Table 3 Conditions for SS-based dereverberation

Window length

32 ms

Window shift

16 ms

Number of reverberant windows D

6

(192 ms)

Noise overestimation factor α

1.0 (Power SS)

0.1 (GSS)

Spectral floor parameter β

0.15 (both)

Soft-mask gradient parameter a

0.05 (Power SS)

0.01 (GSS)

Soft-mask center parameter b

0.0 (both)