31. Part of his philosophy is that ambient noise coming from ones surrounding is psychologically and physically damaging. 32. Wide detection bandwidth, slow sweep rates, and commonly high local ambient noise levels generally mask weaker emissions. 33. The roof movement is nearly silent, blending in with the ambient noise typically present during a game. 34. The band was known for its complicated sound, which varied from ambient noise to more complex pieces. 35. By " blank " I mean just recording a half second or so of just ambient noise . 36. Therefore, I think the ambient noise level can reach a point where ones hearing gets too overloaded. 37. "There's no ambient noise here : no radio or TV, no airplanes, no machinery, no passing cars. 38. In all, Hershiser created quiet where a well-trained Mariners crowd had cultivated the art of deafening ambient noise . 39. Two small microphones monitor ambient noise . 40. New mechanical systems have improved the indoor air quality, reduced ambient noise , and significantly saved on energy consumption.