ceiling sound transmission

ceiling sound transmission

In a suspended ceiling construction, the transmission of sound between adjoining rooms by way of the path consisting of the ceiling of each room and the continuous plenum over, and common to, both rooms.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
It was formerly called Ceiling Sound Transmission Class (CSTC), but was changed to avoid confusion with the STC rating.
The ceilings feature a noise reduction coefficient range between .60 and .70, a ceiling sound transmission coefficient range of 35 to 39, and a light reflection value of one.
The 2-tone ceilings have a noise reduction coefficient range of .50 to .60, a ceiling sound transmission coefficient range of 35 to 39, and a light reflection value of three.