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