D
C
68 dB
C
C
70 dB
D
C
68 dB
C
68 dB
D
C
70 dB
C
68 dB
D
C
70 dB
C
70 dB
C
70 dB
D
C
70 dB
D
B
70 dB
C
B
E
C
E
C
C
B
70 dB
D
C
70 dB
C
B
70 dB
E
C
E
B
B
71 dB
E
C
C
B
D
C
70 dB
E
C