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