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Journal articles on the topic 'Trill'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 May 2024

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1

Olson, Kenneth S. "The nonexistence of the plain bilabial trill phoneme." Proceedings of the Linguistic Society of America 7, no. 1 (2022): 5239. http://dx.doi.org/10.3765/plsa.v7i1.5239.

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Phonetic studies of bilabial trills in phonemic systems show that they are preceded immediately by an oral stop closure, e.g., /mbʙ, bʙ, pʙ̥/. A plain bilabial trill without a preceding oral stop closure /ʙ/ is not known to occur as an individual phoneme in any language. On the contrary, plain apical /r/ and uvular /ʀ/ trill phonemes that lack a preceding oral stop closure occur in many languages. The nonexistence of /ʙ/ is likely due to the fact that it does not meet the specific aerodynamic conditions necessary for its production (Maddieson 1989). In this paper, I examine a crosslinguistic s

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2

Chandramouli, Badrish, Jonathan Goldstein, Mike Barnett, et al. "Trill." Proceedings of the VLDB Endowment 8, no. 4 (2014): 401–12. http://dx.doi.org/10.14778/2735496.2735503.

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3

Doutrelant, Claire, Albertine Leitao, Maud Giorgi, and Marcel Lambrechts. "GEOGRAPHICAL VARIATION IN BLUE TIT SONG, THE RESULT OF AN ADJUSTMENT TO VEGETATION TYPE?" Behaviour 136, no. 4 (1999): 481–93. http://dx.doi.org/10.1163/156853999501432.

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AbstractIn birds, trill syntax (a trill is a long series of rapidly repeated identical notes) degrades more rapidly by dense vegetation than do syntax with wider spaced notes. Thus, selection might lead to avoidance of trill in dense vegetation. Blue tits (Parus caeruleus) show much geographical variation in the proportion of songs with and without trill and occupy two main types of vegetation while singing, i.e. open broad-leaved deciduous woodland before leaf development and closed evergreen woodland. Blue tit songs with trill are more common in open habitats. We hypothesised that blue tit s

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4

Igloria, Luisa. "Trill and Mordent." Missouri Review 27, no. 1 (2004): 13–14. http://dx.doi.org/10.1353/mis.2004.0015.

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5

Martin, Shannon D., David A. Gray, and William H. Cade. "Fine-scale temperature effects on cricket calling song." Canadian Journal of Zoology 78, no. 5 (2000): 706–12. http://dx.doi.org/10.1139/z99-262.

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The effects of temperature on the structure of cricket calling song were examined in the trilling field cricket Gryllus integer. A repeated-measures design was used to assess the effects of temperature and individual differences among males simultaneously. Temperature affected most aspects of calling song, specifically pulse length, interpulse length, peak frequency, trill length, intertrill length, and pulse duty cycle. Unaffected by temperature were the number of pulses per trill, the proportion of pulses missed within a trill, and the trill duty cycle. After controlling for temperature, sig

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6

Laine, Eric. "Vocal Trills: 18th-Century Performance Practice Considerations Viewed Through the Lens of 19th-Century Methods." Journal of Singing 80, no. 5 (2024): 519–31. http://dx.doi.org/10.53830/sing.00040.

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Abstract: Eighteenth-century vocal literature abounds with trills, so approaching this skill methodically is advised. This article includes a literature review of four eighteenth-century vocal treatises (Tosi, Agricola, Mancini, Hiller), which agree about the importance of mastering the trill, but neglect practical suggestions about how to develop it. Four nineteenth-century vocal methods (Vaccai, Panofka, Lütgen, Marchesi) are discussed, including plans for how to practice the trill. Mozart's opera Così fan tutte is utilized as a case study in the synthesis of vocal treatises and vocal method

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7

Henriksen, Nicholas. "Acoustic analysis of the rhotic contrast in Chicagoland Spanish." Linguistic Approaches to Bilingualism 5, no. 3 (2015): 285–321. http://dx.doi.org/10.1075/lab.5.3.01hen.

