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Thèses sur le sujet « Vocalization »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 25 juillet 2025

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1

Geest, Trijntje Teixeira de Lima van den. "Vocalization in saxophone class." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/15343.

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Mestrado em Ensino de Música<br>Initiating saxophone students often demonstrate difficulties in playing with a consistent sound. In addition, many initiating music students demonstrate difficulties with imagining the music before they play it. Consequently, their performances lack musical interpretation. The aim of this educational project is to develop a vocalization method in order to help initiating saxophone students to improve their tone quality and the use of articulation and dynamics, by singing and playing with vowels and consonants.<br>Alunos iniciantes de saxofone demonstram po

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Hazlett, Emily G. "Vocalization processing across amygdalar populations." Kent State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=kent1563885605313261.

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Ferreira, Marna. "Evolutionary implications of variation in the calling song of the cricket Gryllus bimaculatus De Geer (Orthoptera : Gryllidae)." Diss., University of Pretoria, 2006. http://hdl.handle.net/2263/23394.

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Soendjoto, Mochamad Arief. "Vocalization behavior of captive loggerhead shrikes (Lanius ludovicianus excubitorides)." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23427.

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Vocalization behavior of captive loggerhead shrikes was studied at the Avian Science and Conservation Centre of McGill University. In the first stage, calls of two pairs kept in indoor cages were individually recorded not only to catalogue these calls spectrographically and quantitatively but also to use them in identifying the birds sexually. Males vocalized 21 call figures for 16.50% of the observation time and females, 8 call figures for 2.64% of the observation time. Males contiguously delivered 1 to 11 bouts with a mean of 7.25 min for a rate of 6.06 bouts/h; females delivered 1 to 9 bout

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5

Coveyduck, Susan. "Vocalization and its effect on the intonation of a beginning instrumentalist." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0004/MQ34934.pdf.

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Boisseau, Oliver, and n/a. "The acoustic behaviour of resident bottlenose dolphins in Fiordland, New Zealand." University of Otago. Department of Marine Science, 2005. http://adt.otago.ac.nz./public/adt-NZDU20060728.140213.

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The bottlenose dolphin Tursiops truncatus is an extremely well-studied species. We have an extensive knowledge of certain aspects of their vocal behaviour, particularly from captive contexts. Bottlenose dolphins produce a rich tapestry of vocalisations, however, which have historically received minimal attention. Resident groups of bottlenose dolphins frequent the waterways of Fiordland in southwest New Zealand. These deep, sheltered fiords are ideally suited for acoustic studies. This thesis presents the first detailed study of bottlenose dolphin acoustics in New Zealand. Both narrowband and

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7

Maiwald, Patrick [Verfasser]. "The vocalization of semivowels in medieval English : a quantitative study / Patrick Maiwald." Gießen : Universitätsbibliothek, 2017. http://d-nb.info/1140734989/34.

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Rodrigues, Vanessa Filipa Santos. "Vocalization repertoires variation of Red-billed Chough (Pyrrhocorax pyrrhocorax) population in Portugal." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/21457.

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Mestrado em Ecologia Aplicada<br>Ecological changes in the habitats, induced by climate change or the new paradigms of land use, have had enormous effects in the distribution of species, from the fragmentation of the populations to changes on the genome and/or their behavior. In the case of birds, these constraints may cause changes in vocal repertoires among isolated populations. It was recently confirmed that the two last populations of Red-billed Chough (Pyrrhocorax pyrrhocorax) resident in Portugal (populations of the Serra d'Aire e Candeeiros and Sagres) have an apparent gene-flow restric

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Scherer, Nancy J., A. Lynn Williams, and Kerry Proctor-Williams. "Early and Later Vocalization Skills in Children with and Without Cleft Palate." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etsu-works/1774.

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Summary Objective The purpose of this study was to describe the early vocalization skills in children with cleft lip and palate (CLP) at 6 and 12 months of age and compare these early vocalization measures to later speech and vocabulary development at 30 months of age. Methods The participants in the study included 13 children without cleft lip or palate (NCLP) who were typically developing and 13 children with CLP matched for age, gender and socioeconomic status. Standardized measures of cognition, language, hearing, and prelinguistic vocalization measures were administered at 6 and 12 months

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Burgdorf, Jeffrey. "THE NEUROBIOLOGY OF 50-KHZ VOCALIZATIONS IN RATS." Bowling Green State University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1131386335.

