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Document History

  1. ASA S3.2-2020


    Method for Measuring the Intelligibility of Speech over Communication Systems

    • Most Recent
  2. ASA S3.2-2009 (R2020)


    American National Standard Method for Measuring the Intelligibility of Speech over Communication Systems

    • Historical Version
  3. ASA S3.2-1989(R1995)

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    American National Standard Method for Measuring the Intelligibility of Speech over Communication Systems

    • Historical Version