B
A
71 dB
B
A
7 dB
B
A
72 dB
E
E
7 dB
B
B
7 dB
B
B
B
A
72 dB
B
A
72 dB
B
A
72 dB
E
E
B
B
72 dB
B
B
7 dB
B
B