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10/30194376 DC : 0

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS EN 62585 ED.1 - ELECTROACOUSTICS - METHODS TO DETERMINE CORRECTIONS TO OBTAIN FREE-FIELD RESPONSE OF A SOUND LEVEL METER
Available format(s)

Hardcopy , PDF

Superseded date

11-30-2012

Language(s)

English

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Reference environmental conditions
5 Uncertainties of measurement
6 General requirements for measurement of
    adjustment value and corrections
7 Submission and inspection
8 Determination of the adjustment value at the
    calibration check frequency
9 Determination of corrections for the typical
    effects of reflections from the case of the
    sound level meter and diffraction of sound
    around the microphone
10 Determination of corrections for the deviation
    of the microphone free-field frequency response
    from a uniform frequency response
11 Determination of corrections for the use of
    windscreens and similar accessories
12 Determination of corrections over a range of
    frequencies when a sound calibrator is recommended
    for use by the sound level meter manufacturer
13 Determination of corrections over a range of
    frequencies when a comparison coupler is
    recommended for use by the sound level meter
    manufacturer
14 Determination of corrections over a range of
    frequencies when an electrostatic actuator is
    recommended for use by the sound level meter
    manufacturer
15 Documentation
Annex A (normative) - Calibration check frequency
        - Adjustment value
Annex B (normative) - Determination of the effects of
        reflections from the case of the sound level
        meter and diffraction of sound around the microphone
Annex C (normative) - Determination of the effects of
        the use of windscreens and similar accessories
Annex D (informative) - Determination of corrections for
        use with sound calibrators to determine equivalent
        free-field response at all frequencies of interest
Annex E (informative) - Determination of corrections for
        use with comparison couplers to determine equivalent
        free-field frequency response at all frequencies
        of interest
Annex F (informative) - Determination of corrections for
        use with electrostatic actuators to determine
        equivalent free-field frequency response at all
        frequencies of interest
Annex G (informative) - Comparison techniques
Annex H (informative) - Exact one-twelfth-octave frequencies
Annex I (informative) - Example calculations of expanded
        uncertainty of measurement
Bibliography

BS EN 62585 ED.1

Committee
EPL/29
DocumentType
Draft
Pages
48
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

IEC 61672-2:2013+AMD1:2017 CSV Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests
IEC 61094-5:2016 Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
IEC TS 61094-7:2006 Measurement microphones - Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones
IEC 60942:2003 Electroacoustics - Sound calibrators
IEC 61094-1:2000 Measurement microphones - Part 1: Specifications for laboratory standard microphones
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO 18233:2006 Acoustics Application of new measurement methods in building and room acoustics
IEC 61094-2:2009 Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
IEC 61672-3:2013 Electroacoustics - Sound level meters - Part 3: Periodic tests
IEC 61094-6:2004 Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response
IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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