Blind-Matched Filtering for Speech Enhancement with Distributed Microphones

Table 1

Comparison of the fullband (according to (18)) and partial MWF (according to (34)).

	𝑑mic [m]	0.04			0.6
		100 km/h	140 km/h	defrost	100 km/h	140 km/h	defrost
	SSNR ch.1 [dB]	−2.7	−7.1	−0.8	−2.7	−7.7	−0.2
	SSNR ch.2 [dB]	−3.8	−8.2	−1.3	−1.1	−5.8	0.6
Fullband MWF	SSNR [dB]	4.4	−0.8	5.3	5.4	−0.1	7.6
	S-MOS	4.6	4.7	4.7	4.7	4.7	4.8
	N-MOS	3.2	2.6	3.0	3.1	2.6	3.0
	G-MOS	3.8	3.5	3.8	3.8	3.5	3.8
Partial MWF	SSNR [dB]	4.6	−0.6	4.9	5.4	−0.1	7.3
	S-MOS	4.6	4.7	4.7	4.6	4.7	4.7
	N-MOS	3.2	2.6	3.0	3.1	2.6	3.0
	G-MOS	3.8	3.5	3.8	3.7	3.5	3.7