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Homepage>BS Standards>91 CONSTRUCTION MATERIALS AND BUILDING>91.120 Protection of and in buildings>91.120.20 Acoustics in building. Sound insulation>BS ISO 17497-2:2012 Acoustics. Sound-scattering properties of surfaces Measurement of the directional diffusion coefficient in a free field
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immediate downloadReleased: 2012-05-31
BS ISO 17497-2:2012 Acoustics. Sound-scattering properties of surfaces Measurement of the directional diffusion coefficient in a free field

BS ISO 17497-2:2012

Acoustics. Sound-scattering properties of surfaces Measurement of the directional diffusion coefficient in a free field

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Standard number:BS ISO 17497-2:2012
Pages:26
Released:2012-05-31
ISBN:978 0 580 71826 7
Status:Standard
DESCRIPTION

BS ISO 17497-2:2012


This standard BS ISO 17497-2:2012 Acoustics. Sound-scattering properties of surfaces is classified in these ICS categories:
  • 91.120.20 Acoustics in building. Sound insulation

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.