BS EN ISO 389-9:2009

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Acoustics. Reference zero for the calibration of audiometric equipment. Preferred test conditions for the determination of reference hearing threshold levels | Status: Confirmed, Current

description

1 Scope This part of ISO 389 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.

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Publisher BS

File size 339.79 KB

Pages 16

Format PDF

Publication date 2010-02-28

ISBN-13 978-0-580-70520-5

ISBN-13 plain 9780580705205

ISBN-10 0580705205

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File size 339.79 KB

Pages 16

Format PDF

Publication date 2010-02-28

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