I have not thought that lack of Michael's explanation/answer of my question is a big deal, although I am interested in an answer. I thought he simply have not read my question either because he has not read thread recently, or he has not paid attention to my question as it was not explicitly addressed to him.
I am in no way an aeronautic engineer and would not be able to discuss the design features of a plane. I believe your statements about wings and that makes me even more curious about its application in the room as stationary walls are not exactly moving in one direction (absolutely or relatively) as airplane wings are. Since yesterday, I have been unsuccessful in locating any explanation of an object placed in the stream of laminar flow making it even more organized (what does that actually mean?). It may be due to my search technique and sources and it may be because I really haven't spent whole sunday looking for it. Still, it is intriguing to me and you opened yet another avenue for my curiosity. If placing something in the path of laminar flow really "organizes" that flow, how does it work in the room? At this point, I am not even interested about its influence on sound, but just plain basic flow of fluids.
I, just like prof, do think that Michael is passionate about what he writes about, regardless if I agree or disagree with him on something or nothing and I do not give him too many negative points for obviously pushing his business here (the man has to pay electricity for his equipment, at least), but I have a feeling he may know something about this topic that I do not. I hope neither him, nor you, find it unacceptable to ask for some knowledge-sharing from those who seem to know better. If it is not acceptable, I apologize.

