Acoustical standards calibration at the Physics Division of the National Research Council of Canada | Zendy

George S. K. Wong | Zendy; T. F. W. Embleton | Zendy

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Acoustical standards calibration at the Physics Division of the National Research Council of Canada

Author(s) -

George S. K. Wong,

T. F. W. Embleton

Publication year - 1981

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.386509

Subject(s) - calibration , condenser (optics) , instrumentation (computer programming) , acoustics , reciprocity (cultural anthropology) , microphone , division (mathematics) , physics , computer science , optics , loudspeaker , mathematics , light source , arithmetic , quantum mechanics , operating system , psychology , social psychology

This paper describes some recent research and development in acoustical standards calibration at NRC. Topics included are instrumentation and apparatus for precise reciprocity, and comparison methods of calibration of condenser microphones. Also, a two‐microphone cavity technique for the overall calibration of sound level meters is discussed together with various methods of verification of acoustical calibrators.

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