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Proceedings Paper

Aircraft voice intercommunications system design for Project Oculus
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Paper Abstract

Project Oculus, an ongoing research platform for deploying airborne sensors on a C-130 aircraft, is currently in its pre-flight testing phase. The sensor platform is divided into two systems that rest on standard 463L pallets; a sensor deployment pallet and an operator station. The sensor pallet consists of a deployment arm and a pod, which can contain various sensors. The operator station houses power control equipment, data acquisition, and operators who control the sensors. Oculus is designed to fly on a C-130 aircraft, which has very high internal audible noise. Although Oculus' operator station contains noise-deadening material, a headset intercommunication system needs to be designed. This system must comply with different headset standards, communicate with the C-130 intercom, and be expandable to accommodate various audio sources like radios and satellites receivers. Throughout the years, intercom systems and headsets have evolved from the original standard consisting of an impedance rating of a speaker and a microphone. Early intercom systems were highly limited in functionality and quality due to simple electronics and common grounding. Advances in electronics allowed for the evolution of headset standards and intercom equipment, which permitted a multitude of new configurations and improved sound quality. With these advances, multiple headset standards and intercom interfaces have become popular among the military and civilian aviation. Due to the different standards for headsets, impedance matching plays a major role in the design of an intercom system. Oculus is a multi-mission platform and therefore must be designed to support a variety of standards including civilian and military headsets. This paper outlines the intercom units and parts considered for use in Oculus, and a design criteria for an extendable intercom system for Oculus.

Paper Details

Date Published: 2 May 2006
PDF: 10 pages
Proc. SPIE 6249, Defense Transformation and Network-Centric Systems, 62490C (2 May 2006); doi: 10.1117/12.666097
Show Author Affiliations
Jay Wilhelm, West Virginia Univ. (United States)
James E. Smith, West Virginia Univ. (United States)

Published in SPIE Proceedings Vol. 6249:
Defense Transformation and Network-Centric Systems
Raja Suresh, Editor(s)

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