C
A
75 dB
C
A
73 dB
C
A
C
A
75 dB
C
A
73 dB
C
A
C
B
74 dB
C
B
C
B
74 dB
C
B
75 dB
C
A
75 dB
C
B
75 dB
C
B
C
A
75 dB
C
A
B
B
B
B
72 dB