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- Title
Dolphins Underwater Sounds Database: Preliminary Analysis Results.
- Authors
Zhivomirov, Hristo; Nedelchev, Ivaylo
- Abstract
The present paper treats the signal recording and the preliminary analysis of the vocalization of five Caribbean bottlenose dolphins (Tursiops Truncates) in the controlled aquatic environment - a dolphinarium water pool. The data are taken using measurement equipment from the world's leading companies - Brüel&Kjær and National Instruments Corporation. All records have been denoised and segmented in advance so that only the vocal-active parts to be analyzed. The most representative part of the records and analysis results are deposited in one of world's most reputable databases - IEEE DataPort™, under the name "Dolphins Underwater Sounds Database". All analyses are conducted in the Matlab® environment, thus they include: signal oscillogram, overall frequency spectrum, time-frequency spectrogram, time-quefrency cepstrogram and also signal correlogram and amplitude histogram. The report is rich in figures that represent some of the most interesting results. Finally, some common conclusions are drawn, based on the analysis results, and along with considerations for feature work.
- Subjects
UNDERWATER acoustics; DOLPHINS; BOTTLENOSE dolphin; FREQUENCY spectra; DATABASES
- Publication
TEM Journal, 2020, Vol 9, Issue 4, p1426
- ISSN
2217-8309
- Publication type
Article
- DOI
10.18421/TEM94-14