D A 73 dB

C C 73 dB

D A 73 dB

C A 73 dB

D A 71 dB

B B 71 dB

A B 73 dB

B B 73 dB

A B 71 dB

B B 72 dB

C A 72 dB

C A 71 dB

C A 70 dB

A B 69 dB

B A 70 dB

B B 70 dB

C A 70 dB

D A 71 dB

B A 70 dB

C C 73 dB