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NPFC - MIL-PRF-32381

ACOUSTIC HAILING DEVICE (Light)

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Organization: NPFC
Publication Date: 20 May 2011
Status: inactive
Page Count: 23
scope:

This specification describes the performance requirements and verification procedures for the Acoustic Hailing Device, (Light) hereafter referred to as the AHD. The term AHD will be used when requirements or verifications apply to the entire system. The individual component name will be used for requirements or verifications that are unique to that part.

intended Use:

The AHD is a military unique system that will allow for long range acoustic hailing and warning using an input microphone and/or input audio devices that facilitate the use of pre-recorded... View More

Document History

MIL-PRF-32381B VALID NOTICE 1
February 27, 2023
Acoustic Hailing Device (Light)
A description is not available for this item.
MIL-PRF-32381
June 2, 2016
ACOUSTIC HAILING DEVICE (Light)
This specification describes the performance requirements and verification procedures for the Acoustic Hailing Device, (Light) hereafter referred to as the AHD. The term AHD will be used when...
MIL-PRF-32381
May 10, 2016
Acoustic Hailing Device (Light)
A description is not available for this item.
MIL-PRF-32381
November 17, 2015
ACOUSTIC HAILING DEVICE (Light)
This specification describes the performance requirements and verification procedures for the Acoustic Hailing Device, (Light) hereafter referred to as the AHD. The term AHD will be used when...
MIL-PRF-32381
May 20, 2011
ACOUSTIC HAILING DEVICE (Light)
This specification describes the performance requirements and verification procedures for the Acoustic Hailing Device, (Light) hereafter referred to as the AHD. The term AHD will be used when...

References

This document references:
S3.2 - AMERICAN NATIONAL STANDARD Method for Measuring the Intelligibility of Speech over Communication Systems
Published by ASA on December 9, 2020
This standard provides methods for the subjective evaluation of speech intelligibility over entire communication systems and the evaluation of the contributions of elements of speech communication...
This document references:
ANSI/ASA S3.5 - American National Standard Methods for Calculation of the Speech Intelligibility Index
Published by ASA on June 6, 1997
The predictions of this Standard apply to listening conditions where the input variables of the Speech Intelligibility Index (Sll) model can be accurately estimated. The input variables include the...
This document references:
DOD-HDBK-743 - ANTHROPOMETRY OF U.S. MILITARY PERSONNEL (METRIC)
Published by NPFC on February 13, 1991
Anthropometric data have been used for some years in order to provide body size information in military research and development. Knowledge of body size and proportions is essential for the design,...
This document references:
MIL-DTL-38999 - CONNECTORS, ELECTRICAL, CIRCULAR, MINIATURE, HIGH DENSITY, QUICK DISCONNECT (BAYONET, THREADED OR BREECH COUPLING), ENVIRONMENT RESISTANT WITH CRIMP REMOVABLE CONTACTS OR HERMETICALLY SEALED WITH FIXED, SOLDERABLE CONTACTS, GENERAL SPECIFICATION FOR
Published by NPFC on September 8, 2017
This specification covers four series of miniature, high density, circular, environment resistant electrical connectors with removable crimp contacts, or hermetically sealed electrical connectors...
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