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  • ANSI S12.50 : 2002 : R2007

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - GUIDELINES FOR THE USE OF BASIC STANDARDS

    Available format(s):  Hardcopy, PDF

    Superseded date:  29-06-2020

    Language(s):  English

    Published date:  01-01-2017

    Publisher:  Acoustical Society of America

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Determination of sound power levels
    5 Noise declaration according to ISO 4871
    6 Selection of the appropriate International
      Standard for determination of sound power
      levels
    Annexes
    Annex A (normative) - Synopses of basic International
            Standards on sound power level determinations
    Annex B (informative) - Acoustical test environments
    Annex C (informative) - Factors affecting the choice of
            measurement method
    Annex D (informative) - Guidance on the choice of
            appropriate International Standard for
            determining the sound power level of
            a sound source
    Bibliography

    Abstract - (Show below) - (Hide below)

    Provides guidance for the use of a series of nine International Standards describing various methods for determining the sound power levels from all types of machinery and equipment. Gives: - brief summaries of these basic International Standards; - guidance on the selection of one or more of these standards which are appropriate to any particular type.

    General Product Information - (Show below) - (Hide below)

    Committee S12
    Development Note Also numbered as ISO 3740. (09/2003)
    Document Type Standard
    Product Note Reconfirmed 2007
    Publisher Acoustical Society of America
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 11202:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
    ISO 11200:2014 Acoustics Noise emitted by machinery and equipment Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
    ISO 4871:1996 Acoustics — Declaration and verification of noise emission values of machinery and equipment
    ISO 12001:1996 Acoustics Noise emitted by machinery and equipment Rules for the drafting and presentation of a noise test code
    ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
    ISO 3743-2:1994 Acoustics Determination of sound power levels of noise sources using sound pressure Engineering methods for small, movable sources in reverberant fields Part 2: Methods for special reverberation test rooms
    ISO 9614-1:1993 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
    IEC 60942:2003 Electroacoustics - Sound calibrators
    IEC 61043:1993 Electroacoustics - Instruments for the measurement of sound intensity - Measurements with pairs of pressure sensing microphones
    ISO 3747:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering/survey methods for use in situ in a reverberant environment
    ISO 9614-2:1996 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
    ISO 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
    ISO 11203:1995 Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level
    ISO 3741:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
    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 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
    ISO 11201:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
    ISO 11204:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections
    ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room
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