Abstract
As part of the Manatee Avoidance Technology program of the Florida Fish and Wildlife Conservation Commission, several experiments were conducted between the years 2004 and 2008 in the coastal waters of Florida within typical West Indian manatee (Trichechus manatus latirostris) habitats. The primary purpose of these experiments was to evaluate several vocalization enhancement and noise suppression algorithms. Most of the experiments were conducted in brackish waters having depths less than 30 ft with silt and grassy seabeds. The analysis of the data collected during these experiments revealed certain phenomena pertinent to manatee communication. This talk will focus on the acoustic propagation characteristics observed at these manatee habitats. More specifically, the repetitive loud and fading patterns due to Lloyd’s mirror effect measured from opportunistic sources and the results of controlled transmission loss experiments will be detailed. The effects of such phenomena on manatee communication will be d...
Published Version
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