IEC 61669 Revised
IEC 61669:2001
Electroacoustics - Equipment for the measurement of real-ear acoustical characteristics of hearing aids
Specifies the general requirements for test equipment designed for use in measuring the real-ear acoustical characteristics of hearing aids and describes the terminology used.
The purpose of this International Standard is to ensure that measurements of real-ear acoustical characteristics of a hearing aid on a given human ear, performed with different test equipment which comply with this International Standard using methods described in ISO 12124, shall give substantially the same results.
The purpose of this International Standard is to ensure that measurements of real-ear acoustical characteristics of a hearing aid on a given human ear, performed with different test equipment which comply with this International Standard using methods described in ISO 12124, shall give substantially the same results.
CHFÂ 115.-
A more recent version of this publication exists:
IEC 61669:2015+AMD1:2025 CSV