This paper introduces a specific database of audio events related to hunting wild elephants by poachers in open nature. Generally, collecting appropriate data with ground truth is a very time-consuming task. There are not many available databases of gunshots that can be used for research. This database contains gunshots, other sounds to express local audio diversity, and mixtures of these. The relatively small variability of gunshot signals together with the variability of extracted features were statistically evaluated. Gunshot detections were estimated using four basic feature sets separately. The created database is appropriate for developing methods of automatic gunshot detection from continuous audio signals that are suitable for implementation in low-power remote-monitoring systems. Some selected recordings from the database are free to be downloaded and other records are available from the authors.
Hrabina, Martin; Sigmund, Milan
Affiliation: Brno University of Technology, Brno, Czech Republic
JAES Volume 67 Issue 1/2 pp. 54-59; January 2019
Publication Date: January 31, 2019
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