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693 results for “vocalizations”
Fine-grained Vocal Imitation Set
<p>This dataset includes 763 vocal imitations of 108 sound events. The sound event recordings were taken from a subset of Vocal Imitation Set (<a href="http://zenodo.org/record/1340763">zenodo.org/record/1340763</a>). While the original VocalImitationSet only contains vocal imitations of a single reference recording per class, this new dataset contains vocal imitations of multiple reference recordings per class. Class names and filenames in this dataset are matched with the VocalImitationSet. Read the following paper to get more detailed information about VocalImitationSet.</p> <p>[<a href="https://interactiveaudiolab.github.io/assets/papers/DCASE2018_Kim.pdf">pdf</a>] Bongjun Kim, Madhav Ghei, Bryan Pardo, and Zhiyao Duan, "Vocal Imitation Set: a dataset of vocally imitated sound events using the AudioSet ontology," *Proceedings of the Detection and Classification of Acoustic Scenes and Events 2018 Workshop (DCASE2018)*, Nov. 2018.</p> <p>Contact Info:</p> <p>- Interactive Audio Lab: <a href="http://music.eecs.northwestern.edu/">http://music.eecs.northwestern.edu</a></p> <p>- Bongjun Kim <a href="mailto:bongjun@u.northwestern.edu">bongjun@u.northwestern.edu</a> | <a href="http://www.bongjunkim.com/">http://www.bongjunkim.com</a></p> <p>- Bryan Pardo <a href="mailto:pardo@northwestern.edu">pardo@northwestern.edu</a> | <a href="http://www.bryanpardo.com/">http://www.bryanpardo.com</a></p>
Figure 3 in Hybridisation or vocal mimicry? A case of a mixed singing River Warbler Locustella fluviatilis in eastern Poland
Figure 3. Sonogram image comparison. River Warbler typical song – single note longer, main frequency spectrum wider, harmonics visible as horizontal bars or waves, no double narrow sharp elements. Grasshopper Warbler typical song – single note shorter, main frequency spectrum narrower, no visible harmonics bars, double narrow sharp elements within each note. RW – River Warbler-type song of mixed singer; GW – Grasshopper Warbler-type song of mixed singer (recordings of the typical songs made by T. Ogrodowczyk, available in Kruszewicz, 2006).
Data from: Skin temperature changes in wild chimpanzees upon hearing vocalizations of conspecifics
A growing trend of research using infrared thermography (IRT) has shown that changes in skin temperature, associated with activity of the autonomic nervous system, can be reliably detected in human and non-human animals. A contact-free method, IRT provides the opportunity to uncover emotional states in free-ranging animals during social interactions. Here, we measured nose and ear temperatures of wild chimpanzees of Budongo Forest, Uganda, when exposed to naturally occurring vocalizations of conspecifics. We found a significant temperature decrease over the nose after exposure to conspecifics' vocalizations, whereas we found a corresponding increase for ear temperature. Our study suggests that IRT can be used in wild animals to quantify changes in emotional states in response to the diversity of vocalizations, their functional significance and acoustical characteristics. We hope that it will contribute to more research on physiological changes associated with social interactions in wild animals.
In vivo assessment of the neural substrate linked with vocal imitation accuracy
Human speech and bird song are acoustically complex communication signals that are learned by imitation during a sensitive period early in life. Although the brain areas indispensable for speech and song learning are known, the neural circuits important for enhanced or reduced vocal performance remain unclear. By combining in vivo structural Magnetic Resonance Imaging with song analyses in juvenile male zebra finches during song learning and beyond, we reveal that song imitation accuracy correlates with the structural architecture of four distinct brain areas, none of which pertain to the song control system. Furthermore, the structural properties of a secondary auditory area in the left hemisphere, are capable to predict future song copying accuracy, already at the earliest stages of learning, before initiating vocal practicing. These findings appoint novel brain regions important for song learning outcome and inform that ultimate performance in part depends on fac tors experienced before vocal practicing.
FIGURE 2 in The tadpole of Physalaemus soaresi Izecksohn, 1965 (Anura: Leptodactylidae), with comments on taxonomy, reproductive behavior, and vocalizations
FIGURE 2. Oral disc of Physalaemus soaresi tadpole, stage 33 (Gosner 1960).
