ISO 17497-1:2004规定了一种测量表面粗糙度引起的表面随机入射散射系数的方法。测量是在混响室中进行的，可以是全尺寸的，也可以是物理尺寸的模型。测量结果可用于描述表面的声音反射偏离镜面反射的程度。所得结果可用于室内声学和噪声控制方面的比较和设计计算。 该方法不用于表征表面散射的空间均匀性。

ISO 17497-1:2004 specifies a method of measuring the random-incidence scattering coefficient of surfaces as caused by surface roughness. The measurements are made in a reverberation room, either in full scale or on a physical scale model. The measurement results can be used to describe how much the sound reflection from a surface deviates from a specular reflection. The results obtained can be used for comparison purposes and for design calculations with respect to room acoustics and noise control. The method is not intended for characterizing the spatial uniformity of the scattering from a surface.