acoustic communications

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Recent Inquiries

An acoustic hailing device (AHD) being installed on a High Mobility Multipurpose Wheeled Vehicle (HMMWV) (Source: U.S. Army Picatinny Arsenal).

Research Efforts in Long-Range Acoustic Messaging

The Defense Systems Information Analysis Center (DSIAC) was asked to identify key players in U.S. Department of Defense research efforts in long-range (500–1,000 m) acoustic messaging. DSIAC searched open-source documents and the Defense Technical Information…

Maritime Communications and Surveillance Defense-Related Research

DSIAC was asked to identify key players in DoD research efforts in the following areas: Long-range (500 – 1,000 meters) acoustic messaging Acoustic submarine communications Wide-area ocean surveillance Infrasound DSIAC searched open-source documents and the…

Targeted Audio Messaging Technologies

What laser, ultrasonic, or similar technologies exist or are in development that can project an audio message to a targeted person or group without a receiver?  DSIAC was tasked with researching technologies and research and development projects that can…

Articles

Hydronalix to Develop Gateway Buoy for UUV Control and Communications

U.S. Navy unmanned underwater vehicle (UUV) experts needed a special buoy to house and control surveillance UUVs designed to determine the depth and underwater topography of rivers and inland waters. They found their solution from Hydronalix Inc. in Green Valley, Ariz. Officials of the Naval Air Warfare Center Aircraft Division in Lakehurst, N.J., announced plans