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AS/NZS ISO 8253.2:2019 Acoustics - Audiometric test methods Sound field audiometry with pure-tone and narrow-band test signals
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The objective of this Standard is to specify relevant test signal characteristics, requirements for free, diffuse, and quasi-free sound fields, and procedures for sound field audiometry using pure tones, frequency-modulated tones or other narrow-band test signals presented by means of one or more loudspeakers.