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Table 15 Objective results comparison as a function of input SNR for babble noise

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

Gain function Input SNR (dB) KurtR PESQ
   CB STFT CB STFT
WF 0 1.192 3.708 1.936 1.884
  5 1.293 3.811 2.285 2.297
  10 1.612 3.874 2.670 2.602
LSA 0 1.423 3.231 1.981 1.908
  5 1.556 3.326 2.335 2.308
  10 1.849 3.399 2.674 2.694