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This paper reports on an acoustic analysis of the phonemic tap-trill contrast (/ɾ/-/r/) for first and second generation speakers of Mexican Spanish who live in the Chicagoland area. First, it is shown that speakers most commonly produce phonemic trills with a single apical occlusion, although there is much individual variation. Second, nearly all speakers realize the tap-trill contrast by means of segmental duration, and this is especially true for speakers who favor zero or one closures in the phonemic trill. These data suggest that heritage speakers make use of the limits of phonetic variati

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8

Moore, George P. "Piano Trills." Music Perception 9, no. 3 (1992): 351–59. http://dx.doi.org/10.2307/40285556.

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Trills by skilled pianists were studied by using a piano in which the on-off timing and dynamic level (hammer velocity) of notes were recorded digitally. In addition, finger flexion-extension accelerations and elecromyographic (EMG) activity were monitored simultaneously and digitized. The data allow estimates to be made of joint angle, duration of contact between finger and key, and time from finger-key contact to note onset. Finger accelerations and EMG activity appear at characteristic phases of the trill cycle; their magnitude and timing depend on trill speed, dynamic level, and the locus

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9

Daidone, Danielle, and Sara Zahler. "A Variationist Analysis of Second Language Spanish Trill Production." Studies in Hispanic and Lusophone Linguistics 14, no. 1 (2021): 1–37. http://dx.doi.org/10.1515/shll-2021-2038.

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Abstract The current study examines the production of the Spanish trill by advanced second language (L2) learners using a variationist approach. Findings indicate that learners produced less multiple occlusion trills than native speakers and their variation was not constrained by the same factors as native speakers. Phonetic context conditioned the use of the multiple occlusion variant for native speakers, whereas frequency and speaker sex conditioned this variation for learners, and in the opposite direction of effect as expected from previous native speaker research. Nevertheless, the majori

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10

Cortes Kandler, Mariana. "Acoustic characterization of the Costa Rican Non-Standard Trills." Journal of the Acoustical Society of America 151, no. 4 (2022): A44. http://dx.doi.org/10.1121/10.0010603.

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This study characterizes the Costa Rican Spanish trill realizations acoustically, identifies the number of variants, and determines if they are acoustically distinguishable. Costa Rican trills typically lack vibration of the tongue tip and are thus categorized as ‘non-canonical’ compared to the normative rolled trill. Only impressionistic descriptions have been provided, posing challenges to comparisons across studies and dialects. Using Audacity, 18 speakers (9 female, M = 37.4) recorded their productions of 72 tokens containing the trill in word-initial/medial position and in stressed/unstre

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11

Henriksen, Nicholas. "Sociophonetic analysis of phonemic trill variation in two sub-varieties of Peninsular Spanish." Journal of Linguistic Geography 2, no. 1 (2014): 4–24. http://dx.doi.org/10.1017/jlg.2014.1.

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In this paper we provide a preliminary characterization of the phonemic trill (i.e., /r/) as produced by twenty-four speakers of northern and central Peninsular Spanish. The acoustic analysis revealed a considerable number of non-canonical variants containing one or zero apical occlusions. The quantitative results showed robust effects of the following three factors on trill articulation: Speaker dialect, gender, and preceding vowel. Regarding social factors, central Peninsular speakers and male speakers showed the greatest propensity to produce fewer occlusions per phonemic trill. Regarding l

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12

Hakes, Jean, Thomas Shipp, and E. Thomas Doherty. "Acoustic properties of straight tone, vibrato, trill, and trillo." Journal of Voice 1, no. 2 (1987): 148–56. http://dx.doi.org/10.1016/s0892-1997(87)80038-3.

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13

Mousa, Ahmed. "English /r/ in L2 and Pidgin/Creole Languages." International Journal of English Linguistics 10, no. 2 (2020): 367. http://dx.doi.org/10.5539/ijel.v10n2p367.

