• NS EN ISO 389-7 : 1998

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS (ISO 389-7:2005)

    Available format(s): 

    Withdrawn date:  01-02-2020

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Norwegian Standards (Norges Standardiseringsforbund)

    Sorry this product is not available in your region.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Specification
    Annex A (informative) Notes on the derivation of the
            reference thresholds of hearing
    Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies a reference threshold of hearing for the calibration of audiometric equipment used under the following conditions.

    General Product Information - (Show below) - (Hide below)

    Committee K 001
    Document Type Standard
    Publisher Norwegian Standards (Norges Standardiseringsforbund)
    Status Withdrawn
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective