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