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  • BSI
    BS ISO 26101-1:2021 Acoustics. Test methods for the qualification of the acoustic environment - Qualification of free-field environments
    Edition: 2021
    $423.36
    / user per year

Description of BS ISO 26101-1:2021 2021

This document specifies methodology for qualifying acoustic spaces as anechoic and hemi-anechoic spaces meeting the requirements of a free sound field.

This document specifies discrete-frequency and broad-band test methods for quantifying the performance of anechoic and hemi-anechoic spaces, defines the qualification procedure for an omni-directional sound source suitable for free-field qualification, gives details of how to present the results and describes uncertainties of measurement.

This document has been developed for qualifying anechoic and hemi-anechoic spaces for a variety of acoustical measurement purposes. It is expected that, over time, various standards and test codes will refer to this document in order to qualify an anechoic or hemi-anechoic space for a particular measurement. Annex D provides guidelines for the specification of test parameters and qualification criteria for referencing documents.

In the absence of specific requirements or criteria, Annex A provides qualification criteria and measurement requirements to qualify anechoic and hemi-anechoic spaces for general purpose acoustical measurements.

This document describes the divergence loss method for measuring the free sound field performance of an acoustic environment.



Standard NumberBS ISO 26101-1:2021
TitleAcoustics. Test methods for the qualification of the acoustic environment - Qualification of free-field environments
StatusWithdrawn
Publication Date2021-05-19
Withdrawn Date2022-10-26
Identical National Standard OfISO 26101-1
DescriptorsQualification approval, Test equipment, Reverberation rooms, Acoustic testing rooms, Laboratories, Impact sound insulation, Airborne sound insulation, Construction systems parts, Acoustic testing, Acoustic measurement, Acoustics
ICS17.140.01 Acoustic measurements and noise abatement in general
CommitteeEH/1/4
ISBN978 0 539 15694 2
PublisherBSI
Pages32



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About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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