Greyhound Racing Track Lure Systems—Acoustical Measurements within and Adjacent to the Starting Boxes

This study investigates and compares the acoustic signatures of a traditional wire-cable-pulled lure system and two alternative battery-operated lure systems jointly developed by Covey Associates Pty. Ltd. and Steriline Pty. Ltd. to eliminate the hazardous steel-wire cable and make the sport of grey...

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Bibliographic Details
Published in:	Technologies (Basel) Vol. 9; no. 4; p. 74
Main Authors:	Eager, David, Halkon, Benjamin, Zhou, Shilei, Walker, Paul, Covey, Kevin, Braiden, Stephen
Format:	Journal Article
Language:	English
Published:	Basel MDPI AG 01-12-2021
Subjects:	Acoustic measurement Acoustics battery-operated lure system Boxes cable-less lure Covey Associates Dog racing Frequency analysis Frequency domain analysis greyhound racing Greyhounds Microphones Nylon Racing Rollers Software Sound Steriline Racing Wire wire-cable-pulled lure system Australia
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Summary:	This study investigates and compares the acoustic signatures of a traditional wire-cable-pulled lure system and two alternative battery-operated lure systems jointly developed by Covey Associates Pty. Ltd. and Steriline Pty. Ltd. to eliminate the hazardous steel-wire cable and make the sport of greyhound racing safer for greyhounds, participants and spectators. The acoustical measurements of these three lure systems were conducted at the Murray Bridge greyhound racing track. The lure sounds were measured by the high-frequency Brüel & Kjær (B&K) Type 4191 microphones for the 395 m and 455 m starts at two positions: within the starting box and on the track adjacent to the starting boxes. The measurements capture the sounds that the greyhounds hear before and after the opening of the starting box gate. The frequency-domain analysis and sound quality analysis were conducted to compare the lure sounds. It was found when the battery-lure was installed with all nylon rollers, it presented less sound energy and lower frequency than the traditional wire-cable-pulled lure. When two of the nylon rollers were replaced with steel rollers, the battery-operated lure emitted a louder and higher frequency sound than the traditional wire-cable-pulled lure. The different acoustic characteristics of these lure systems suggest future research is warranted on the reaction of greyhounds to different lure sounds, particularly their excitement level within the starting box as the lure approaches. This initial research also suggests some greyhounds may not clearly hear the battery-operated lure with all nylon rollers approaching the starting boxes and the timing of these greyhounds to jump may be delayed, particularly during high wind conditions.
ISSN:	2227-7080 2227-7080
DOI:	10.3390/technologies9040074