Skip to content

Research at St Andrews

Time of arrival difference estimation for narrow band high frequency echolocation clicks

Research output: Contribution to journalArticle

DOI

Open Access Status

  • Embargoed (until 23/04/20)

Abstract

Algorithms are presented for the accurate time of arrival difference estimation of high frequency narrow band echolocation clicks from Harbor Porpoise. These clicks typically have a center frequency of around 130 kHz (wavelength ∼1.2 cm) and duration of <0.1 ms. When using hydrophones spaced centimeters apart, spatial aliasing can cause large errors on inter-hydrophone timing measurements due to the incorrect peak in the cross-correlation function of two signals being selected. It is shown that at sample rates of less than about 6 times the fundamental frequency, the incorrect correlation peak will be selected in 55% of measurements leading to large errors in time of arrival estimates. For clicks with a SNR > 10 dB these errors can be reduced by over two orders of magnitude through a combination of up-sampling the data and parabolic interpolation of peaks in the cross-correlation functions.
Close

Details

Original languageEnglish
Pages (from-to)EL387-EL392
Number of pages7
JournalJournal of the Acoustical Society of America
Volume146
Issue number4
Early online date23 Oct 2019
DOIs
Publication statusPublished - Oct 2019

Discover related content
Find related publications, people, projects and more using interactive charts.

View graph of relations

Related by author

  1. Automated detection and tracking of marine mammals: a novel sonar tool for monitoring effects of marine industry

    Hastie, G. D., Wu, G-M., Moss, S., Jepp, P., MacAulay, J. D. J., Lee, A., Sparling, C. E., Evers, C. H. M. & Gillespie, D. M., 6 Sep 2019, In : Aquatic Conservation: Marine and Freshwater Ecosystems. 29, S1, p. 119-130

    Research output: Contribution to journalArticle

  2. Cetacean rapid assessment: an approach to fill knowledge gaps and target conservation across large data deficient areas

    Braulik, G. T., Kasuga, M., Wittich, A., Kiszka, J. J., MacAulay, J., Gillespie, D., Gordon, J., Said, S. S. & Hammond, P. S., Feb 2018, In : Aquatic Conservation: Marine and Freshwater Ecosystems. 28, 1, p. 216-230

    Research output: Contribution to journalArticle

  3. Acoustic monitoring to document the spatial distribution and hotspots of blast fishing in Tanzania

    Braulik, G., Wittich, A., MacAulay, J., Kasuga, M., Gordon, J., Davenport, T. R. B. & Gillespie, D., 15 Dec 2017, In : Marine Pollution Bulletin. 125, 1-2, p. 360-366

    Research output: Contribution to journalArticle

Related by journal

  1. Repeated downsweep vocalizations of the Araguaian river dolphin, Inia araguaiensis

    Melo-Santos, G., Walmsley, S. F., Marmontel, M., Oliveira-da-Costa, M. & Janik, V. M., Feb 2020, In : Journal of the Acoustical Society of America. 147, p. 748-756

    Research output: Contribution to journalArticle

  2. Vocal sequences in narwhals (Monodon monoceros)

    Walmsley, S., Rendell, L. E., Hussey, N. & Marcoux, M., 13 Feb 2020, In : Journal of the Acoustical Society of America. 147, p. 1078-1091

    Research output: Contribution to journalArticle

  3. Predicting acoustic dose associated with marine mammal behavioural responses to sound as detected with fixed acoustic recorders and satellite tags

    von Benda-Beckmann, A. M., Wensveen, P. J., Prior, M., Ainslie, M. A., Hansen, R. R., Isojunno, S., Lam, F. P. A., Kvadsheim, P. H. & Miller, P. J. O., 20 Mar 2019, In : Journal of the Acoustical Society of America. 145, 3, p. 1401-1416 16 p.

    Research output: Contribution to journalArticle

ID: 264468242

Top