C A 70 dB

C A 70 dB

D B 72 dB

C A 72 dB

C B 72 dB

C B 72 dB

A A 71 dB

C A 72 dB

D B 70 dB

D A 71 dB

D A 71 dB

C A 71 dB

C B 70 dB

C A 73 dB

C B 72 dB

C A 73 dB

C A 73 dB

B B 70 dB