insertion loss

6.71 insertion loss. Ten times the logarithm to the base ten of the ratio of the power delivered to that part of the system that will follow the transducer, before insertion of the transducer, to the power delivered to the same part of the system after insertion of the transducer. Unit, decibel (dB).

Annotation 1 If the input power or the output power, or both, consist of more than one component, the particular component should be specified.

Annotation 2 See also 10.65.

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Alternative Meanings:

insertion loss
10.65 insertion loss. Of a silencer or other sound-reducing element in a specified frequency band, the decrease in sound pressure level measured at the location of the receiver when a sound insulator is inserted in the transmission path between the sound source and the receiver. Unit, decibel (dB). Annotation See also 6.71.

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Standards Terms: insertion loss
Standards Terms: transducer
Standards Terms: decibel

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