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Table 12 Listening test results for babble noise at 10 dB input SNR

From: An adaptive a priori SNR estimator for perceptual speech enhancement

Gain Categories Babble noise
   DD MDD Prop
WF Speech 3.6 3.9 4.1
  Background noise 3.2 3.5 3.6
  Musical noise 4.0 4.2 4.4
  Over all 3.6 3.9 4.0
LSA Speech 3.2 4.0 4.2
  Background noise 2.8 3.5 3.8
  Musical noise 3.9 4.4 4.5
  Over all 3.3 4.0 4.2