C
A
72 dB
C
A
C
A
C
A
68 dB
C
A
68 dB
C
A
67 dB
C
A
68 dB
C
A
68 dB
D
C
68 dB
C
A
69 dB
C
A
68 dB
C
C
68 dB
D
C
68 dB
C
A
68 dB
C
C
68 dB
C
A
71 dB
C
A
C
A
67 dB
C
C
68 dB
C
A
C
A
D
C
68 dB
C
A
68 dB
C
A
68 dB