echo chamberecho chamber
(plural echo chambers)
- A room or other enclosed space that is highly conducive to the production of echoes, particularly one that has been designed and built for this purpose.
- In music production, a sound effect that may be applied to live or recorded sounds through a sound editing process, which creates the impression that the sounds originated in an enclosed space which was conducive to echoes.
- (derogatory, by extension) An insular communication space that is of no interest to outsiders or refuses their input.