C
C
73 dB
C
C
72 dB
C
C
C
C
D
C
70 dB
C
A
72 dB
C
A
C
C
C
C
D
C
71 dB
C
B
73 dB
C
B
71 dB
C
C
C
C
C
C
C
C
C
C
C
C
71 dB
C
A
72 dB
D
B
70 dB
C
C
72 dB
D
C
72 dB
C
A
72 dB
C
C
