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.
吸声与隔声是材料的声学特性，吸声与隔声测量对噪声控制与声学设计具有重要意义。
2
Measurement of soundinsulation in buildings and of building elements.
建筑物和建筑构件的隔音测量。
3
GB/T19889.6 Acoustics-Measurement of soundinsulation in buildings and of building elements-Part 6: Laboratory measurements of impact sound insulation of floors.