A
B
68 dB
C
A
D
C
70 dB
C
E
67 dB
C
A
69 dB
C
E
67 dB
C
A
C
A
68 dB
C
A
69 dB
C
A
A
B
68 dB
C
A
68 dB
A
B
68 dB
C
A
C
A
68 dB
A
B
A
B
A
B
71 dB
C
A
C
A
68 dB
A
B
68 dB
A
B
A
B
68 dB
C
B