Liveliness is simply a qualitative term that expresses the physically measurable reverberation time. The longer the reverberation time, the more `live' the room is. The most acceptable reverberation time depends on the nature of the sound or music and the size of the room.
![]() Illustration how reverberation is produced by the sum of all reflections of a given sound from various surfaces of a theater. |
Ch. Elster