Spectrogram of an unidentified sound, referred to as "Slow Down." The recorded signal has been sped up 16 times. Image courtesy of Sounds in the Sea 2001, NOAA/OER.
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Spectrogram of an unidentified sound, referred to as "Slow Down." The recorded signal has been sped up 16 times. Image courtesy of Sounds in the Sea 2001, NOAA/OER.
Related Links