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ANSI/ASA S3.55-2014/Part 5 / IEC 60318-5:2006 (MOD) (R2019) American National Standard Electroacoustics - Simulators of Human Head and Ear - Part 5: 2 cm2 Coupler for the Measurement of Hearing Aids and Earphones Coupled to the Ear by Means of Ear Inserts >
ANSI/ASA S3.55-2014/Part 5 / IEC 60318-5:2006 (MOD) (R2019) American National Standard Electroacoustics - Simulators of Human Head and Ear - Part 5: 2 cm2 Coupler for the Measurement of Hearing Aids and Earphones Coupled to the Ear by Means of Ear Inserts, 2015
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Construction
- 4.1 General
- 4.2 Cavity dimensions
- 4.3 Static pressure equalization
- 4.4 Calibrated pressure type microphone
- 5 Coupling of earphone to acoustic coupler
- 6 Calibration
- 6.1 Reference environmental conditions
- 6.2 Method of calibration
- Figures Figure 1 – Dimensions of acoustic coupler
- Figure 2 – Coupling of earphone to coupler [Go to Page]