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Grašytė, Gintarė. "Žvirblinės pelėdos (Glaucidium passerinum L.) buveinių pasirinkimas ir vokalizacijos sąlygos." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2012~D_20140704_171934-73661.

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Žvirblinė pelėda yra plačiai paplitusi, tačiau visame areale saugoma rūšis. ES šalyse šios rūšies apsaugai steigiamos specialios saugomos teritorijos, kuriose pagal Paukščių direktyvą vykdomas rūšies monitoringas. Tačiau iki šiol nėra kiekybiškai analizuotos žvirblinės pelėdos buveinės bei nežinoma, kokiomis sąlygomis ši pelėda dažniausiai vokalizuoja. Todėl šio tyrimo tikslas buvo išanalizuoti žvirblinės pelėdos buveinių pasirinkimą ir vokalizacijos sąlygas. Žvirblinės pelėdos makrobuveinės (200 ha kvadratai, kuriuose 2005-2011 m. buvo fiksuotos žvirblinės pelėdos) darbo metu buvo palygintos

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Hosemann, Aimee Jean. "EFFECTS OF HABITAT DENSITY AND OTHER VARIABLES ON THE FUNDAMENTAL FREQUENCY OF THE NONHUMAN PRIMATE LONG CALL." OpenSIUC, 2008. https://opensiuc.lib.siu.edu/theses/414.

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Long calls are highly stereotyped calls used by primates to communicate across distances; the function of these calls has been debated. Goustard (1983:405) defines them as " ... an extended utterance which has a high degree of structural organization." Habitat structure has been considered a shaping force of the acoustic structure of nonhuman primate long calls as part of the local adaptation hypothesis (Brown et al. 1995). This study examines the effect of phylogeny, habitat density, diet, and social and mating systems as seen through the structure of the fundamental frequency (the lowest fre

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13

Xia, Lu. "FATHERS' LANGUAGE INFLUENCE ON THEIR SIX-MONTH-OLD INFANTS' VOCALIZATION DURING FREE-PLAY." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2142.

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Data for this study were derived from videotapes of 26 father-infant dyads, specifically from a five minute period of free-play. The first step was the creation of a literal transcription of the father-infant dyads interaction. Subsequently, nine variables of fathers' language characteristics and one infant characteristic were coded employing the literal transcriptions and observing the videotapes. The fathers' language variables were number of : (1) father utterances, (2) father words, (3) father contingent responses, (4) father teaching utterances, (5) father descriptive teaching utterances,

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Scherer, Nancy J., Sarah Boyce, and Gerri Martin. "Pre-Linguistic Children with Cleft Palate: Growth of Gesture, Vocalization, and Word Use." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etsu-works/1534.

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Children with cleft lip and/or palate show early delays in speech and vocabulary development that may have an impact on later communication and social development. While delays in the complexity of babbling may put children at risk for later delays in speech and language development, there is considerable variability in development. This study focused on the rate of children's communication acts, canonical vocalizations, and word use as they made the transition from the pre-linguistic to linguistic development. The study included 15 children with non-syndromic cleft lip and/or palatewho were s

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Chehayeb, Diala. "Factors affecting amphetamine-induced 50 kHz ultrasonic vocalizations in adult rats." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112388.

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Adult rats produce two main types of ultrasonic vocalizations (USVs), occurring at 22 and 50 kHz USVs. These calls are associated with aversive and rewarding stimuli, respectively. The neural mechanism of amphetamine-induced calling was examined in lesion and antagonist studies. We also tested whether amphetamine-induced 50 kHz USVs could predict individual differences in intravenous self-administration or conditioned place preference behavior. Further experiments examined whether 50 kHz USVs could be evoked by amphetamine-conditioned sensory stimuli and by rewarding electrical brain stimulati

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Kulander, Olivia Clare. "Whence and Whither: Acoustic Variability and Biogeography of Tarsiers in North Sulawesi." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4360.

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The morning duet calls of eastern tarsiers (Tarsius spp.) in North Sulawesi were recorded and analyzed to examine the effects of geography and geologic history on their call structure. Tarsius species exhibit interspecifically variable duet calls shown to correlate with species differentiation and distribution. They are distributed across Sulawesi, a biogeographically complex island in the Indonesian archipelago, where tectonic activity and multiple glaciations during the Pleistocene generated and modified barriers to their dispersal and gene flow. Recordings were made at ten locations from No

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Irlandini, Isabella Azevedo. "A voz no teatro de animação : artificialidade e síntese vocal." Universidade do Estado de Santa Catarina, 2013. http://tede.udesc.br/handle/handle/1276.

