why are there sometimes spots in auditoriums where little sound is heard?

Answer 1

Have you ever seen eddies in streams, places where the water just swirls around? Sounds travels outward and bounces around and sometimes just plain doesn't fill an area with much sound the same way the geometry of some rocks in a stream prevent water from flowing smoothly.

Or maybe you mean a place where a guy is sitting; we often aren't listening when we should be.

Answer 2

It sounds like an optical migraine. as detrimental to a real migraine, an optical migraine additionally is composed of an air of secrecy that comes earlier a migraine attack, yet there is the absence of soreness. it incredibly is rarer than the migraine that includes extreme soreness. it is likewise comprehend as acephalgic migraine or seen or ocular migraine. it incredibly is a migraine air of secrecy unaccompanied by ability of headache. The seen disturbances that are experienced are flashing lighting fixtures that appear like zigzag or “citadel-like” lighting fixtures. those auras many times start up as small seen marches crossing the sector of regard that slowly fades away. assaults like those final for a number of minutes to exceptionally much an hour. If it is going to comprise a headache, the soreness will save on with in an hour. An optical migraine can be experienced as a blind spot interior the sector of regard.

Answer 3

They are dead zones. The auditorium was not designed for noise to travel throughout.. A concert hall it is not