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This study aims to investigate how Arab L1 learners of English and speakers of the Broad Jamaican Creole cope with the production of the approximant /r/ preconsonantly, post vocalically and in Stop+/r/ clusters, according to the RP norm. To this end, a list of words containing the approximant in the above three environments was given to the two groups, to read. Their production was tape recorded and transcribed. The approximant was nearly totally produced as trill in the three environments by the Arab learners, though one learner managed to produce an American-like /r/ in addition to the trill

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14

Yamaguchi, Ayako, Jessica Cavin Barnes, and Todd Appleby. "Rhythm generation, coordination, and initiation in the vocal pathways of male African clawed frogs." Journal of Neurophysiology 117, no. 1 (2017): 178–94. http://dx.doi.org/10.1152/jn.00628.2016.

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Central pattern generators (CPGs) in the brain stem are considered to underlie vocalizations in many vertebrate species, but the detailed mechanisms underlying how motor rhythms are generated, coordinated, and initiated remain unclear. We addressed these issues using isolated brain preparations of Xenopus laevis from which fictive vocalizations can be elicited. Advertisement calls of male X. laevis that consist of fast and slow trills are generated by vocal CPGs contained in the brain stem. Brain stem central vocal pathways consist of a premotor nucleus [dorsal tegmental area of medulla (DTAM)

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15

Souroukis, Konstantine, William H. Cade, and Gareth Rowell. "Factors that possibly influence variation in the calling song of field crickets: temperature, time, and male size, age, and wing morphology." Canadian Journal of Zoology 70, no. 5 (1992): 950–55. http://dx.doi.org/10.1139/z92-135.

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The structure of the calling song of the Texas field cricket, Gryllus integer, was studied. Pulse rates, percentage of missed pulses within a trill, numbers of pulses per trill or trill lengths, and intertrill intervals were measured for males singing in the field and in the laboratory. All song parameters were variable and were distributed normally. Intertrill intervals were longer in the laboratory, but all other parameters were similar in laboratory and field populations. Pulse rates varied in a linear fashion with ambient temperature in the laboratory and field. The percentage of missed pu

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16

Restrepo-Ramos, Falcon. "Neutralization of the Tap/Trill Contrast in the Bilingual Creole-Spanish Community of the Archipelago of San Andres, Colombia." Íkala, Revista de Lenguaje y Cultura 27, no. 1 (2022): 126–52. http://dx.doi.org/10.17533/udea.ikala.v27n1a07.

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This study examines the segmental duration of non-vibrant rhotics in a language contact scenario in the Western Caribbean, where an English-based Creole co-exists with Spanish: The Archipelago of San Andres, Colombia. The unexplored phenomenon of the neutralization of the tap/trill contrast merits a thorough analysis to examine the effects of language contact in this Creole-Spanish bilingual population. To do this, the segmental duration of 619 non-vibrant, intervocalic taps and trills were compared in three generations of Raizal Spanish (the bilingual Spanish variety) and contrasted with the

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17

Dhananjaya, N., B. Yegnanarayana, and Peri Bhaskararao. "Acoustic analysis of trill sounds." Journal of the Acoustical Society of America 131, no. 4 (2012): 3141–52. http://dx.doi.org/10.1121/1.3688470.

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18

Powys, Vicki. "Weebill Vocalisations—An Undescribed Trill." Emu - Austral Ornithology 99, no. 4 (1999): 295–97. http://dx.doi.org/10.1071/mu99034c.

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19

Elemans, Coen P. H., Igor L. Y. Spierts, Ulrike K. Müller, Johan L. van Leeuwen, and Franz Goller. "Superfast muscles control dove's trill." Nature 431, no. 7005 (2004): 146. http://dx.doi.org/10.1038/431146a.

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20

Olson, Kenneth. "Acoustic properties of bilabial trills in Medumba." Proceedings of the Linguistic Society of America 9, no. 1 (2024): 5642. http://dx.doi.org/10.3765/plsa.v9i1.5642.

