
Acoustics - Procedures for the measurement of real-ear acoustical characteristics of hearing aids
出版:International Organization for Standardization

专家解读视频
This International Standard specifies procedures and requirements for measuring the real-ear acoustical characteristics of hearing aids. Its purpose is to ensure that the same measurements made on a given hearing aid on a given human ear and a given hearing aid, following the procedures described and using equipment complying with the re-quirements of IEC 61669, give substantially the same results.Measurements of real-ear acoustical characteristics of hearing aids which apply non-linear or analytical processing techniques are valid only for the test signals used and conditions employed. These measurements should be performed in accordance with the hearing aid manufacturer’s recommendations as they may require specific test signals or test conditions outside the scope of this International Standard.
NEN ISO 12124:2001 - Identical
AS ISO 12124-2003 (R2014) - Identical
DIN ISO 12124 (2002-09) - Identical
BS ISO 12124:2001 - Identical
GB/T 20242-2006 - Identical
KS I ISO 12124:2014 - Identical
KS I ISO 12124:2003 - Identical
GOST R ISO 12124 : 2009 - Identical
BS ISO 12124 : 2001 - Identical
DS ISO 12124 : 2001 - Identical
DIN ISO 12124 : 2002 - Identical
NEN ISO 12124 : 2001 - Identical
AS ISO 12124-2003 (R2014) - Identical
DIN ISO 12124 E : 2002 - Identical
AS ISO 12124-2003 (R2014) - Identical
GOST R ISO 12124 : 2009 - Identical
DS ISO 12124 : 2001 - Identical
DIN ISO 12124 E : 2002 - Identical
NEN ISO 12124 : 2001 - Identical
DIN ISO 12124 : 2002 - Identical
BS ISO 12124 : 2001 - Identical