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