1.   And while that may sound straightforward enough, he pointed out that noise has both subjective and objective elements.

2.   Champagne, for one, doubts the noise will have any bearing on the outcomes.

3.   Here, even the meaningless noise has meaning.

4.   Noises out of doors have the proper ambience, much different from noises indoors.

5.   Sometimes, however, such noises have an opposite effect, luring seals that learn to associate the sound with dinner.

6.   Even what some parents may consider noise has roots.