Flutter Echo

Flutter Echoes are produced by sound traveling quickly between two parallel reflective surfaces. Also referred to as "zing" or "chatter," Flutter Echo can result in tone smearing through comb filtering.

A partially treated room is normally to blame for Flutter Echo, wherein two portions of walls, ceiling or floor are non-absorptive and face directly at one another. Depending on room size, the nature of this echo can vary from a fast procession of separate, distinct sound events, to a seemingly unbroken series of echoes. Except for rare use as an intentional sound effect, Flutter Echo is generally not desirable in any space.

Solutions include Diffusion and Absorption.

 

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