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Automated acoustic localization and call association for vocalizing humpback whales on the Navy's Pacific Missile Range Facility

The techniques outlined in this paper prove to be effective for localizing humpback whale vocalizations on 14 hydrophones five times faster than real-time on the PMRF range with a predicted high level of spatial accuracy. The localization process is robust over a wide range of environmental and noise conditions, and has been shown to work on data collected in the months of December to May over multiple years. Although not discussed in detail, the GPL detection and templating procedure is general enough to be readily adapted to other types of marine mammal vocalizations, and so the same process for obtaining TDOAs between hydrophone pairs can be ported to other species.

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