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IEC 60118-8 Ed. 2.0 b:2005

Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated [in situ] working conditions
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IEC 60118-8 Ed. 2.0 b:2005

Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated [in situ] working conditions

PUBLISH DATE 2005
PAGES 72
IEC 60118-8 Ed. 2.0 b:2005
Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated [in situ] working conditions
Describes methods for a test which simulates the acoustical effects of a median adult wearer on the performance of a hearing aid. Establishes certain guidelines for simulated in situ measurements of hearing aids; it describes a simplified method for simulated in situ measurements of hearing aids and a description for determination of the directivity index (DI) of directional microphones in hearing aids in the horizontal plane. In addition this second edition now specifies tolerances. Conformance to the specifications in this International Standard is demonstrated only when the result of a measurement, extended by the actual expanded uncertainty of measurement of the testing laboratory, lies fully within the tolerances specified in this International Standard extended by the values for Umax
SDO IEC: International Electrotechnical Commission
Document Number IEC 60118
Publication Date Oct. 1, 2005
Language b - English & French
Page Count 72
Revision Level 2.0
Supercedes
Committee 29
Publish Date Document Id Type View
Oct. 1, 2005 IEC 60118-8 Ed. 2.0 b:2005 Revision
Oct. 1, 2005 Revision