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