C
A
73 dB
B
A
72 dB
B
A
72 dB
B
A
72 dB
C
A
7 dB
C
A
D
B
7 dB
B
A
C
B
72 dB
C
B
72 dB
B
A
7 dB
C
B
C
B
7 dB
B
B
A
72 dB
E
E
7 dB
B
B
7 dB
C
A
73 dB
E
E
73 dB
E
E
B
B
7 dB
B
B
7 dB
B
A
72 dB
B
B
71 dB