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Table 3 Number of operations per output frame for the DFHMM, Roweis, MIXMAX, and the iterative separation by Hu and Wang (with I iterations)

From: Single microphone speech separation by diffusion-based HMM estimation

Algorithm

Additions

Multiplications

LUT indexing

DFHMM

L(d+D+1)+2S 2(D 2+D)

L(d+1)+D(L+2S 2+D)

L

Roweis

S 2(d 2+d+1)

S 2(d 2+d)

−

MIXMAX

3d S 2

2d S 2

−

Hu and Wang

(6d+W+2)S 2 I

(3d+W+1)S 2 I+d S I

2d S I