Home>IEC TS 61094-7 : 1.0

IEC TS 61094-7 : 1.0

IEC TS 61094-7 : 1.0

MEASUREMENT MICROPHONES - PART 7: VALUES FOR THE DIFFERENCE BETWEEN FREE-FIELD AND PRESSURE SENSITIVITY LEVELS OF LABORATORY STANDARD MICROPHONES

International Electrotechnical Committee

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Table of Contents

1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Reference environmental conditions<br>5 Background<br>6 Difference values of free-field and pressure<br>&nbsp;&nbsp;sensitivity levels<br>&nbsp;&nbsp;6.1 General<br>&nbsp;&nbsp;6.2 Data sources<br>&nbsp;&nbsp;6.3 Expression for the difference between free-field<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and pressure sensitivity levels<br>&nbsp;&nbsp;6.4 Uncertainty on the calculated free-field<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sensitivity level<br>Annex A (informative) - Source data<br>Annex B (informative) - Acknowledgements<br>Annex C (informative) - Historical data

Abstract

Provides 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.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 29
Supersedes
  • IEC 60655 : 1.0

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