Vocabulary-Acoustics

__*Acoustics:__ Is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound and infrasound.

__*I nfrasound: __ is a sound wave or sound wave whose frequency is below theaudible range of human hearing.

__ *Architectural Acoustics: __ S tudies the phenomena associated with a right -propagation, true sound and functional in a closet, either a concert hall or recording studio. Thisalso involves the problem of sound insulation.

__ *Sound insulation: __ refers to the set of materials, techniques and technologies developed to isolate or reduce the noise level in a given space