Research Report Approved: Apr 11, 2007
RR:E33-1011

C0423-Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

An interlaboratory study for test method C0423 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.
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Developed by Subcommittee: E33.01
Stock # : RR-E33-1011
Standard: C423