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Olson (2022) claims that all bilabial trills in phonemic systems are releases of stops. They are either part of complex phonemes that involve stop-trill sequences, e.g. /pᴮ, bᴮ, ᵐbᴮ, tᴾ/, or they pattern as allophones of a compressed or fricative vowel following a stop, e.g. [pʙ̩, bʙ̩, tʙ̩]. Olson notes that the stop-trill phonemes behave as obstruents. I provide acoustic evidence for this claim. Previous studies indicate that the closure of /b/ is shorter than that of /p, ᵐb/ and that the oral portion of the closure of /ᵐb/ is very short (~30–40 ms). Likewise, it has been shown that the stop

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21

Marcano, Zayra. "The Acquisition of the Spanish Trill (/R/) by Child Heritage Speakers: An Overview and Research Proposal." Scholars International Journal of Linguistics and Literature 6, no. 1 (2023): 51–58. http://dx.doi.org/10.36348/sijll.2023.v06i01.006.

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I propose an analysis on the acquisition of the alveolar trill /r/ by Spanish-speaking children as a heritage language. I aim to determine to what extent the acquisition of the trill by these speakers may differ from the same process in monolingual children. To that end, I will recruit twenty children Spanish-English bilingual heritage speakers (3-6 years of age), and twenty monolingual children of the same age who have never been exposed to another language. To collect the data, I will schedule brief Zoom meetings with the parents of the participants, and I will ask them to connect with the c

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22

Hakes, Jean, Thomas Shipp, and E. Thomas Doherty. "Acoustic characteristics of vocal oscillations: Vibrato, exaggerated vibrato, trill, and trillo." Journal of Voice 1, no. 4 (1988): 326–31. http://dx.doi.org/10.1016/s0892-1997(88)80006-7.

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23

Dyah Pertiwi Putri, Dewa Ayu, I. Ketut Subagia, I. Made Astu Mahayana, Ni Nyoman Muryatini, and Kuntayuni. "IMPLIKASI DISARTRIA FONEM /r/ TRILL (KECADELAN) TERHADAP PELAFALAN FONEM /t/ DAN /d/." KULTURISTIK: Jurnal Bahasa dan Budaya 7, no. 1 (2023): 18–23. http://dx.doi.org/10.22225/kulturistik.7.1.6401.

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Penelitian ini dimaksudkan sebagai studi awal untuk mengetahui implikasi disartria fonem /r/ trill terhadap kualitas fonem konsonan lainnya yang diproduksi pada tempat artikulasi yang sama. Penelitian dirancang menggunakan pendekatan kuantitatif-kualitatif deskriptif dengan metode lapangan. Data berupa fonem konsonan dan vokal yang dihasilkan oleh 4 sampel disartria dan 4 sampel non-disartria dikumpulkan dengan metode simak. Data yang terkumpul kemudian dianalisis dengan metode padan ekstralingual dan intralingual. Hasil penelitian menunjukkan bahwa apabila tempat artikulasi suatu bunyi mengal

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Senturk, Gizem. "Trans* Lives of Jadzia Dax: A Queer Ecology Reading of Symbiosis in Star Trek: Deep Space Nine." WSQ: Women's Studies Quarterly 51, no. 3-4 (2023): 194–208. http://dx.doi.org/10.1353/wsq.2023.a910078.

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Abstract: This article explores the symbiotic relationship of the Trill species in Star Trek from nonbinary, trans*, and queer ecological perspectives. The Trill’s unique physiology allows them to enter into a symbiotic relationship with a symbiont, leading to nonheterosexual, nonbinary, and androgynous features. By examining the trans metaphor represented by Jadzia Dax, a Trill character in Star Trek: Deep Space Nine , the article highlights the ways in which the Trill challenge traditional notions of gender, biology, and symbiosis by introducing queerness. Furthermore, the article argues tha

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Andrade, Pedro Amarante, Gary Wood, Philippa Ratcliffe, Ruth Epstein, Anne Pijper, and Jan G. Svec. "Electroglottographic Study of Seven Semi-Occluded Exercises: LaxVox, Straw, Lip-Trill, Tongue-Trill, Humming, Hand-Over-Mouth, and Tongue-Trill Combined With Hand-Over-Mouth." Journal of Voice 28, no. 5 (2014): 589–95. http://dx.doi.org/10.1016/j.jvoice.2013.11.004.

