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IEVref:801-25-48ID:
Language:enStatus: Standard
Term: electroacoustic coupling coefficient (1)
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Definition: one of the following two quotients:

a) for transduction of an electric signal into an acoustic signal, quotient of the resulting sound pressure in the blocked acoustical system by the excitation current in the electrical system;

b) for transduction of an acoustic signal into an electric signal, quotient of the resulting open-circuit voltage in the electrical system by the excitation volume velocity in the acoustical system

NOTE – These definitions are best applied to a reciprocal electroacoustic transducer with gyroscopic coupling, for example an electromagnetic transducer, in which case the two quotients have equal magnitude.


Publication date:1994-07
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