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  • BSI
    20/30403701 DC BS EN ISO 8253-3. Acoustics. Audiometric test methods - Part 3. Speech audiometry
    Edition: 2020
    $44.66
    / user per year

Description of 20/30403701 DC 2020

This document specifies basic methods for speech recognition tests for audiological applications.

NOTE

Examples of speech materials are given in Annex A.

In order to ensure minimum requirements of precision and comparability between different test procedures including speech recognition tests in different languages, this document specifies requirements for the composition, validation and evaluation of speech test materials, and the realization of speech recognition tests. This document does not specify the contents of the speech material because of the variety of languages.

Furthermore, this document also specifies the determination of reference values and requirements for the realization and manner of presentation. In addition, there are features of speech tests described which are important to be specified, but which are not understood as a requirement.

This document specifies procedures and requirements for speech audiometry with the recorded test material being presented by an audiometer through a transducer, e.g. an earphone, bone vibrator, or loudspeaker arrangement for sound field audiometry. Methods for using noise either for masking the non-test ear or as a competing sound are described.

Some test subjects, for example children, can require modified test procedures not specified in this document.

Specialized tests, such as those used for evaluating directional hearing and dichotic hearing, are outside the scope of this document.



Standard Number20/30403701 DC
TitleBS EN ISO 8253-3. Acoustics. Audiometric test methods - Part 3. Speech audiometry
StatusDefinitive
Publication Date2020-12-08
Identical National Standard OfISO/DIS 8253-3
DescriptorsAcoustic measurement, Acoustoelectric effects, Signal-to-noise ratio, Speech recognition, Sound intensity, Acoustic testing, Speech, Testing conditions, Maintenance, Hearing (auditory perception), Calibration, Audiometry
ICS13.140 Noise with respect to human beings
CommitteeEH/1/1
PublisherBSI
Pages46

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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