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Porras-Chaverri, Mariela A., and Raquel Pocasangre-Fonseca. "Perception of social variables related to allophones of taps and trills." Cadernos de Linguística 2, no. 1 (2021): e593. http://dx.doi.org/10.25189/2675-4916.2021.v2.n1.id593.

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This work presents preliminary research into determining value judgments of socioeconomic class and educational level of speakers based on the allophones of the alveolar tap /ɾ/ and trill /r/ in found in Costa Rican Spanish speech. The population of speakers is male and female professionals living in the Greater Metropolitan Area (GAM) [23-46 years]. Data was collected through written questionnaires and recordings. Speakers were asked about their linguistic attitude to their own variant. Speakers were also asked if they had had any negative experiences regarding their individual speech. Each s

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27

Yamaguchi, Ayako, David Gooler, Amy Herrold, Shailja Patel, and Winnie W. Pong. "Temperature-Dependent Regulation of Vocal Pattern Generator." Journal of Neurophysiology 100, no. 6 (2008): 3134–43. http://dx.doi.org/10.1152/jn.01309.2007.

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Vocalizations of Xenopus laevis are generated by central pattern generators (CPGs). The advertisement call of male X. laevis is a complex biphasic motor rhythm consisting of fast and slow trills (a train of clicks). We found that the trill rate of these advertisement calls is sensitive to temperature and that this rate modification of the vocal rhythms originates in the central pattern generators. In vivo the rates of fast and slow trills increased linearly with an increase in temperature. In vitro a similar linear relation between temperature and compound action potential frequency in the lar

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Mateo, Jill M. "Alarm calls elicit predator-specific physiological responses." Biology Letters 6, no. 5 (2010): 623–25. http://dx.doi.org/10.1098/rsbl.2010.0118.

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Glucocorticoids regulate glucose concentrations and responses to unpredictable events, while also modulating cognition. Juvenile Belding's ground squirrels ( Urocitellus beldingi ) learn to respond to whistle and trill alarm calls, warning of aerial and terrestrial predators, respectively, shortly after emerging from natal burrows at one month of age. Alarm calls can cause physiological reactions and arousal, and this arousal, coupled with watching adult responses, might help juveniles learn associations between calls and behavioural responses. I studied whether young show differential cortiso

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29

Tar, Éva. "Word-initial tap-trill clusters: Hungarian." Clinical Linguistics & Phonetics 32, no. 5-6 (2017): 544–62. http://dx.doi.org/10.1080/02699206.2017.1363292.

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30

Herting, Brian L., James R. Belthoff, and D. Kroodsma. "Bounce and Double Trill Songs of Male and Female Western Screech-Owls: Characterization and Usefulness for Classification of Sex." Auk 118, no. 4 (2001): 1095–101. http://dx.doi.org/10.1093/auk/118.4.1095.

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AbstractBoth sexes of adult Western Screech-Owls (Otus kennicottii) sing in response to playback of conspecific song within their territories. Two primary songs are the bounce and double trill. Using sonographic analysis of tape-recorded vocalizations, our study quantified characteristics of bounce and double trill songs uttered by individuals within a population of Western Screech-Owls inhabiting riparian woodlands in southwestern Idaho. We asked if songs of males and females differed and, if so, how accurately could songs be classified by sex. On average, male bounce songs were ∼30% lower in

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Maida, Sity, Paskal Sukandar, and Yossa Istiadi. "VARIASI STRUKTUR VOKALISASI OWA JAWA (Hylobates moloch Audebert, 1798) DI HUTAN LINDUNG PETUNGKRIYONO, PEKALONGAN, JAWA TENGAH." BIOMA 12, no. 1 (2017): 40. http://dx.doi.org/10.21009/bioma12(1).5.

