D
C
69 dB
D
C
70 dB
D
C
70 dB
D
B
69 dB
D
C
70 dB
E
C
E
B
C
C
68 dB
C
C
68 dB
C
B
C
D
C
70 dB
D
C
68 dB
C
E
D
C
70 dB
E
C
D
C
70 dB
D
B
70 dB
E
B
E
C
70 dB
E
C
70 dB
C
B
70 dB
C
C
69 dB