C
A
72 dB
C
A
72 dB
A
72 dB
C
A
72 dB
B
B
B
72 dB
A
B
A
D
B
71 dB
C
A
72 dB
D
A
72 dB
C
A
72 dB
B
A
70 dB
D
A
72 dB
C
A
72 dB
C
A
72 dB
A
B
72 dB
C
A
C
A
72 dB
C
A
B
A
72 dB
C
A
72 dB
C
A
72 dB
C
A
72 dB