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Made available in DSpace on 2016-12-08T16:51:59Z (GMT). No. of bitstreams: 1 114037.pdf: 2441864 bytes, checksum: b9e78a3d20e9a224a0d901ebb9cb39e0 (MD5) Previous issue date: 2013-09-12<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This research focuses on the voice in Puppet Theater a term that embraces different kinds of performances, characterized by hybridity and the dynamics of the animate/inanimate present in Puppet Theater, Mask Theater, Shadow Puppetry, Visual Theater, etc. The voice is approached, in Puppet Theater, as a creator of presence and meaning, accordin

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18

Lea, Brian N. "Ultrasonic vocalization in prairie voles (Microtus ochrogaster) : evidence for begging behavior in infant mammals? /." Electronic version (PDF), 2006. http://dl.uncw.edu/etd/2006/leab/brianlea.pdf.

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Carrion, Deva P. "Examining the utility of implementing stimulus-stimulus pairing as the first step to build and echoic repertoire." Diss., University of Iowa, 2018. https://ir.uiowa.edu/etd/6386.

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The present study investigated the use of stimulus-stimulus pairing (SSP) as the first step to build an echoic repertoire with children with no vocal communication skills. We began with echoic probes to establish the child did not have the target sound in their echoic repertoire, then implemented SSP to increase the rate of the target vocalization, and systematically added direct reinforcement, and a delay, until the participant responded in 80% of trials; we then implemented echoic training. We conducted this procedure with 3 young children with autism. This procedure was effective for one of

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20

Le, Roux Aliza. "The alarm vocalizations of Brants' whistling rat, Parotomys Brantsii." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52481.

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Thesis (MSc)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: The alarm calls of a colonial rodent, Brants' whistling rat (Parotomys brantsii), were investigated at Goegap Nature Reserve in the Northern Cape, South Africa. At this site P. brantsii occurs in sympatry with the congeneric P. littledalei, and the alarm calls in response to humans was compared between the two species. Parotomys brantsii's typical call in reaction to a human is a simple whistle, characterized by an initial upward frequency sweep and high frequency plateau, whereas the alarm whistle of P. littledalei has th

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Scherer, Nancy J., Sarah Boyce, and G. Martin. "Longitudinal Analysis of Rates of Gesture, Vocalization and Word use in Toddlers with Cleft Palate." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/1537.

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au, turtle111@aapt net, and Jacqueline Giles. "The underwater acoustic repertoire of the long-necked, freshwater turtle Chelodina oblonga." Murdoch University, 2005. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20061121.103729.

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The major question addressed by this project was to determine if the long-necked, freshwater turtle Chelodina oblonga, vocalise underwater and whether their vocal activity could be related to behavioural or ecological aspects of their lives. These turtles often live in wetlands where visibility is restricted due to habitat complexity or light limitation caused by factors such as tannin-staining, or turbidity. For many aquatic animals, sound is a useful means of communication over distances beyond their visual acuity. This thesis gives the first detailed account of the underwater vocal repertoi

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Couroux, Christina. "Neighbor-stranger discrimination and individual recognition by voice in the American redstart (Setophaga ruticilla)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0027/MQ37111.pdf.

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Grünloh, Thomas, and Ulf Liszkowski. "Prelinguistic vocalizations distinguish pointing acts." Cambridge University Press, 2015. https://tud.qucosa.de/id/qucosa%3A39052.

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The current study investigated whether point-accompanying characteristics, like vocalizations and hand shape, differentiate infants’ underlying motives of prelinguistic pointing. We elicited imperative (requestive) and declarative (expressive and informative) pointing acts in experimentally controlled situations, and analyzed accompanying characteristics. Experiment 1 revealed that prosodic characteristics of point-accompanying vocalizations distinguished requestive from both expressive and informative pointing acts, with little differences between the latter two. In addition, requestive point

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Watson, Peter J. "Effects of abdominal trussing on breathing, vocalization, and speech in persons with cervical spinal cord injury." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282834.

