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.
References in periodicals archive ?
It was formerly called Ceiling Sound Transmission Class (CSTC), but was changed to avoid confusion with the STC rating.
70, a ceiling sound transmission coefficient range of 35 to 39, and a light reflection value of one.