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  • DIN EN ISO 354:2003-12

    Current The latest, up-to-date edition.

    ACOUSTICS - MEASUREMENT OF SOUND ABSORPTION IN A REVERBERATION ROOM

    Available format(s):  Hardcopy, PDF

    Language(s):  English, German

    Published date:  01-01-2003

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Frequency range
    6 Test arrangement
      6.1 Reverberation room and diffusion of sound field
      6.2 Test specimens
      6.3 Temperature and relative humidity
    7 Measurement of reverberation time
      7.1 General
      7.2 Interrupted noise method
      7.3 Integrated impulse response method
      7.4 Evaluation of reverberation times based on decay curves
    8 Expression of results
      8.1 Method of calculation
      8.2 Precision
      8.3 Presentation of results
    9 Test report
    Annex A (normative) Diffusivity of the sound field in the
            reverberation room
    Annex B (normative) Test specimen mountings for sound
            absorption tests
    Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies a method of measuring the sound absorption coefficient of acoustical materials used as wall or ceiling treatments, or equivalent sound absorption area of objects, such as furniture, persons or space absorbers, in a reverberation room.

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

    Development Note Supersedes DIN EN 20354 E (04/2004)
    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

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

    ISO 266:1997 Acoustics — Preferred frequencies
    ISO 9613-1:1993 Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere
    ISO/TR 140-13:1997 Acoustics — Measurement of sound insulation in buildings and of building elements — Part 13: Guidelines
    ISO 11654:1997 Acoustics — Sound absorbers for use in buildings — Rating of sound absorption
    EN ISO 266 : 1997 ACOUSTICS - PREFERRED FREQUENCIES (ISO 266:1997)
    ISO 3382:1997 Acoustics — Measurement of the reverberation time of rooms with reference to other acoustical parameters
    IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
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