An Improved MMSE Amplitude Estimator under Generalized Gamma Distribution Based on Auditory Perception

Table 1

Objective quality scores for various algorithms under white, babble and car noise, SNR = 0 dB and 5 dB.

Noise	Method	SNR = 0 dB			SNR = 5 dB
		SNRseg	PESQ	WSS	SNRseg	PESQ	WSS
White	Noisy	−5.081	1.539	82.69	−2.327	1.799	69.97
	Gamma	2.769	2.545	56.86	5.135	2.901	46.49
	WienerP	3.4101	2.961	43.69	5.802	3.301	35.53
	Proposed	3.8214	2.981	41.03	6.435	3.382	33.92
Babble	Noisy	−4.632	1.705	70.35	−1.783	2.006	56.02
	Gamma	2.218	2.587	51.47	4.595	2.958	41.59
	WienerP	2.946	2.855	40.98	5.282	3.173	32.84
	Proposed	2.963	2.897	40.42	5.576	3.194	30.17
Car	Noisy	−4.959	1.634	66.94	−2.173	1.891	54.08
	Gamma	2.191	2.527	49.74	4.495	2.870	40.95
	WienerP	2.812	2.858	40.21	5.119	3.168	32.87
	Proposed	2.841	2.889	39.42	5.428	3.210	30.38