| Summary: | Animalia Craniata Mammalia Cetacea Balaenopteridae Balaenoptera Compressed from .wav format into .mp4 delivery format The vocalization of a Blue Whale; recording was sped up by a factor of ten Date unknown, between 2000 and 2009; The recorded signal has been sped up by a factor of ten; recording was retrieved from the NOAA Vents Program website, which reads: "Western Pacific blue whale calls have been recorded primarily in the northwestern Pacific but also north of Hawaii and in the offshore northeast Pacific (Thompson and Friedl 1982, Stafford and Fox 1996). They are generally a one to two-part frequency modulated moan that lasts about 20s with frequencies from 23 to 20 Hz"; Source: http://www.pmel.noaa.gov/vents/acoustics/whales/sounds/sounds_whales_blue.html
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