C
A
70 dB
E
E
72 dB
C
A
71 dB
C
A
A
72 dB
B
A
66 dB
C
A
71 dB
D
B
7 dB
C
B
7 dB
C
A
7 dB
B
C
70 dB
B
A
7 dB