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Javan gibbon is one of an endemic species of Java with kind of unique vocalizations. Supported by a study which showed that every individual has the different anatomy vocal tract that will produce a different sound. Character vocalizations formed from the structure of vocalizations vary between individuals would be the identity of an individual so that there will be effective communication between the giver signal to the receiver. The objective of research is to find out the structure variation of Javan gibbon vocalizations.The research was accomplished in August-September 2015 at the Petungkr

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32

Catford, J. C. "On Rs, rhotacism and paleophony." Journal of the International Phonetic Association 31, no. 2 (2001): 171–85. http://dx.doi.org/10.1017/s0025100301002018.

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In his R-tickle, William Barry (Barry 1997: 35) invites others who may have pondered along similar lines ‘to offer additional complementary or alternative views’. In somewhat belatedly accepting his invitation, I would like to make some remarks on trills, on ‘molar r’, and on rhotacism, followed by some thoughts on the question of the historical primacy of trill, at least within Indo-European.

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33

Lyons, Susan M., and Keith W. Sockman. "Sex Differences in Forebrain Monoaminergic Response to Song Performance." Brain, Behavior and Evolution 89, no. 3 (2017): 219–30. http://dx.doi.org/10.1159/000471784.

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In many species, successful reproduction is dependent on the ability to adjust social behavior in response to an ever-changing social environment. Because a sexual signal's value and meaning can differ between females and males, responses to those signals should also differ. One way individuals can modulate social behavior is through experience-dependent modulation of the sensory systems that process social signals. Central monoamines (norepinephrine, dopamine, serotonin) modulate neural sensitivity to social stimuli and are key regulators of experience-dependent neuroplasticity in vertebrate

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34

Obeidat, Nedal, and Mohammad Altashli. "The Trilling Method on Oud Instrument." Dirasat: Human and Social Sciences 49, no. 5 (2022): 479–89. http://dx.doi.org/10.35516/hum.v49i5.3496.

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This research deals with one of the techniques of playing the Oud instrument, which is the Trill technique, which has become a necessity to perform on the Oud instrument in the current era, especially since most of the studies that searched in Oud techniques did not discuss the method of performing this technique, but only mentioned it. This research aims to know what the trill is and to clarify its types, style, and methods of performing on the Oud. Researchers have authored a number of exercises to teach the performance of the trill on Oud, explaining the positions of the playing (Positions)

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Shuiskaya, Tatiana V. "Rhotacism and pararhotacism in child’s speech." Theoretical and Applied Linguistics, no. 4 (2021): 169–78. http://dx.doi.org/10.22250/2410-7190_2021_7_4_169_178.

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The aim of the research, presented in this article, is to find out whether five-year-olds have rhotacism (distorted pronunciation of /r/, /rʲ/ phonemes) or pararhotacism (/r/, /rʲ/ replacement by another consonant). The results of this study were compared to the data obtained from the research carried out with the same subjects when they were three years old. To analyse acoustic features of both consonants /r/ and /rʲ/ the method of minimal pairs was used. The results enabled to conclude that three year-olds did not have rhotacism while 10% of five year-olds had rhoticism. It was a rolling way

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KEHOE, MARGARET. "The development of rhotics: a comparison of monolingual and bilingual children." Bilingualism: Language and Cognition 21, no. 4 (2017): 710–31. http://dx.doi.org/10.1017/s1366728916001279.

