Digital Signal Processing Reference
In-Depth Information
10
4
×
2
1.5
1
0.5
0
−
0.5
−
1
−
1.5
−
2
1
1.5
2
2.5
3
3.5
4
0.5
Time (sec)
(a)
4000
3500
3000
2500
2000
1500
1000
500
0
0
0.5
1
1.5
2
2.5
3
3.5
4
Time
(b)
Figure 11.10
Speech enhanced by GBSS with
ν
=
2
,
α
=
4
,and
β
=
0
.
1
:(a)time
waveform and (b) spectrogram
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