C
A
71 dB
C
A
C
A
C
A
D
D
72 dB
C
A
C
A
C
A
C
A
C
A
C
A
D
B
76 dB
C
B
74 dB
C
B
74 dB
C
A
74 dB
C
B
74 dB
C
B
74 dB