In one scene with Jack in his aquarium i think i heard The sounds whales make in the background, which also kind of sounded like the smoke monster noise. Anyone else hear it or am i goin nuts??

Heard it also I believe right before he asked if they were under water.

I heard the whale noice, right before ne said "it's an aquarium." I didn't catch any resemblence to the security system though.

it sounded like stock sound of pressurized water against metal hollows. reminded me of a sub