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Commercial advertising and more stringent government and industry standards have contributed to increased consumer awareness of product noise. In turn, white goods manufacturers are required to understand the correct metrics for reporting noise data, and use the proper measurement techniques to obtain this data. In this paper, Dr. Andrew R. Barnard provides an overview of sound power measurement techniques, including free-field, reverberant and in-situ. Barnard shares tips for choosing the right method for your testing application, and demonstrates a “free-field over a reflecting plane” measurement using PCB Model 378B02 free-field microphones.Outline:
- Overview of sound power measurement techniques
- Demonstration of a "free-field over a reflecting plane" measurement
- Choosing the right method for your application
- Sound power measurement standards
PCB® manufactures sensors used by design engineers and predictive maintenance professionals to test and measure vibration, pressure, force, acoustics, load, and shock in research and development as well as industrial applications.
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