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