Ceiling Attenuation Class (CAC)
я. Введение
А. Определение
Б. Важность
II. Factors Affecting CAC
А. Ceiling Material
Б. Ceiling Height
С. Installation Techniques
III. CAC Rating
А. Calculation Method
Б. Rating Scale
IV. Области применения
А. Offices
Б. Schools
С. Медицинские учреждения
Д. Auditoriums
В. Benefits of High CAC Rating
А. Подавление шума
Б. Improved Speech Intelligibility
С. Privacy Enhancement
VI. Considerations for Choosing the Right Ceiling
А. Acoustical Needs
Б. Aesthetic Requirements
С. Budget Constraints
VII. Заключение
