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ASA S12.55-2006 / ISO 3745:2003 PDF

ASA S12.55-2006 / ISO 3745:2003 PDF

Name:
ASA S12.55-2006 / ISO 3745:2003 PDF

Published Date:
04/27/2006

Status:
Active

Description:

Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Precision Methods Anechoic and Hemi-Anechoic Rooms

Publisher:
Acoustical Society of America Standards

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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This American National Standard specifies methods for measuring the sound pressure levels on a measurement surface enveloping a noise source in anechoic and hemi-anechoic rooms, in order to determine the sound power level or sound energy level produced by the noise source. It gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the sound power level or sound energy level is calculated, leading to results which have a grade 1 accuracy.

The methods specified in this American National Standard are suitable for measurements of all types of noise.

The noise source can be a device, machine, component or sub-assembly. The maximum size of the source under test depends on the radius of the hypothetical sphere (or hemisphere) used as the enveloping measurement surface.


ANSI : ANSI Approved
Number of Pages : 62
Published : 04/27/2006

History

ASA S12.55-2006 / ISO 3745:2003
ASA S12.55-2006 / ISO 3745:2003
Published Date: 04/27/2006
Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Precision Methods Anechoic and Hemi-Anechoic Rooms

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