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IEC/TS 61094-7

Measurement microphones – Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones

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Organization: IEC
Publication Date: 1 May 2006
Status: active
Page Count: 30
ICS Code (Electroacoustics): 17.140.50
scope:

This part of IEC 61094

- gives a polynomial function derived from a least square fit to data from several laboratories, for the differences between free-field and pressure sensitivity levels of laboratory standard microphones as specified in IEC 61094-1,

- enables determination of the free-field sensitivity level of a laboratory standard microphone for zero-degrees incidence in air by adding values of these differences to the pressure sensitivity level,

- gives tabulated values for the polynomial function for a range of frequency and temperature,

- is applicable when a suitable free-field calibration is not available.

Document History

IEC/TS 61094-7
May 1, 2006
Measurement microphones – Part 7: Values for the difference between free-field and pressure sensitivity levels of laboratory standard microphones
This part of IEC 61094 – gives a polynomial function derived from a least square fit to data from several laboratories, for the differences between free-field and pressure sensitivity levels of...

References

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