A method of noise reduction, wherein the method is applied to an electronic device, the electronic device comprises a first sound collector and a second sound collector, and installation positions of the first sound collector and the second sound collector are different, the method comprises: acquiring a first sound signal collected by the first sound collector and a second sound signal collected by the second sound collector; determining a desired sound signal and an interference sound signal based on the first sound signal and the second sound signal; obtaining a third sound signal by performing coherent noise elimination processing on the desired sound signal based on the interference sound signal; and obtaining a target sound signal by performing incoherent noise suppression processing on the third sound signal based on a probability of existence of a speech in the third sound signal; wherein obtaining the third sound signal by performing the coherent noise elimination processing on the desired sound signal based on the interference sound signal comprises: calculating to obtain the third sound signal Y D (k) by a following formula: Y D k = F out k − W k ⋅ B out k; wherein F out (k) represents the desired sound signal, B out ( k) represents the interference sound signal, k represents a k-th frequency point, and W ( k) represents an adaptive filter coefficient, and: W n + 1 k = W n k + μ 0 ⋅ μ SIR ⋅ B out k Y D k ∗ B out k 2 + δ; wherein μ 0 represents an update step size, μ SIR represents a variable update step size, the variable update step size μ SIR changes with a change of a power ratio of the desired sound signal and the interference sound signal, δ is a preset parameter, and B out ( k) Y D ( k) * represents a conjugate correlation between the interference sound signal Bout(k) and the third sound signal Y D (k); wherein μ SIR is negatively correlated with the power ratio of the desired sound signal and the interference sound signal. acquiring a first sound signal collected by the first sound collector and a second sound signal collected by the second sound collector; determining a desired sound signal and an interference sound signal based on the first sound signal and the second sound signal; obtaining a third sound signal by performing coherent noise elimination processing on the desired sound signal based on the interference sound signal; and obtaining a target sound signal by performing incoherent noise suppression processing on the third sound signal based on a probability of existence of a speech in the third sound signal; wherein obtaining the third sound signal by performing the coherent noise elimination processing on the desired sound signal based on the interference sound signal comprises: calculating to obtain the third sound signal Y D (k) by a following formula: Y D k = F out k − W k ⋅ B out k; wherein F out (k) represents the desired sound signal, B out ( k) represents the interference sound signal, k represents a k-th frequency point, and W ( k) represents an adaptive filter coefficient, and: W n + 1 k = W n k + μ 0 ⋅ μ SIR ⋅ B out k Y D k ∗ B out k 2 + δ; wherein μ 0 represents an update step size, μ SIR represents a variable update step size, the variable update step size μ SIR changes with a change of a power ratio of the desired sound signal and the interference sound signal, δ is a preset parameter, and B out ( k) Y D ( k) * represents a conjugate correlation between the interference sound signal Bout(k) and the third sound signal Y D (k); wherein μ SIR is negatively correlated with the power ratio of the desired sound signal and the interference sound signal. calculating to obtain the third sound signal Y D (k) by a following formula: Y D k = F out k − W k ⋅ B out k; wherein F out (k) represents the desired sound signal, B out ( k) represents the interference sound signal, k represents a k-th frequency point, and W ( k) represents an adaptive filter coefficient, and: W n + 1 k = W n k + μ 0 ⋅ μ SIR ⋅ B out k Y D k ∗ B out k 2 + δ; wherein μ 0 represents an update step size, μ SIR represents a variable update step size, the variable update step size μ SIR changes with a change of a power ratio of the desired sound signal and the interference sound signal, δ is a preset parameter, and B out ( k) Y D ( k) * represents a conjugate correlation between the interference sound signal Bout(k) and the third sound signal Y D (k); wherein μ SIR is negatively correlated with the power ratio of the desired sound signal and the interference sound signal.