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Table 3 Subband (Hz) ranks using mutual information (MI)

From: Enhancement of speech dynamics for voice activity detection using DNN

   Subband (Hz) ranks using MI
Noise SNR (dB) 1 2 3 4
Clean   187.5 218.75 156.25 312.5
White 10 187.5 218.75 156.25 250
  5 187.5 218.75 156.25 250
  0 187.5 218.75 156.25 250
  − 5 187.5 218.75 156.25 250
Babble 10 187.5 218.75 250 156.25
  5 187.5 218.75 250 156.25
  0 187.5 218.75 250 156.25
  − 5 187.5 218.75 250 156.25
Factory 10 187.5 218.75 156.25 250
  5 187.5 218.75 156.25 250
  0 187.5 218.75 250 156.25
  − 5 218.75 187.5 250 312.5
Car 10 187.5 218.75 156.25 250
  5 187.5 218.75 312.5 250
  0 187.5 218.75 250 312.5
  − 5 218.75 187.5 250 312.5
Pink 10 187.5 218.75 156.25 250
  5 187.5 218.75 250 156.25
  0 187.5 218.75 250 156.25
  − 5 187.5 218.75 250 156.25