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