title: Eckel Industries
text: # Eckel Industries
  
  Eckel Industries is an acoustics noise control company founded 1952 in Cambridge, Massachusetts. The company engineers and constructs anechoic (echo-free) sound chambers.
  
  ## Noteworthy Projects
  
  * Largest anechoic chamber ever constructed at General Electric in Pittsfield, Massachusetts
  * World's quietest room, located at Orfield Labs in Minneapolis, Minnesota. The Orfield Labs chamber was certified by the Guinness Book of World Records in 2005 as the quietest room on Earth.
  * The Eckel anechoic chamber located at Microsoft in Redmond, Washington was certified by the Guinness Book of World Records as the quietest place on earth in 2015, measuring -20.6 dB.
  