INSTINCT: Infrastructure for Noise and Soundscape Tolerant Investigation of Nonspecific Call Types

Woodrich, D.; Berchok, C.

doi:10.25923/7psk-jq02

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INSTINCT: Infrastructure for Noise and Soundscape Tolerant Investigation of Nonspecific Call Types

2020
By Woodrich, D. ; Berchok, C.
Series: NOAA Technical Memorandum NMFS-AFSC ; 412

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Personal Author:

Woodrich, D. ; Berchok, C.

Woodrich, D. ; Berchok, C. Less -
Corporate Authors:

United States. National Marine Fisheries Service ; Alaska Fisheries Science Center (U.S.)

United States. National Marine Fisheries Service ; Alaska Fisheries Science Center (U.S.) Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies) Less -
Description:

The Cetacean Assessment and Ecology Program (CAEP) passive acoustics group of the Alaska Fisheries Science Center’s (AFSC) Marine Mammal Laboratory (MML) analyzes passive acoustic data for the presence of cetaceans in Alaska waters. This analysis has historically been conducted manually, in large part due to the complexity of the calling repertoire of many cetacean species and tendency of high overlap of call types. Additionally, existing autodetection approaches have also performed poorly on simpler problems in our data due to high prevalence of recorder self-noise. Manual analysis protocol allows for the determination of binary species presence in several minute bins, allowing for efficient multi-species analysis at the expense of detail on call patterning and density. Extraction of individual calls requires additional fine-scale and labor-intensive processing and analysis. The custom software INSTINCT (Infrastructure for Noise and Soundscape Tolerant Investigation of Nonspecific Call Types) was developed in-house as a tool to extract individual calls of interest quickly and efficiently. It has been further developed to serve as a call type detector which can be applied to large datasets for a variety of applications.
Keywords:

[+]

Animal Sounds Cetacea Classification Computer Software Underwater Acoustics
Series:

NOAA Technical Memorandum NMFS-AFSC ; 412
DOI:

https://doi.org/10.25923/7psk-jq02
Document Type:

Technical Memorandum
Place as Subject:

Alaska ; United States ; North Pacific Ocean

Alaska ; United States ; North Pacific Ocean Less -
Rights Information:

Public Domain
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Submitted
Main Document Checksum:

[+]

urn:sha256:bc20bbb91856adadce92958daa144843565b47c70643d103c377d3ff13d5c812
Download URL:

https://repository.library.noaa.gov/view/noaa/27222/noaa_27222_DS1.pdf
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INSTINCT: Infrastructure for Noise and Soundscape Tolerant Investigation of Nonspecific Call Types

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