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Abdominal trussing has been advocated for a number of years as a method to improve speech in persons with paralyzed or weak muscles of the breathing apparatus. There have been a few studies that have examined the effect of abdominal trussing on speech and voice. However, these studies have had little experimental control. For this study, two experiments were undertaken to examine the effect of abdominal trussing in men with a cervical spinal cord injury on breathing, vowel prolongation and reading. For both experiments, a special trussing device and procedure where developed to have maximum co

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Burke, da Silva Karen. "Antipredator calling by the eastern chipmunk, Tamius striatus." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=68157.

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Chipmunk antipredator calls were examined during the summers of 1990 and 1991. The structural characteristics of the three calls, chipping, chucking and the trill, were obtained through taped recordings and sonagraphic analysis. Behavioural observations indicated that chucking by choruses of individuals occurs in the presence of aerial predators, chipping by choruses of individuals occurs in the presence of terrestrial predators and the trill is given by single individuals when fleeing from predators.<br>Experiments were carried out to determine the function of the trill and chipping. Demograp

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Gridley, Teresa. "Geographic and species variation in bottlenose dolphin (Tursiops spp.) signature whistle types." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/1910.

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Geographic variation in the whistle vocalisations of dolphins has previously been reported. However, most studies have focused on the whole whistle repertoire, with little attempt to classify sounds into biologically relevant categories. Common bottlenose dolphins (Tursiops truncatus) use individually distinctive signature whistles which are thought to help maintain contact between conspecifics at sea. These whistles may show a different kind of variation between populations than non-signature whistles. Here I investigate signature whistle use and variation in the two recognised species of bot

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Eldridge, Jacob Douglas. "A Comparison of Current Anuran Monitoring Methods with Emphasis on the Accuracy of Automatic Vocalization Detection Software." TopSCHOLAR®, 2011. http://digitalcommons.wku.edu/theses/1122.

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Currently, a variety of methods are available to monitor anurans, and little standardization of methods exists. New methods to monitor anurans have become available over the past twenty years, including PVC pipe arrays used for tree frog capture and Automated Digital Recording Systems (ADRS) used to remotely monitor calling activity. In addition to ADRS, machine-learning computer software, automated vocalization recognition software (AVRS), has been developed to automatically detect vocalizations within digital sound recordings. The use of a combination of ADRS and AVRS shows the promise to re

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Dencev, Aurelia. "An ascending cholinergic projection to the basal forebrain involved in the initiation of ultrasonic vocalization in the rat." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0002/MQ42238.pdf.

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Lagorio, Amy D. "AMPHIBIAN VOCALIZATION: IMPLICATIONS OF A NOVEL LARYNGEAL MUSCLE IN THE CALLING MECHANISMS OF THE TÚNGARA FROG ENGYSTOMOPS PUSTULOSUS." Scholarly Commons, 2020. https://scholarlycommons.pacific.edu/uop_etds/3683.

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The current functional model of the anuran larynx includes four pairs of laryngeal muscles. Their contractions do not account, however, for the behavioral control of call complexity observed in male túngara frogs (Engystomops pustulosus), which optionally add a secondary note with distinct harmonic structure to their advertisement call. Examination of the túngara frog's laryngeal morphology through dissection, microtomography, and resin histology has revealed that the m. dilatator laryngis is divided into two separate bundles (superficial and deep). The superficial bundle closely matches th

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Awasthi, Smita. "Emergence of vocalization in non vocal children with a diagnosis of autism : building an evidence base for interventions." Thesis, Queen's University Belfast, 2017. https://pure.qub.ac.uk/portal/en/theses/emergence-of-vocalization-in-non-vocal-children-with-a-diagnosis-of-autism-building-an-evidence-base-for-interventions(e0005530-9415-4229-88fd-6dce404962a1).html.

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The current study spanning 6 years 8 months reviewed technologies developed for emergence of speech in non-vocal children with autism. A total 144 children were selected of whom 126 met the inclusion criteria and completed the study. Non-vocal children between ages 1.4-13.5 years participated in four experiments that used delayed multiple baseline design across subjects. Mastery criteria for vocalization for each participant was n=7 first instances of speech. Experiment 1 studied the role of stimulus-stimulus pairing (SSP) during sign-mand training on vocal emergence in 58 participants of whom

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Mizuguchi, Daisuke. "Underwater vocal repertoire and their function in three ice-breeding seals in the Arctic." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215373.