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This study examines the acquisition of /r/ in German and Spanish monolingual and bilingual children. German and Spanish are characterized by different /r/s. German has a uvular approximant whereas Spanish has an alveolar tap and trill. Words containing /r/ were extracted from longitudinal recordings of the children, aged 1;9 to 3;6. Results indicate that monolingual German children acquired uvular /r/ earlier than monolingual Spanish children acquired the tap and trill. The bilingual children acquired uvular /r/ similarly to the monolingual children or, in the case of /r/ clusters, they were m

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Amengual, Mark. "Acoustic Correlates of the Spanish Tap-Trill Contrast: Heritage and L2 Spanish Speakers." Heritage Language Journal 13, no. 2 (2016): 88–112. http://dx.doi.org/10.46538/hlj.13.2.2.

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The present study investigates the acoustic correlates of the Spanish tap-trill phonological contrast (/ɾ/-/r/) in the production of 40 Spanish heritage speakers and 20 L2 Spanish learners in Northern California. The acoustic analyses examined the number of occlusions and overall duration in the production of phonemic trills, while the phonetic variants of the phonemic tap were based on the degree of apical constriction: true tap, approximant tap, and perceptual tap. The results from a reading-aloud task indicate that most speakers produced non-canonical phonemic trills with one or zero occlus

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Zornik, Erik, Abraham W. Katzen, Heather J. Rhodes, and Ayako Yamaguchi. "NMDAR-Dependent Control of Call Duration in Xenopus laevis." Journal of Neurophysiology 103, no. 6 (2010): 3501–15. http://dx.doi.org/10.1152/jn.00155.2010.

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Many rhythmic behaviors, such as locomotion and vocalization, involve temporally dynamic patterns. How does the brain generate temporal complexity? Here, we use the vocal central pattern generator (CPG) of Xenopus laevis to address this question. Isolated brains can elicit fictive vocalizations, allowing us to study the CPG in vitro. The X. laevis advertisement call is temporally modulated; calls consist of rhythmic click trills that alternate between fast (∼60 Hz) and slow (∼30 Hz) rates. We investigated the role of two CPG nuclei—the laryngeal motor nucleus (n.IX–X) and the dorsal tegmental

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Cato, Douglas, and Tracey Rogers. "INDIVIDUAL VARIATION IN THE ACOUSTIC BEHAVIOUR OF THE ADULT MALE LEOPARD SEAL, HYDRURGA LEPTONYX." Behaviour 139, no. 10 (2002): 1267–86. http://dx.doi.org/10.1163/156853902321104154.

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AbstractVocalisations and vocalising bouts of adult male leopard seals recorded from the Prydz Bay region, East Antarctica, were compared to determine whether they showed individual variability. There were distinct individual patterns in the sequence of vocalisations within vocalising bouts. A sequence could be reliably ascribed to a particular individual with a high degree (83%) of certainty. Such sequences may carry information about the identity of the caller. Acoustic characteristics of the two most commonly used vocalisations, the high and low double trills, showed weak within individual

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40

Rivera-Campos, Ahmed, and Suzanne E. Boyce. "An acoustic profile of Spanish trill /r/." Journal of the Acoustical Society of America 136, no. 4 (2014): 2105. http://dx.doi.org/10.1121/1.4899573.

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Kindrick, Robert L., and Iain Crichton Smith. "Mr. Trill in Hades and Other Stories." World Literature Today 59, no. 2 (1985): 268. http://dx.doi.org/10.2307/40141545.

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Mauffray, Erin, Matthew Faytak, Ji Young Kim, and Gemma Repiso Puigdelliura. "Lateral articulation of the Spanish trill /r/." Journal of the Acoustical Society of America 148, no. 4 (2020): 2581. http://dx.doi.org/10.1121/1.5147166.

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Hamdan, Abdul-latif, Jihad Nassar, Zeid Al Zaghal, Eleine El-Khoury, Marwa Bsat, and Dollen Tabri. "Glottal Contact Quotient in Mediterranean Tongue Trill." Journal of Voice 26, no. 5 (2012): 669.e11–669.e15. http://dx.doi.org/10.1016/j.jvoice.2011.07.008.

