NDLI: Event detection of underwater acoustic data from MACHO hydrophone

Content Provider	IEEE Xplore Digital Library
Author	Yin-Ying Fang Meng-Chu Liu Shih-En Chou Chifang Chen Chien-Kang Huang
Copyright Year	2013
Description	Author affiliation: Dept. of Eng. Sci. & Ocean Eng., Nat. Taiwan Univ., Taipei, Taiwan (Yin-Ying Fang; Meng-Chu Liu; Shih-En Chou; Chifang Chen; Chien-Kang Huang)
Abstract	This paper presents an automated event detector of long time series of hydrophone data from Marine Cable Hosted Observatory (MACHO) system installed by the Central Weather Bureau in the offshore region of Taiwan's northeast coast. The detector includes time-varying ambient noise level estimation via SEL (Sound Exposure Level per second) and Leq (equivalent continuous sound level, averaged over 30 seconds), and an energy detector with the estimated ambient noise level as threshold. A user friendly UI (user interface) is written to enhance the utilization. A full year of data are analyzed with the detector, and the results are satisfactory in the robustness the detection rate and the efficiency of analysis of large amount of data.
Sponsorship	Japan Council OE Chapt.
Starting Page	1
Ending Page	6
File Size	1075252
Page Count	6
File Format	PDF
ISBN	9781467359481
e-ISBN	9781467359498
DOI	10.1109/UT.2013.6519887
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-03-05
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise Sonar equipment Spectrogram Ocean temperature Detectors Parallel processing Time-frequency analysis
Content Type	Text
Resource Type	Article

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