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Hay, Timothy D. "Variation in advertisement call structure of whistling frogs." Thesis, University of Canterbury. Zoology, 1994. http://hdl.handle.net/10092/1517.

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Variation in advertisement call structure of whistling frogs, Litoria ewingi, was studied among breeding sites in the vicinity of Christchurch on the East coast and Harihari on the West coast of the South Island. Males vocalized in breeding choruses throughout the year and females moved toward and appeared to evaluate calls of territorial males before initiating amplexus. Acoustic interactions between neighbours led to modification of call structure and timing, and wrestling matches between males were frequent. I quantified call structure for 1623 calls of 168 individuals using 24 call paramet

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Digweed, Shannon Marie, and University of Lethbridge Faculty of Arts and Science. "The functions and mechanisms of predator-associated vocalisations in North American red squirrels (Tamiasciurus Hudsonicus)." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Psychology, c2009, 2009. http://hdl.handle.net/10133/2474.

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North American red squirrels are a solitary, territorial species that confront various predators. Previous research proposed that squirrels produce predator-specific, referential ‘seet’ and ‘bark’ alarm calls to aerial and ground predators, respectively. To test this hypothesis, I examined alarm call production during natural encounters with predators, conspecific intruders and in a series of predator simulation experiments. Call production patterns were consistent across all types of disturbance and involved protracted bouts where both call types were inter-mixed. Hence, the call types were n

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Bernstein, Gabrielle. "Glidevowel alternation in Biblical Hebrew." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65473.

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Bonenfant, Marjolaine. "Escape and vocal responses of eastern chipmunks (Tamias striatus) to simulated aerial predator attack." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23989.

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The behaviours of eastern chipmunks (Tamias striatus) in response to aerial predators were studied in the field using trained kestrels (Falco sparverius) flying over a food patch where animals of known gender, age and burrow location categories were foraging. Their typical response was to flee toward a nearby refuge while producing a trill. After a few seconds, chipmunks usually emerged and started to produce long (but sometimes interrupted) series of chucks while facing the predator. Acoustical analysis showed that the trill consisted of a rapid series of usually high pitched and variable not

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Stuby, Richard George Jr. "A stochastic measure of similarity between dolphin signature whistles." Thesis, Virginia Tech, 1993. http://hdl.handle.net/10919/31408.

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Bottlenose dolprlin (Tursiops trunratus) whistles are currently studied by subjective visual comparison of whistle spectrograms. This thesis describes the novel use of stochastic modeling to automate the comparison of dolphin whistles and to yield an objective, quantitative measure of whistle similarity. The relationship of bottlenose dolphin whistle production to a model of human speech production is discussed, providing a basis for the use of human speech recognition techniques for creating whistle models. Discrete hidden Markov models based on vector quantization of linear prediction coe

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Woolley, Sarah Margaret Nicolay. "Auditory feedback and song behavior in adult Bengalese finches /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/10653.

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Fenzl, Thomas. "Differentiated roles of the periaqueductal gray and the paralemniscal area on vocalization in the new world bat Phyllostomus discolor." Diss., lmu, 2003. http://nbn-resolving.de/urn:nbn:de:bvb:19-14231.

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Dazey, Jennifer. "Influence of Daily Electrical Stimulation of Periaqueductal Grey on Vocalization and Depressive-like Behavior during Separation in Guinea Pigs." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1355011112.

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Pereira, da Cruz Benetti Lucia. "Infant vocal imitation of music." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492408461186887.

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Freeman, Angela Rose. "Vasopressin and Social Behavior in Richardson's Ground Squirrels." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1480353729694591.

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Melcon, Matthew Clinton 1957. "Effect of age on laryngeal airway resistance during vowel production." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276751.

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An investigation was conducted to determine if laryngeal valving economy, as reflected in measures of laryngeal airway resistance during vowel production, varies across adulthood. Toward this end, sixty healthy men were studied, ten from each of six age groups--25, 35, 45, 55, 65, and 75 years (± 2 years). Results showed that there are age-related differences in laryngeal airway resistance during vowel production, and that these differences are characterized by a lower mean resistance in 75-year-old men than in younger men of the ages studied. This finding provides insight into mechanisms rega

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Samarra, Filipa Isabel Pereira. "Functional design and use of acoustic signals produced by killer whales (Orcinus orca)." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/2564.

