C
A
68 dB
B
A
69 dB
C
B
72 dB
C
A
71 dB
C
A
E
A
C
B
E
A
C
A
69 dB
C
B
C
A
70 dB
C
E
C
A
72 dB
A
A
69 dB
B
A
70 dB
B
B
A
C
A
70 dB
B
A
70 dB
B
A
7 dB
C
B
70 dB
C
A
69 dB
C
B
72 dB
C
A
70 dB