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Table 2 WDER for different techniques at different SNRs on CHAINS database

From: Significance of parametric spectral ratio methods in detection and recognition of whispered speech

Condition

LP-MVDR

LPRSAC

Spectral flatness

Normal

0.12

0.3

0.26

SNR=50 dB

0.14

0.46

0.29

SNR=45 dB

0.14

–

0.29

SNR=35 dB

0.40

–

0.30