Acoustics_Vocabulary

__**Acoustics:**__ is the term for the study of sound and how sound is experienced.

__**Privacy**__: Acoustic privacy between working places in open plan offices is expressed with the Articulation Class (AC).

**__Reverberation time, (T or RT)__**: The time it takes for the sound pressure level to fall by 60 dB after the sound has been turned off.

__**Sound absorption:**__ Means that sound energy is converted into mechanical vibration energy and/or heat energy.

__**Speech intelligibility**__: is directly dependent on the level of background noise, reverberation time and the shape of the room.