Noise Estimation and Suppression Using Nonlinear Function with A Priori Speech Absence Probability in Speech Enhancement

Table 1

Objective evaluation and comparison of the proposed method segmental SNR values.

Noise	Method	SNR
		0 (dB)	5 (dB)	10 (dB)	15 (dB)
White	MS	4.27	8.77	12.83	16.57
	MCRA	5.08	9.99	13.56	17.15
	Proposed	5.69	10.64	14.09	17.40
Car	MS	3.44	7.48	12.01	16.10
	MCRA	4.92	7.93	11.85	16.42
	Proposed	5.39	8.84	12.45	17.06
Babble	MS	1.83	6.00	11.17	15.03
	MCRA	3.73	6.79	10.52	16.22
	Proposed	3.83	7.05	11.60	16.23
Airport	MS	1.75	7.04	9.85	14.73
	MCRA	1.64	7.54	9.66	15.15
	Proposed	2.17	8.16	10.10	15.73
Street	MS	2.77	6.75	10.88	15.31
	MCRA	2.34	7.40	9.88	14.36
	Proposed	3.18	8.24	10.62	15.03
Restaurant	MS	0.31	4.48	9.40	14.74
	MCRA	0.27	5.47	9.20	15.24
	Proposed	0.28	5.57	9.43	15.58