What is a delayed sound heard a fraction of a second after the direction of sound is heard?

What is an unpleasant or unwanted sound?

What is the study of reactions of humans to audible sound?

What is the study of sound generated by equipment?

What is the study of effects on environment upon audible sound?

What is the distance between two similar points in succession waves traveling in one cycle?

It is a sensation felt by the brain resulting from the distance of molecules in the air

It is the rate of repetition of a periodic phenomenon

What is the amount of sound energy produced by the source?

It is unit of loudness of sound

at speed of sound normal temperature and pressure

What is the reflected sound that gathers in a central portion of the room?

characterized by very small amounts of absorption

one characterized by large amounts of absorption

What is the persistence of sound after the source of sound has stopped?

state existing in a system which is set into oscillation

simplest kind of sound composed entirely of sound waves of a single frequency