Searched refs:noise_variance (Results 1 – 1 of 1) sorted by relevance
42 float noise_variance = 0.f; in ComputeSpectralDiff() local48 noise_variance += noise_diff * noise_diff; in ComputeSpectralDiff()52 noise_variance *= kOneByFftSizeBy2Plus1; in ComputeSpectralDiff()57 signal_variance - (covariance * covariance) / (noise_variance + 0.0001f); in ComputeSpectralDiff()