. Author manuscript; available in PMC: 2011 Sep 8.

Published in final edited form as: IEEE Trans Audio Speech Lang Process. 2011;19(1):47–56. doi: 10.1109/TASL.2010.2045180

Table 1.

Percentage of frequency bins falling in the three Regions after processing noisy speech by the three enhancement algorithms.

SNR Level	Algorithm	Region I	Region II	Region III
0 dB	Wiener	45.33 %	14.64 %	40.03 %
−5 dB		37.71 %	12.71%	49.58 %
0 dB	RDC_mag	46.86 %	15.45 %	37.69 %
−5 dB		35.88 %	14.49 %	49.63 %
0 dB	RDC_power	36.81 %	18.14 %	45.05 %
−5 dB		28.08 %	14.88 %	57.04 %