B
C
75 dB
B
C
75 dB
B
A
75 dB
B
A
75 dB
B
C
75 dB
D
A
74 dB
B
A
75 dB
D
A
74 dB
E
A
74 dB
C
A
75 dB
A
B
A
C
A
B
C
75 dB
A
B
C
A
C
A
74 dB
A
B
75 dB
C
A
75 dB
D
A
74 dB
B
A
75 dB