Audio Demonstrations

Yang, L. and Loizou, P.  "A geometric approach to spectral subtraction," Speech Communication, 50, 453-466, 2008

• Clean sentence

• Sentence embedded in +5 dB multi-talker babble

• Enhanced by traditional spectral subtraction (Eq. 5)

• Enhanced by smoothed  spectral subtraction (Eq. 5 & Eq. 22)

• Enhanced by proposed GA algorithm (b=0.6)

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• Clean sentence (sp21.wav)

• Sentence embedded in +5 dB multi-talker babble

• Enhanced by MMSE algorithm

• Enhanced by proposed GA algorithm (b=0.6)

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MATLAB code available from here.

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