Data from: The temporal organization of mouse ultrasonic vocalizations
House mice, like many tetrapods, produce multielement calls consisting of individual vocalizations repeated in rhythmic series. In this study, we examine the multielement ultrasonic vocalizations (USVs) of adult male C57Bl/6J mice and specifically assess their temporal properties and organization. We found that male mice produced two classes of USVs which displayed unique temporal features and arose from discrete respiratory patterns. Nearly all USVs were produced in repetitive series exhibiting a hierarchical organization and a stereotyped rhythmic structure. Furthermore, series rhythmicity alone was determined to be sufficient to mathematically discriminate the USVs of adult males from adult females and pups, underscoring the known importance of call timing in USV perception. Finally, the gross spectrotemporal features of male USVs were found to develop continuously from birth and stabilize by P50, suggesting that infant and adult USVs rely on common biological mechanisms. In conclusion, we demonstrate that the temporal organization of multielement mouse USVs is both stable and informative, and we propose that call timing be explicitly assessed when examining mouse USV production. Furthermore, this is the first report of putative USV classes arising from distinct articulatory patterns in mice, as well as the first to empirically define USV series and provide a detailed description of their temporal structure and development. This study therefore represents an important point of reference for the analysis of mouse USVs, a commonly used metric of social behavior in mouse models of human disease, and furthers the understanding of vocalization production in an accessible mammalian species.
Prenatal auditory learning in avian vocal learners and non-learners
<p>Understanding when learning begins is critical for identifying the factors that shape both the developmental course and the function of information acquisition. Until recently, sufficient development of the neural substrates for any sort of vocal learning to begin in songbirds was thought to be reached well after hatching. New research shows that embryonic gene activation and the outcome of vocal learning can be modulated by sound exposure in ovo. We tested whether avian embryos across lineages differ in their auditory response strength and sound learning in ovo, which we studied in vocal learning (Maluridae, Geospizidae) and vocal non-learning (Phasianidae, Spheniscidae) taxa. While measuring heart rate in ovo, we exposed embryos to (1) conspecific or heterospecific vocalisations, to determine their response strength, and (2) conspecific vocalisations repeatedly, to quantify cardiac habituation, a form of non-associative learning. Response strength towards conspecific vocalisations was greater in two species with vocal production learning compared to two species without. Response patterns consistent with non-associative auditory learning occurred in all species. Our results demonstrate a capacity to perceive and learn to recognise sounds in ovo, as evidenced by habituation, even in species that were previously assumed to have little, if any, vocal production learning.</p>
Babbling in a vocal learning bat resembles human infant babbling
<p>Babbling is a production milestone in infant speech development. Evidence for babbling in non-human mammals is scarce, preventing cross-species comparisons. Here, we investigate the conspicuous babbling behavior of <em>Saccopteryx bilineata</em>, a bat capable of vocal production learning. We analyzed babbling of 20 bat pups in the field during their 3-month ontogeny and compared its features to those that characterize babbling in human infants. Our findings demonstrate that babbling in bat pups is characterized by the same eight features as babbling in human infants, including the conspicuous features reduplication and rhythmicity. These unprecedented and striking parallels in vocal ontogeny between two mammalian species offer exciting future possibilities to compare the cognitive and neuromolecular mechanisms and adaptive functions of babbling in bats and humans.</p>
Figure 1 in Vocalization and territorial behaviour of Phyllomedusa nordestina Caramaschi, 2006 (Anura: Hylidae) from southern Bahia, Brazil
Figure 1. Male Phyllomedusa nordestina in calling position.
Figure 1 in Vocalizations of the Brazilian torrent frog Hylodes heyeri (Anura: Hylodidae): Repertoire and influence of air temperature on advertisement call variation
Figure 1. Advertisement call of Hylodes heyeri from the Municipality of Morretes, Parana´, Brazil. Recorded on 8 April 2002, at 21.7°C. (A) Power spectrum; (B) spectrogram; (C) oscillogram.
