Taking a closer look at projector noise: what causes it, how to measure it, and how to keep it to a minimum.
Jackhammers tearing up the street outside; the neighbor’s dog barking at squirrels; the hum of the refrigerator: noise is a fixture in our daily lives, and projectors are no exception. Like many high-tech devices, they depend on cooling systems that remove excess heat before it can cause permanent damage, and these systems unavoidably produce noise.