Standards / Research Reports
Research Report RR:E33-1012An interlaboratory study was conducted by laboratories testing six samples to establish a precision statement for test method E1050.
E1050-12 Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
Committee E33 on Building and Environmental Acoustics
Subcommittee E33.01 on Sound Absorption