- After the reverberation room is built, it is shooed by acoustical measurement that every tales is satisfing or better than of the national standard.
- Laboratory for Underwater Acoustic Measurement.
- Specific acoustical measurements were also carried out on 1:20 scale model of the Siracusa theatre.
- preferred frequencies for acoustical measurement
- At a time, The acoustic measurement method of rock mass stresses and the horizontal tectonic stress are discussed.