D
C
72 dB
B
A
D
B
72 dB
B
A
6 dB
B
E
B
75 dB
D
C
7 dB
D
B
72 dB
C
A
7 dB
D
D
7 dB
E
C
75 dB
B
A
7 dB
C
A
72 dB
E
B
D
D
75 dB
E
B
75 dB