Julie N. Oswald
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View article: A computational framework to characterize and compare the tonal repertoires of toothed whales
A computational framework to characterize and compare the tonal repertoires of toothed whales Open
Toothed whales, despite being one of the most acoustically specialized lineages of vertebrates, lack detailed vocal repertoire characterizations comparable to those of songbirds and primates. Current descriptions often lack standardization…
View article: Common dolphin whistle responses to experimental mid-frequency sonar
Common dolphin whistle responses to experimental mid-frequency sonar Open
Oceanic delphinids that occur in and around Navy operational areas are regularly exposed to intense military sonar broadcast within the frequency range of their hearing. However, empirically measuring the impact of sonar on the behavior of…
View article: Whistle repertoire and structure reflect ecotype distinction of pantropical spotted dolphins in the Eastern Tropical Pacific
Whistle repertoire and structure reflect ecotype distinction of pantropical spotted dolphins in the Eastern Tropical Pacific Open
View article: A Collection of Best Practices for the Collection and Analysis of Bioacoustic Data
A Collection of Best Practices for the Collection and Analysis of Bioacoustic Data Open
The field of bioacoustics is rapidly developing and characterized by diverse methodologies, approaches and aims. For instance, bioacoustics encompasses studies on the perception of pure tones in meticulously controlled laboratory settings,…
View article: Effects of duty cycles on passive acoustic monitoring of southern resident killer whale (<i>Orcinus orca</i>) occurrence and behavior
Effects of duty cycles on passive acoustic monitoring of southern resident killer whale (<i>Orcinus orca</i>) occurrence and behavior Open
Long-term passive acoustic monitoring of cetaceans is frequently limited by the data storage capacity and battery life of the recording system. Duty cycles are a mechanism for subsampling during the recording process that facilitates long-…
View article: Detection and Classification Methods for Animal Sounds
Detection and Classification Methods for Animal Sounds Open
Classification of the acoustic repertoires of animals into sound types is a useful tool for taxonomic studies, behavioral studies, and for documenting the occurrence of animals. Classification of acoustic repertoires enables the identifica…
View article: Species information in whistle frequency modulation patterns of common dolphins
Species information in whistle frequency modulation patterns of common dolphins Open
The most flexible communication systems are those of open-ended vocal learners that can acquire new signals throughout their lifetimes. While acoustic signals carry information in general voice features that affect all of an individual's v…
View article: Dolphin whistles can be useful tools in identifying units of conservation
Dolphin whistles can be useful tools in identifying units of conservation Open
Background Prioritizing groupings of organisms or ‘units’ below the species level is a critical issue for conservation purposes. Several techniques encompassing different time-frames, from genetics to ecological markers, have been consider…
View article: Acoustical News
Acoustical News Open
Editor's Note: Readers of this journal are encouraged to submit news items on awards, appointments, and other activities about themselves or their colleagues. Deadline dates for news and notices are 2 months prior to publication.
View article: Managing the Effects of Noise From Ship Traffic, Seismic Surveying and Construction on Marine Mammals in Antarctica
Managing the Effects of Noise From Ship Traffic, Seismic Surveying and Construction on Marine Mammals in Antarctica Open
The Protocol on Environmental Protection of the Antarctic Treaty stipulates that the protection of the Antarctic environment and associated ecosystems be fundamentally considered in the planning and conducting of all activities in the Anta…
View article: Whistle Classification of Sympatric False Killer Whale Populations in Hawaiian Waters Yields Low Accuracy Rates
Whistle Classification of Sympatric False Killer Whale Populations in Hawaiian Waters Yields Low Accuracy Rates Open
Funding for passive acoustic data collection during the shipboard cetacean line-transect surveys was provided by PIFSC, SWFSC, NOAA Fisheries Pacific Islands Regional Office, and NOAA Fisheries Office of Protected Resources (OPR) for HICEA…
View article: Acoustic classification of dolphins in the California Current using whistles, echolocation clicks, and burst pulses
Acoustic classification of dolphins in the California Current using whistles, echolocation clicks, and burst pulses Open
Passive acoustic monitoring of dolphins is limited by our ability to classify calls to species. Significant overlap in call characteristics among many species, combined with a wide range of call types and acoustic behavior, makes classific…
View article: Whistle characteristics and daytime dive behavior in pantropical spotted dolphins (<i>Stenella attenuata</i>) in Hawai‘i measured using digital acoustic recording tags (DTAGs)
Whistle characteristics and daytime dive behavior in pantropical spotted dolphins (<i>Stenella attenuata</i>) in Hawai‘i measured using digital acoustic recording tags (DTAGs) Open
This study characterizes daytime acoustic and dive behavior of pantropical spotted dolphins (Stenella attenuata) in Hawai‘i using 14.58 h of data collected from five deployments of digital acoustic recording tags (DTAG3) in 2013. For each …
View article: Whistle classification in the California Current
Whistle classification in the California Current Open
View article: Differences in oscillatory whistles produced by spinner (<i>Stenella longirostris</i>) and pantropical spotted (<i>Stenella attenuata</i>) dolphins
Differences in oscillatory whistles produced by spinner (<i>Stenella longirostris</i>) and pantropical spotted (<i>Stenella attenuata</i>) dolphins Open
Acoustic recordings of two closely related species, spinner dolphin ( Stenella longirostris ) and pantropical spotted dolphin ( Stenella attenuata ), were investigated from four different geographic locations: two in the Central Tropical P…