SS-EN-ISO-8253-3 Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2012)

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This part of ISO 8253 specifes basic methods for speech recognition tests for audiological applications.In order to ensure minimum requirements of precision and comparability between different test procedures including speech recognition tests in different languages, this part of ISO 8253 specifes requirements for the composition, validation and evaluation of speech test materials, and the realization of speech recognition tests. This part of ISO 8253 does not specify the contents of the speech material because of the variety of languages.Furthermore, this part of ISO 8253 also specifes the determination of reference values and fulflment requirements for the realization and manner of presentation.This part of ISO 8253 specifes procedures and requirements for speech audiometry with the recorded test material being presented by air conduction through an earphone, or from a loudspeaker for sound feld 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 amended test procedures not specifed in this part of ISO 8253.Specialized tests such as those used for evaluating directional hearing and dichotic hearing are outside the scope of this part of ISO 8253.

To find similar documents by classification:

13.140 (Noise with respect to human beings Including audiometry Hearing protectors, see 13.340.20 Acoustics and acoustic measurements, see 17.140)

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Designation Name

SS-EN ISO 8253-3:2012

Revision Level




Publication Date

March 16, 2012



Page Count


International Equivalent

EN ISO 8253-3:2012(IDT); ISO 8253-3:2012(IDT)