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This page contains a selection of audio files that were recorded underwater, related video and animation products, and several spectograms and other images of ocean sound. Click any image below to listen and learn more about sound in the sea.
Audio, Video & Animations
Images
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 Audio,  Video & Animations
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Ocean sound data transmittal (animation)
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Fin whale (48 K, QuickTime)
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Blue whale (48 K, QuickTime)
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Hydrophone Installation (9.4 Mb, QuickTime)
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Frequency Scale (576 K, QuickTime)
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"Bloop," an unidentified sound (452k K, QuickTime)
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"Slow Down" an unidentified noise (788k, QuickTime)
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Minke whales (785k, QuickTime)
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Fin whale (785k , QuickTime)
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Humpback whale (785k, QuickTime)
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Blue whale (380k, QuickTime)
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Seismic airguns (816k, QuickTime)
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Ship's propeller (816k, QuickTime)
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NOAA Ship Ronald H. Brown (848k, QuickTime)
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Volcanic tremor-like signals (1.1Mb, QuickTime)
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Earthquake (44k, QuickTime)
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Images
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Autonomous Underwater Hydrophone (AUH) mooring (HR)
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Finding the hydrophone
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Potential / exisiting hydrophone sites
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SOund SUrveillance System (SOSUS)
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Autonomous moored hydrophones
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Securing the cable end
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Lowering the hydrophone array
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Basic components of a sound wave
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Same amplitude, different frequency
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Same frequency, different amplitude
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SOFAR Channel
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