Acoustic emission transducer calibration

Details Acoustic emission transducer calibration Acoustic emission transducer calibration

1975-07-14

1977-08-02

Stewart, David L.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181140, H04R 2900

Patent

active

040397670

ABSTRACT:
A method of calibrating acoustic emission transducers. The sensitivity of a standard transducer is first determined utilizing a reciprocity calibration technique, and the standard transducer and the acoustic emission transducer are then connected to a bounded acoustic medium. Random acoustic white noise is transmitted into the acoustic medium thereby establishing a multi-mode reverberant sound field, and the output responses from the standard transducer and the acoustic emission transducer to the reverberant sound field are obtained and compared to determine the sensitivity of the acoustic emission transducer.

REFERENCES:
Researches of the Electrotechnical Laboratory, No. 706, Jan. 1970, "Reciprocity Calibration . . . In a Diffuse Sound Field" by Nakajima, 179-175.1A.
RCA Review; vol. VI, No. 1, July 1941, "Calibration of Microphones, by . . . Reciprocity" by Olson, 179-175.1A.

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