Wikipedia

File:Ak52 10x.ogg

Ak52_10x.ogg ‎(Ogg Vorbis sound file, length 15 s, 11 kbps, file size: 20 KB)

Summary

Description
English: 52 Hz "whale-like" signals were first reported by Watkins et al.(2000). On average these tones had a center frequency of 51.75 Hz and lasted 5-7 sec. These tones are usually produced in groups of 2-6 and were recorded in the NE Pacific. The recorded signal has been sped up 10 times in order to move the sound into the audible range.
Date
Source http://www.pmel.noaa.gov/vents/acoustics/whales/sounds/sounds_52blue.html
Author NOAA

Licensing

Public domain
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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Captions

10-times speed sound of 52-Hz whale, usually whales has 20 Hz

Items portrayed in this file

depicts

inception

17 September 2012

MIME type

application/ogg

checksum

7ac532197333e649378bde3161b5e7be35aebddd

determination method: SHA-1

data size

20,788 byte

duration

15.367 second

File history

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Date/TimeThumbnailDimensionsUserComment
current18:51, 17 September 201215 s (20 KB)BraincricketUser created page with UploadWizard

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