Research Report RR:E33-1011

    An interlaboratory study for test method C423 was conducted by ten laboratories to determine whether uncertainty in measuring decay rate contributed significantly to the uncertainty seen in interlaboratory comparison of sound absorption measurements and establish precision statements for the test method.

    Published: April 2007

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    Related Standards

    C423-17 Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

    Committee E33 on Building and Environmental Acoustics

    Subcommittee E33.01 on Sound Absorption