Masked tonal hearing thresholds in the beluga whale

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1989 English Publisher:Acoustical Society of America (ASA)Journal:The Journal of the Acoustical Society of America, volume 85, pages 2,651-2,654 (issn: 0001-4966, eissn: 1520-8524,

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Authors: C S, Johnson; M W, McManus; D, Skaar;

doi: 10.1121/1.397759

pmid: 2745885

Masked tonal hearing thresholds in the beluga whale

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Abstract

Masked tonal thresholds were measured for a beluga whale at one noise level and 32 frequencies between 40 Hz and 115 kHz. Critical ratios were estimated and compared with those previously measured for the bottlenose dolphin. Beluga whale critical ratios were found to be about 3 dB lower than those of the bottlenose dolphin. Absolute tonal thresholds were extended below previous measurements to 40 Hz.

Related Organizations

United States Department of the Navy
United States
Naval Information Warfare Center Pacific
United States

Keywords

Acoustic Stimulation, Whales, Animals, Auditory Threshold, Female, Cetacea, Perceptual Masking

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