D
A
72 dB
C
A
67 dB
B
B
C
A
67 dB
D
B
69 dB
B
B
B
C
A
67 dB
C
A
67 dB
C
A
D
A
67 dB
A
B
D
A
69 dB
D
B
69 dB
C
A
68 dB
B
D
B
69 dB
E
A
C
A
70 dB
C
A
D
B
70 dB