This is about the English word "will", that was chosen rather than the word "must". In French, this would mean "as little noise as possible", I suppose. But it would be better to use the word "must", which would mean that there must be as little noise as possible. I think that the word "must" is more appropriate than the word "will". 'Will" suggests something whereas the term "must" makes it mandatory.
On December 12th, 2006. See this statement in context.