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Low-Frequency Phase Sensitivity in the Auditory System of a Dolphin

  • Gennady L. Zaslavsky
  • Mikhail A. Polyakov

Abstract

It has been shown that a human listener can discriminate click-pairs of different order of the two clicks of unequal amplitude. Ronken (1970) utilized the fact that the power spectrum of a transient is unaffected by reversal of the time scale for producing different stimuli with identical energy spectra. Listeners discriminated such “mirror-image” signals with spectra that differ only in phase at interpulse intervals greater than 1 to 2 ms.

Keywords

Energy Spectrum Opposite Polarity Bottlenose Dolphin Polarity Spectrum Interpulse Interval 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literature Cited

  1. Dubrovsky, N. A., Krasnov, P. S., and Titov, A. A., 1978, Auditory discrimination of acoustic stimuli with different phase structures in a bottlenose dolphin (in Russ.), in: “Morskiye Mlekopitayishiye” (“Marine Mammals”), Moscow, pp.114–115.Google Scholar
  2. Johnson, R. A., Moore, P. W. B., Stroermer, M. W., Pawlosky, J. L., and Anderson, L. C., 1988, Temporal order discrimination within the dolphin critical interval, in: “Animal Sonar. Processes and Performance”, P. E. Nachtigall and P. W. B. Moore, eds., Plenum Press, N.Y., pp. 317–321.CrossRefGoogle Scholar
  3. Ronken, D. A., 1970, Monaural detection of a phase difference between clicks, J. Acoust. Soc. Amer., 47:1091–1099.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • Gennady L. Zaslavsky
    • 1
  • Mikhail A. Polyakov
    • 1
  1. 1.Karadag Department of Institute of Biology of Southern SeasCrimeaUkraine

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