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Table 1 SSNR gain compared with single microphone for different beamformer outputs

From: Wind noise reduction for a closely spaced microphone array in a car environment

Signal Microphone distance
  7.1 mm 14.3 mm 21.4 mm
YDS (Eq. (26)) 0.96 dB 1.22 dB 1.58 dB
YFBS (Eq. (29)) 1.80 dB 2.25 dB 2.47 dB
YMV (Eq. (22)) (noise estimate) 1.77 dB 2.34 dB 2.80 dB
YMV (Eq. (22)) (noise benchmark) 1.80 dB 2.51 dB 3.04 dB