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