4pAB6. Canine acoustics. II. Frequencies, transmission, and annoyance.

Session: Thursday Afternoon, June 19

Author: Peter M. Scheifele
Location: Natl. Undersea Res. Ctr.,Univ. of Connecticut---Avery Point, Groton, CT 06340-6097, scheifel@uconnvm.uconn.edu
Author: David G. Browning
Location: Univ. of Rhode Island, Kingston, RI 02881
Author: Lesa M. Scheifele
Location: The Lost Ark, Inc., Norwich, CT 06360


In a previous paper [P. M. Scheifele and D. G. Browning, J. Acoust. Soc. Am. 100, 2710(A) (1996)] it was found that the source level for a howling Eastern Coyote is a relatively high 93 dB. At a primary frequency of 500 Hz this howl should have a strong signal throughout a typical territory (4x4 km) under normal atmospheric transmission conditions. Based on reported [H. E. Heffner, Behav. Neurosci. 97(2), 310--318 (1983)] canine hearing response, however, howls appear louder to humans than to canines. For low-frequency noise, such as from road traffic, the opposite is true. This brings up some interesting questions of mutual annoyance which will be discussed.

ASA 133rd meeting - Penn State, June 1997