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Cross References:
ISO 8253-2
ISO 226
ISO 389-1
ISO 389-2
ISO 389-5
ISO 389-8
ISO 8253-1
IEC 60645-1
IEC 60645-4
 

Document History

  1. BS EN ISO 389-7:2019


    Acoustics. Reference zero for the calibration of audiometric equipment-Reference threshold of hearing under free-field and diffuse-field listening conditions

    • Most Recent
  2. BS EN ISO 389-7:2005+A1:2016


    Acoustics. Reference zero for the calibration of audiometric equipment-Reference threshold of hearing under free-field and diffuse-field listening conditions

    • Historical Version
  3. BS EN ISO 389-7:2005

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    Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing under free-field and diffuse-field listening conditions

    • Historical Version
  4. BS EN ISO 389-7:1998


    Acoustics. Reference zero for the calibration of audiometric equipment-Reference threshold of hearing under free-field and diffuse-field listening conditions

    • Historical Version