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  Monitoring the global ocean through underwater acoustics
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  Unidentified ship sound  

ship spectrogram A banded spectrogram is indicative of the sound produces by a ship's screw. The location of the frequency bands and other characteristics of the sound can be used to infer the style of ship. This spectrogram probably represents a relatively small vessel moving at high speed.

Click on spectrogram for full-sized image.

shipsound809K wav file(The recorded signal has been sped up 10 times) 



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