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Whalen, D. H., Khalil Iskarous, Will Grathwohl, and Michael Proctor. "Using digital ultrasound to investigate trill vibration." Journal of the Acoustical Society of America 128, no. 4 (2010): 2289. http://dx.doi.org/10.1121/1.3508032.

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Terhune, John M. "Pitch separation as a possible jamming-avoidance mechanism in underwater calls of bearded seals (Erignathus barbatus)." Canadian Journal of Zoology 77, no. 7 (1999): 1025–34. http://dx.doi.org/10.1139/z99-067.

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Bearded seals (Erignathus barbatus) produce simultaneous loud, long, narrowband underwater trills. It is likely that calls separated by 1/3 octave will not mask each other. Three call (trill) types were identified. Pitch separations between nearest-neighbour calls were measured by sampling at 1-s intervals. Calls spanned 5 octaves and were centred near 1 kHz. Mean pitch separations decreased significantly as the number of simultaneous calls increased from 2 to 9-11, but remained relatively constant at about 0.3 octave at higher numbers of simultaneous calls. For 2-12 simultaneous calls, the pi

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An, Ji Ho, Seong Hee Choi, Kyungjae Lee, Chul-Hee Choi, and Jong In Youn. "Clinical Applications of Facial Sensor Biofeedback: Implications for Voice Therapy or Vocal Training." Communication Sciences & Disorders 27, no. 2 (2022): 421–32. http://dx.doi.org/10.12963/csd.22897.

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Objectives: Biofeedback therapy is a training technique that has a positive effect on the voice. In order to conduct resonant voice therapy or tube phonation more effectively, it is important for the patient to feel the vibration sensation in a specific part of the facial structures. Therefore, in this study, the clinical basis for facial vibration was presented by quantifying the vibration site and magnitude using vibration sensors during various semi-occluded vocal tract phonations.Methods: A total of 38 normal young adults without dysphonia participated in this study. Recording was performe

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Petrusková, Tereza, Anna Kinštová, Iveta Pišvejcová, et al. "Variation in Trill Characteristics in Tree Pipit Songs: Different Trills for Different Use?" Ethology 120, no. 6 (2014): 586–97. http://dx.doi.org/10.1111/eth.12231.

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DuBois, Adrienne L., Stephen Nowicki, and William A. Searcy. "Swamp sparrows modulate vocal performance in an aggressive context." Biology Letters 5, no. 2 (2008): 163–65. http://dx.doi.org/10.1098/rsbl.2008.0626.

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Vocal performance refers to the proficiency with which a bird sings songs that are challenging to produce, and can be measured in simple trilled songs by their deviation from an upper bound regression of frequency bandwidth on trill rate. Here, we show that male swamp sparrows ( Melospiza georgiana ) increase the vocal performance of individual song types in aggressive contexts by increasing both the trill rate and frequency bandwidth. These results are the first to demonstrate flexible modulation by songbirds of this aspect of vocal performance and are consistent with this signal feature havi

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Balam, Osmer. "Neutralization of the intervocalic rhotic contrast in Northern Belizean Spanish." Borealis – An International Journal of Hispanic Linguistics 2, no. 2 (2013): 285. http://dx.doi.org/10.7557/1.2.2.2601.

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<p class="MsoNoSpacing" style="margin-top: 0in; margin-right: 22.5pt; margin-bottom: .0001pt; margin-left: 22.5pt; text-align: justify;">&nbsp;</p><p>While it has been contended that the tap/trill intervocalic contrast has been lost in many Spanish varieties, maintenance of the normative intervocalic tap/trill contrast has been attested via segmental duration rather than the number of lingual contacts. The present paper investigates the neutralization of the intervocalic rhotic contrast in emerging, bi-dialectal speakers of Northern Belizean Spanish, an understudied varie

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Secondi, J. "To trill or not to trill? Territorial response to a heterospecific vocal trait in male collared doves, Streptopelia decaocto." Behavioral Ecology 14, no. 5 (2003): 694–701. http://dx.doi.org/10.1093/beheco/arg058.

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