D
A
69 dB
E
C
74 dB
C
B
dB
B
B
C
A
70 dB
D
A
69 dB
D
B
70 dB
C
A
74 dB
E
B
75 dB
C
A
70 dB
C
B
C
A
70 dB
C
A
69 dB