BS EN 61094-4:1996 - Specification for measurement microphones - Specifications for working standard microphones
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BS EN 61094-4:1996 is a British Standard that provides guidelines for measuring sound levels in reverberation rooms. This standard is part of a series of standards that covers measurement of airborne sound in buildings and building elements.
Specifically, BS EN 61094-4:1996 provides guidelines for measuring the sound power levels of noise sources in a reverberation room using sound intensity techniques. The standard specifies the following:
General principles for the measurement of sound power levels in a reverberation room
Requirements for the test environment, including the reverberation room, measurement locations, and background noise levels
Equipment requirements, including sound intensity probes and sound level meters
Test procedures, including calibration procedures, measurement procedures, and calculation procedures
Reporting requirements, including the format of the test report and the information that should be included
Overall, the standard provides guidance for measuring sound power levels in a reverberation room in a standardized and consistent manner, ensuring that the measurements are accurate, reliable, and repeatable. The standard aims to facilitate the comparison of sound power levels measured by different laboratories and to provide a basis for the evaluation and control of noise sources in a reverberation room.
