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BS 4196-8:1991

BS 4196-8:1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Sound power levels of noise sources Specification for the performance and calibration of reference sound sources

Available format(s)

Hardcopy , PDF

Superseded date

02-15-2000

Language(s)

English

Published date

02-28-1991

Publisher

British Standards Institution

Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definitions
4 Performance requirements
5 Calibration of reference sound source
6 Information to be recorded
7 Information to be reported
Annex
A Guidelines for the mechanical characteristics of
   reference sources
Table
1 Estimated standard deviation of sound power level
   calibrations of reference sound sources in hemi-
   anechoic rooms

Establishes the essential acoustical performance requirements of reference sound sources. Specifies procedures for calibrating a sound source for use as a reference sound source in terms of its sound power levels in octave and one-third octave bands and with frequency weighting A. Requires that the calibration be performed in the acoustic environment provided by a hemi-anechoic room. Applies to a sound source which is manufactured for use as a reference sound source.

Committee
EH/1
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 6926:2016 Identical

BS 7458-2:1991 Test code for the measurement of airborne noise emitted by rotating electrical machinery Survey method
BS 7458-1:1991 Test code for the measurement of airborne noise emitted by rotating electrical machinery Engineering method for free-field conditions over a reflecting plane

ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters

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Hardcopy - English
PDF - English
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