1.1本试验方法涵盖了建筑隔墙（如各种墙壁、可操作隔墙、地板-天花板组件、门、窗、屋顶、面板和其他空间分隔元件）的空气传播声损失的实验室测量。 1.2实验室认证-附录A3中给出了认证实验室执行本试验方法的程序。 1.3本标准无意解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。

1.1 This test method covers the laboratory measurement of airborne sound transmission loss of building partitions such as walls of all kinds, operable partitions, floor-ceiling assemblies, doors, windows, roofs, panels, and other space-dividing elements. 1.2 Laboratory Accreditation -A procedure for accrediting a laboratory for performing this test method is given in Annex A3. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.