Cape fur seal vocal repertoire - acoustic parameters
<p>Communication is primordial for survival of animal species as signals are involved in many social interactions (mate selection, parental care, and collective behaviours). The acoustic channel is the primary modality used by birds and mammals to reliably exchange information among individuals. In group-living species, the propagation of vocal signals is limited due to the density of individuals and the background noise. Vocal exchanges are therefore challenging. This study is the first investigation into the acoustic communication system of the Cape fur seal (CFS), one of the most colonial mammals with breeding colonies of hundreds of thousands of individuals. We described the acoustic features and social function of five call types from data collected at two colonies. Intra-species variations in these vocalizations revealed their ability to convey information about the age and/or sex of the emitter. Using two classification methods, we also found that the five call types have distinguishable frequency features and occupy distinct acoustic niches indicating acoustic partitioning in the repertoire. The CFS vocalizations appear to contain characteristics advantageous for discrimination among individuals, which will enhance social interactions in their noisy and confusing acoustic environment. This study provides a basis for our understanding of the CFS acoustic communication system.</p>
vocadito: A dataset of solo vocals with f0, note, and lyric Annotations
<p>vocadito is a dataset of 40 short excerpts of solo, monophonic singing. The excerpts are sung in 7 different languages by singers with varying of levels of training, and are recorded on a variety of devices. For a detailed description, see the <a href="https://arxiv.org/pdf/2110.05580.pdf">technical report</a>.</p> <p>Annotations are labeled by trained musicians. For each excerpt, we provide:</p> <ul> <li>frame-level f0 annotations</li> <li>2 versions of note annotations (from 2 different annotators)</li> <li>lyrics</li> <li>language</li> </ul> <p>Python code for loading this dataset is included in <a href="https://github.com/mir-dataset-loaders/mirdata">mirdata</a>.</p>
Loss of vocal culture and fitness costs in a critically endangered songbird
<p>Cultures in humans and other species are maintained through interactions among conspecifics. Declines in population density could be exacerbated by culture loss, thereby linking culture to conservation. We combined historical recordings, citizen science and breeding data to assess the impact of severe population decline on song culture, song complexity and individual fitness in critically endangered regent honeyeaters (<i>Anthochaera phrygia</i>). Song production in remaining wild males varied dramatically, with 27 % singing songs that differed from the regional cultural norm. Occurring at low population density 12% of males completely failed to sing any species-specific songs and instead sang other species' songs. Atypical song production was associated with reduced individual fitness, as males singing atypical songs were less likely to pair and nest than males that sang the regional cultural norm. Songs of captive-bred birds differed from those of all wild birds. The complexity of regent honeyeater songs has also declined over recent decades. We therefore provide rare evidence that a severe decline in population density is associated with loss of vocal culture in a wild animal, with concomitant fitness costs for remaining individuals. Loss of culture may be a precursor to extinction in declining populations that learn selected behaviours from conspecifics, and therefore provide a useful conservation indicator.</p>
Gold Driftwood Vocal
<p>Gold Driftwood Vocal</p>
The impact of parasitic infection on acoustic communication and mate choice in two torrent frogs with nonlinear vocalization
<p><span>For frogs with linear vocalization, Hamilton and Zuk's hypothesis indicated that parasites adversely affect male sex characters and </span><span>parasite infection can result in sexual signals that are less intense or conspicuous than in healthy individuals, which causes females to prefer unparasitized over parasitized males. </span><span>In order to investigate the effects of parasite infection on vocal characteristics and mate choice in frogs, which can emit nonlinear phenomena calls (NLP). The calls of the two species of torrent male frog, namely the concave-eared torrent frog </span><span>(<em>Odorrana</em> <em>tormota</em>)</span><span> and the large odorous frog </span><span>(<em>Odorrana</em> <em>graminea</em>), </span><span>were recorded, and several vocal parameters (calling duration, calling rate, average fundamental frequency, NLP duration and NLP content) and parasite intensity were analyzed in detail. The results revealed a negative relationship between calling rate and parasite intensity and a positive relationship between NLP content and parasite intensity. Furthermore, the effects of parasite intensity on amplectant showed that parasite intensity from amplexed pairs was higher than that of solo males in the vicinity of the amplexus. This might be because both male frogs with higher parasite intensity can emit calls with higher NLP content, and it has been shown that females have a preference for high NLP content. </span><span>This study confirms that parasites can influence the NLP content in both torrent frog' calls, which in turn affects the host' mate choice. The current study suggests effects of parasite infection on mate choice in host frogs might be influenced by vocal manner, which provides new insight into the parasite-host relationship.</span></p>
Transcutaneous Laryngeal Ultrasound as an Alternative to Direct Flexible Laryngoscopy in Assessment of Vocal Cords
ClinicalTrials.gov study NCT06161467. IPD Sharing: Not stated. Countries: 0. Publications: 2.
Effect of Topical Lidocaine Spraying on the Vocal Cords Before Intubation During Robotic Surgery: a Randomized Controlled Trial
ClinicalTrials.gov study NCT07154628. IPD Sharing: NO. Countries: 1. Publications: 0.
Symptom Scoring for Predicting Vocal Cord Dysfunction (VCD)
ClinicalTrials.gov study NCT05114083. IPD Sharing: Not stated. Countries: 0. Publications: 5.
Brain Activation in Vocal and Motor Tics
ClinicalTrials.gov study NCT00026000. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Brain Activation During Simple Vocal Behaviors
ClinicalTrials.gov study NCT00071734. IPD Sharing: Not stated. Countries: 1. Publications: 3.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.