Active standard | Published: 07/05/2012

ISO 17497-2:2012

Acoustics — Sound-scattering properties of surfaces — Part 2: Measurement of the directional diffusion coefficient in a free field
(Acoustique — Propriétés de dispersion du son par les surfaces — Partie 2: Mesurage du coefficient de diffusion directionnel en champ libre)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 17497-2:2012

Publication date: 07/05/2012

Pages: 15

Country: International technical standard

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Anotation

Description / Abstract: This part of ISO 17497 specifies a method of measuring the directional diffusion coefficient of surfaces. The diffusion coefficient characterizes the sound reflected from a surface in terms of the uniformity of the reflected polar distribution. The diffusion coefficient is a measure of quality designed to inform producers and users of surfaces that, either deliberately or accidentally, diffuse sound. It can also inform developers and users of geometric room acoustic models. The diffusion coefficient is not suitable for direct use as an input to current diffusion algorithms in geometric room acoustic models. This part of ISO 17497 details a free-field characterization method.

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