6.62 axial sensitivity. Of a microphone, for a specified frequency, free-field sensitivity to a plane progressive sound wave whose direction of propagation is toward the reference point and along the principal axis. Unit, volt per pascal...
6.61 close-talking sensitivity. Of a microphone, for a specified frequency, quotient of the output open-circuit voltage by the sound pressure, at the position previously occupied by the microphone reference point, in the undisturbed sound field produced by...
6.60 reciprocity parameter. For a reciprocal electroacoustic transducer at a specified frequency: (a) quotient of the voltage sensitivity of the transducer functioning as a receiver of sound (e.g., a microphone) by the sensitivity to current (transmitting...
6.59 reciprocity principle. For an electroacoustic transducer that is linear, passive, and reversible, principle according to which: (a) the relation between the voltage sensitivity (transmitting voltage response) of the transducer functioning as a receiver...
6.58 sensitivity to electric power; transmitting power response. Of an electroacoustic transducer for sound emission, at a specified frequency, quotient of the time-mean-square sound pressure in a free field at a specified distance from the effective...
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