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EN 61094-6:2005

Current
Current

The latest, up-to-date edition.

Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response
Published date

01-11-2005

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Reference environmental conditions
5 Principle of electrostatic actuator operation
  5.1 General
  5.2 Electrostatic pressure
  5.3 Electrostatic actuator response
6 Actuator design
  6.1 General
  6.2 Design
7 Validation
  7.1 General
  7.2 Repeatability of measurements
  7.3 Uniformity of actuators of a given model
  7.4 Uniformity of the difference between actuator and
      pressure response levels
8 Measurement of electrostatic actuator response
  8.1 System for measurement of electrostatic actuator
      response
  8.2 Uncertainty components
9 Applications of an electrostatic actuator
  9.1 General
  9.2 Verification of the frequency response of a measurement
      system
  9.3 Determination of the environmental characteristics of
      microphone measurement systems
  9.4 Determination of free-field and pressure frequency
      responses
  9.5 Measurement of actuator response at very high
      frequencies
Annex A (informative) Examples of electrostatic actuator
                       designs
Annex B (informative) Set-up for measuring electrostatic
                       actuator response
Annex C (informative) Typical uncertainty analysis
Annex D (informative) Difference between free-field-,
                       pressure- and actuator responses
                       for typical models of measurement
                       microphones
Annex ZA (normative) Normative references to international
                       publications with their corresponding
                       European publications
Figures
Table

This part of EN 61094 - gives guidelines for the design of actuators for microphones equipped with electrically conductive diaphragms; - gives methods for the validation of electrostatic actuators; - gives a method for determining the electrostatic actuator response of a microphone. The applications of electrostatic actuators are not fully described within this standard but may include - a technique for detecting changes in the frequency response of a microphone, - a technique for determining the environmental influence on the response of a microphone, - a technique for determining the free field or pressure response of a microphone without specific acoustical test facilities, by the application of predetermined correction values specific to the microphone model and actuator used, - a technique applicable at high frequencies not typically covered by calibration methods using sound excitation.

Committee
CLC/SR 29
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

BS EN 61672-3:2013 Electroacoustics. Sound level meters Periodic tests
EN 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications
EN 62585 : 2012 ELECTROACOUSTICS - METHODS TO DETERMINE CORRECTIONS TO OBTAIN THE FREE-FIELD RESPONSE OF A SOUND LEVEL METER (IEC 62585:2012)
EN 61672-3:2013 Electroacoustics - Sound level meters - Part 3: Periodic tests
EN 61094-8:2012/AC:2013 Measurement microphones — Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
CEI EN 61672-1 : 2014 ELECTROACOUSTICS - SOUND LEVEL METERS - PART 1: SPECIFICATIONS
I.S. EN 61672-3:2013 ELECTROACOUSTICS - SOUND LEVEL METERS - PART 3: PERIODIC TESTS
BS EN 61094-8:2012 Electroacoustics. Measurement microphones Methods for determining the free-field sensitivity of working standard microphones by comparison
I.S. EN 61672-1:2013 ELECTROACOUSTICS - SOUND LEVEL METERS - PART 1: SPECIFICATIONS
CEI EN 61094-8 : 2013 ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 8: METHODS FOR FREE-FIELD CALIBRATION OF WORKING STANDARD MICROPHONES BY COMPARISON
BS EN 61672-1:2013 Electroacoustics. Sound level meters Specifications
CEI EN 61672-3 : 2014 ELECTROACOUSTICS - SOUND LEVEL METERS - PART 3: PERIODIC TESTS
UNE-EN 60318-1:2010 Electroacoustics - Simulators of human head and ear -- Part 1: Ear simulator for the measurement of supra-aural and circumaural earphones
BS EN 62585:2012 Electroacoustics. Methods to determine corrections to obtain the free-field response of a sound level meter
CEI EN 62585 : 2013 ELECTROACOUSTICS - METHODS TO DETERMINE CORRECTIONS TO OBTAIN THE FREE-FIELD RESPONSE OF A SOUND LEVEL METER
UNE-EN 61094-8:2013 Measurement microphones. Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
UNE-EN 62585:2013 Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter
I.S. EN 61094-8:2012 MEASUREMENT MICROPHONES - PART 8: METHODS FOR DETERMINING THE FREE-FIELD SENSITIVITY OF WORKING STANDARD MICROPHONES BY COMPARISON (IEC 61094-8:2012 (EQV))

IEC 61094-5:2016 Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
EN 61094-5:2016 Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
EN 61094-1:2000 Measurement microphones - Part 1: Specifications for laboratory standard microphones
IEC 61094-1:2000 Measurement microphones - Part 1: Specifications for laboratory standard microphones
EN 61094-2:2009 Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
IEC 61094-3:2016 Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
IEC 61094-2:2009 Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
EN 61094-3:2016/AC:2017-01 ELECTROACOUSTICS - MEASUREMENT MICROPHONES - PART 3: PRIMARY METHOD FOR FREE-FIELD CALIBRATION OF LABORATORY STANDARD MICROPHONES BY THE RECIPROCITY TECHNIQUE

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