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This study aimed to investigate possible functions of the sounds produced by herring-eating killer whales in the Northeast Atlantic. In this study, I investigated the whistle repertoire of killer whales, which had previously only been studied in British Columbia, where it appeared to be restricted to the audible range. However, I show that high frequency whistles (> 17 kHz) were detected in Northeast Atlantic populations but not in Northeast Pacific populations. These results indicated substantial intraspecific variation in whistle production in killer whales. Little variation was observed in

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Candiotti, Agnès. "Social life and flexibility of vocal behaviour in Diana monkeys and other cercopithecids." Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/8171.

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Recent studies on the social life and vocal production, usage and comprehension of nonhuman primates have brought new insights into the evolutionary mechanisms of cognition and communication as well as the emergence of language. A key point in the current literature concerns the flexibility of vocal production. In contrast to humans, some birds and some cetaceans, vocal flexibility is thought to be very restricted in nonhuman primates, which creates a startling phylogenetic gap. At the same time, research has shown that a number of African forest guenons' alarm calls appear to have language-li

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Dunaway, Mark Allen. "Seasonal Territoriality in the Carolina Wren, Thryothorus ludovicianus, to Visual and Vocal Stimuli." Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etd/2208.

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Carolina Wrens, Thryothorus ludovicianus, are permanent residents throughout their range. They form pair bonds at a young age, maintain these bonds for multiple years, and defend feeding/breeding territories year round. Male Carolina Wrens use songs in territorial defense and have been shown to countersing regularly to both neighbors and intruders. They use various song characteristics to determine the location of another bird and whether its territory has been invaded. Wrens often approach playbacks silently in apparent searching behavior. In some cases, birds will investigate the playback bu

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Monteleone, Stephanie. "Writing A Way Out of the Chamber| Re-vocalization of Myth in the Works of Eudora Welty, Shirley Jackson, and Toni Morrison." Thesis, University of Louisiana at Lafayette, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10163283.

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<p> Tale and myth have a long history of reinforcing, commenting on, and often subverting the ideologies at work in the society where the stories are being told. This research explores the ways three American novels, Eudora Welty’s The Robber Bridegroom, Shirley Jackson’s We Have Always Lived in the Castle, and Toni Morrison’s The Bluest Eye, all incorporate variants of the fairytale Bluebeard: a fairytale which centers on domestic trauma. All three novels also re-vocalize the myth of Demeter and Persephone, and this re-vocalization serves to empower the female characters and

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Baldwin, Jeffrey W. Jr. "Determination of a Two-Week `Window’ for PCB Influence on Ultrasonic Vocalization and Other Behavioral Measures in Young Sprague-Dawley Rats." Bowling Green State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1404686457.

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Ricci, Gisele Dela. "Efeitos da climatização ambiental no comportamento e bem-estar de matrizes e leitões em maternidades livres de gaiolas." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/74/74131/tde-13022019-082413/.

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Suínos se adaptam às adversidades ambientais impostas pelo confinamento à partir de alterações fisiológicas e comportamentais e a inserção de climatizações simples podem melhorar o conforto e o bem-estar dos animais. O objetivo deste estudo foi avaliar os efeitos da climatização ambiental da maternidade livre de gaiolas, no comportamento e bem-estar de matrizes e leitões. Foram utilizadas 26 fêmeas e 281 leitões da linhagem Large White x Landrace, desmamados aos 21 dias, mantidos em dois tipos de ambiente: climatizado (ventilador e aspersor em telhado) e não climatizado (controle), no setor de

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Monteiro, Stefanny Christie Gomes. "Relações entre taxa de vocalização, níveis plasmáticos de corticosterona e imunocompetência em Hypsiboas albopunctatus (Spix, 1824)." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/41/41135/tde-10102013-152930/.

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De acordo com o modelo de seleção intersexual mediado por parasitas, variações nas condições de ornamentos ou taxa de displays sexuais refletem diferentes graus de resistência ao parasitismo. Em coros naturais de anfíbios, vocalizações mais altas, longas e complexas e/ou emitidas a maiores taxas são, provavelmente, mais facilmente detectadas e atraem mais fêmeas. Entretanto, o esforço vocal está positivamente relacionado aos níveis plasmáticos de esteróides potencialmente imunossupressores, tais como testosterona e corticosterona. O objetivo deste trabalho foi avaliar as relações entre taxa de

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