A semisoft thresholding method based on Teager energy operation on wavelet packet coefficients for enhancing noisy speech

EURASIP Journal on Audio, Speech, and Music Processing

Table 11 Mean scores of BAK scale for different methods in the presence of car noise at a 5-dB SNR

Listener	Spectral subtraction	Wiener filtering	MMSE	Proposed method
1	2.4	3.8	2.9	4.3
2	1.5	3	1	1.5
3	3	3	3	4
4	1.5	2.5	3	4
5	4	4	4.5	4

Performance comparison of the mean scores of BAK scale evaluated for different methods in the presence of car noise at a SNR of 5 dB.