| Summary: | Animalia Craniata mammalia Cetacea Balaenopteridae Balaenoptera Compressed from .wav format into .mp4 delivery format Recording of a Fin Whale sped up by a factor of ten The recorded signal has been sped up by a factor of ten; NOAA describes the recording: "Atlantic fin whale call.The 20-Hz signals of finback whales are perhaps one of the better described whale calls in the Atlantic Ocean. Typically, these signals are short (< 1s) pulses that downsweep from about 23 Hz to 18 Hz. These pulses typically are produced in groups or 'bouts.' (Watkins et al. 1987). Pulse duration, frequency and bout length can vary with location." Description of recording taken from NOAA website on February 22, 2010 at: http://oceanexplorer.noaa.gov/explorations/sound01/background/seasounds/seasounds.html; Recording Date: circa between 1990 and 2009
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