C
A
71 dB
D
B
71 dB
C
A
71 dB
D
B
71 dB
C
A
C
A
71 dB
C
A
72 dB
C
A
C
A
C
A
72 dB
C
A
C
A
72 dB
D
B
71 dB
C
A
71 dB
B
B
B
B
B
71 dB
C
B
72 dB