GB/T 18696.2-2002
ActiveAcoustics--Determination of sound absorption coefficient and impedance in impedance tubes--Part 2:Transfer function method
声学 阻抗管中吸声系数和声阻抗的测量 第2部分:传递函数法
Application Summary AI generated
This standard specifies the transfer function method for measuring the sound absorption coefficient and specific acoustic impedance of materials using an impedance tube. It is applied in acoustical testing laboratories and by manufacturers to evaluate the sound-absorbing performance of materials like foams, fibers, and acoustic panels for use in building acoustics, automotive interiors, and noise control engineering.
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