sound trap


sound trap

[′sau̇nd ‚trap] (electronics) A wave trap in a television receiver circuit that prevents sound signals from entering the picture channels. (engineering acoustics) A pit between adjoining instrument sections in a sound-recording studio, generally filled with fiberglass panels, to absorb sound that would otherwise propagate from instruments in one section to microphones in adjacent sections.

sound attenuator

In ductwork, a device (usually prefabricated) especially designed to provide much greater sound attenuation than would be provided by an equal length of ductwork; the pressure drop through the device is greater than for an equal length of ductwork.