Historical
ANSI/ASA S3.46-2013
Methods of Measurement of Real-Ear Performance Characteristics of Hearing Aids
This standard covers the terminology, procedures and essential equipment characteristics for the measurement of the acoustic output and acoustic gain of hearing aids, coupled to human ears, in a variety of acoustic environments and for the measurement of certain acoustic properties of the ear related to the application of hearing aids.
Acoustical Society of America [asa]