vector of post-suppression coefficients.
15. An apparatus for suppressing noise in a speech signal, comprising: a converter that converts the speech signal to a first vector of frequency spectral speech components and a second vector of frequency spectral speech components identical to said first vector of frequency spectral speech components; a noise suppression coefficient calculator that determines a vector of noise suppression coefficients based on said first vector frequency spectral speech components; a speech-versus-noise relationship calculator that determines a speech-versus-noise relationship based on said first vector frequency spectral speech components and said vector of noise suppression coefficients; a post-suppression coefficient calculator that determines a vector of post-suppression coefficients based on said speech-versus-noise relationship, said first vector frequency spectral speech components, and said vector of noise suppression coefficients determined by said noise suppression coefficient calculator; and a weighting circuit that weights said second vector of frequency spectral speech components by said vector of post-suppression coefficients. 16. The apparatus of claim 15 , wherein said post-suppression coefficient calculator determines a first correction factor based on said first vector frequency spectral speech components and calculates said post-suppression coefficient based on the first correction factor and a predetermined second correction factor, combines the first and second correction factors to produce a combined correction factor and weights said vector of noise suppression coefficients with said combined correction factor to determine said vector of post-suppression coefficients.