C
C
C
B
66 dB
C
B
65 dB
D
A
68 dB
D
A
68 dB
A
D
A
68 dB
C
C
70 dB
E
B
69 dB
C
B
D
A
69 dB
D
A
68 dB
E
A
C
B
A