C
C
72 dB
B
C
72 dB
C
B
C
A
C
D
73 dB
C
B
A
72 dB
C
A
C
B
72 dB
C
C
A
C
D
73 dB
C
C
73 dB
B
B
72 dB
C
A
C
B
72 dB
C
B
72 dB