Music classrooms need to satisfy acoustical requirements of sound insulation and sound absorption.
音乐教室要同时满足隔音和吸音的声学要求。
2
Sound absorption materials is always used in controlling reverberation time in the acoustical design of studios.
对演播厅混响时间的控制，在声学设计上往往通过安装吸声材料来实现。
3
Sound absorption and insulation is the acoustical characteristic of material. Measurement of sound absorption and insulation has an important significance in noise control and acoustical design.