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为了满足不同环境条件下的使用，材料和声学专家不断推出新型的吸声材料和吸声结构，如吸声泡沫塑料、吸声泡沫玻璃、陶瓷吸声板、喷涂吸声材料、微穿孔吸声板以及金属多孔吸声板等等。金属多孔吸声板以金属铝为原料，有铝泡沫板和铝粉末烧结板。由于这两种吸声板生产工艺复杂
In order to meet the different environmental conditions, materials and acoustic experts continue to introduce new sound-absorbing materials and sound-absorbing structures, such as sound-absorbing foam, sound-absorbing foam glass, ceramic sound-absorbing panels, spray sound absorbing materials, Board and metal porous sound-absorbing board and so on. Metal porous acoustic panels to aluminum as raw material, aluminum foam board and aluminum powder sintered plate. Because of these two kinds of sound board production process is complicated