The Remote Environmental Assessment Laboratory's Acoustic Library: An Archive for Studying Soundscape Ecology

Journal Article

Title: The Remote Environmental Assessment Laboratory's Acoustic Library: An Archive for Studying Soundscape Ecology
Publication Date:
November 01, 2012
Journal: Ecological Informatics
Volume: 12
Pages: 50-67
Publisher: Elsevier
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Document Access

Website: External Link

Citation

Kasten, E.; Gage, S.; Fox, J.; Joo, W. (2012). The Remote Environmental Assessment Laboratory's Acoustic Library: An Archive for Studying Soundscape Ecology. Ecological Informatics, 12, 50-67.
Abstract: 

Acoustic signals constitute a source of information that can be used to measure the spatial and temporal distributions of vocal organisms in ecosystems. Measuring and tracking those species that produce sounds can reveal important information about the environment. Acoustic signals have been used for many years to census vocal organisms. Moreover, acoustics can be used to compute indexes for measuring biodiversity and the level of anthropogenic disturbance. We developed the software and system that automate the process of cataloging acoustic sensor observations into the Remote Environmental Assessment Laboratory (REAL) digital library that can be accessed through a website. The REAL digital library enables access and analysis of collected acoustic sensor observations. We report on current library status and the mechanisms that enable the selection, extraction and analysis of acoustic data to support investigations on automating species census as well as measuring diversity and disturbance. We implemented numeric and symbolic search mechanisms and unsupervised learning techniques to ease retrieval of acoustic information, including recordings and processed data, pertinent to visitor goals.

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