The phonological development of adult Japanese learners of English : a longitudinal study of perception and production.

SIGLEAvailable from British Library Document Supply Centre-DSC:DXN042757 / BLDSC - British Library Document Supply CentreGBUnited Kingdo

Articulation in time : Some word-initial segments in Swedish

Speech is both dynamic and distinctive at the same time. This implies a certain contradiction which has entertained researchers in phonetics and phonology for decades. The present dissertation assumes that articulation behaves as a function of time, and that we can find phonological structures in the dynamical systems. EMA is used to measure mechanical movements in Swedish speakers. The results show that tonal context affects articulatory coordination. Acceleration seems to divide the movements of the jaw and lips into intervals of postures and active movements. These intervals are affected differently by the tonal context. Furthermore, a bilabial consonant is shorter if the next consonant is also made with the lips. A hypothesis of a correlation between acoustic segment duration and acceleration is presented. The dissertation highlights the importance of time for how speech ultimately sounds. Particularly significant is the combination of articulatory timing and articulatory duration

An exploration of the rhythm of Malay

In recent years there has been a surge of interest in speech rhythm. However we still lack a clear understanding of the nature of rhythm and rhythmic differences across languages. Various metrics have been proposed as means for measuring rhythm on the phonetic level and making typological comparisons between languages (Ramus et al, 1999; Grabe & Low, 2002; Dellwo, 2006) but the debate is ongoing on the extent to which these metrics capture the rhythmic basis of speech (Arvaniti, 2009; Fletcher, in press). Furthermore, cross linguistic studies of rhythm have covered a relatively small number of languages and research on previously unclassified languages is necessary to fully develop the typology of rhythm. This study examines the rhythmic features of Malay, for which, to date, relatively little work has been carried out on aspects rhythm and timing. The material for the analysis comprised 10 sentences produced by 20 speakers of standard Malay (10 males and 10 females). The recordings were first analysed using rhythm metrics proposed by Ramus et. al (1999) and Grabe & Low (2002). These metrics (∆C, %V, rPVI, nPVI) are based on durational measurements of vocalic and consonantal intervals. The results indicated that Malay clustered with other so-called syllable-timed languages like French and Spanish on the basis of all metrics. However, underlying the overall findings for these metrics there was a large degree of variability in values across speakers and sentences, with some speakers having values in the range typical of stressed-timed languages like English. Further analysis has been carried out in light of Fletcher’s (in press) argument that measurements based on duration do not wholly reflect speech rhythm as there are many other factors that can influence values of consonantal and vocalic intervals, and Arvaniti’s (2009) suggestion that other features of speech should also be considered in description of rhythm to discover what contributes to listeners’ perception of regularity. Spectrographic analysis of the Malay recordings brought to light two parameters that displayed consistency and regularity for all speakers and sentences: the duration of individual vowels and the duration of intervals between intensity minima. This poster presents the results of these investigations and points to connections between the features which seem to be consistently regulated in the timing of Malay connected speech and aspects of Malay phonology. The results are discussed in light of current debate on the descriptions of rhythm

Konsonandikeskne vältesüsteem eesti ja inarisaami keeles

Väitekirja elektrooniline versioon ei sisalda publikatsiooneKolme pikkuskategooriaga konsonandikeskne vältesüsteem esineb väga vähestes keeltes, teadaolevalt ainult soome-ugri keeltes: eesti, liivi ja inarisaami keeles ning veel mõningates saami keeltes. Doktoritöö keskendub neist kahele – eesti ja inarisaami keelele, millest esimene kuulub soome-ugri keelte läänemeresoome ja teine saami keelterühma. Eesti keeles esineb keerukas kolmevältesüsteem, kus vastandus moodustatakse nii vokaalide, konsonantide kui ka mõlema põhjal. Inarisaami keeles leiab kolm pikkuskategooriat vaid konsonantide puhul, vokaalidel esineb kahene vastandus. Eksperimentaalfoneetiline väitekiri uurib, kuidas kolmene konsonandikeskne kvantiteedisüsteem nendes keeltes foneetiliselt avaldub kõnetaktis. Vaadeldakse omadusi, mis kolme väldet üksteisest eristavad. Teise suurema teemana käsitleb doktoritöö segmentaalse konteksti rolli eesti keele konsonandivälte avaldumisel. Töö tulemused näitavad, et kolme konsonandikeskset väldet eristab nii eesti kui ka inarisaami keeles konsonandi enda kestus, mis on suuremas vältes pikem. Keeltevahelised erinevused tulevad välja kategooriate omavaheliste kestussuhete kaudu: eesti keeles eristuvad teineteisest rohkem esimene ja teine välde, inarisaamis aga teine ja kolmas välde. Kui eesti keeles lüheneb konsonandile järgnev rõhutu silbi vokaal vastavalt konsonandivälte kasvades, siis inarisaamis lühenevad mõlemad, nii konsonandile eelnev rõhulise silbi vokaal kui ka sellele järgnev rõhutu silbi vokaal. Põhitoonikontuurid inarisaami eri struktuuriga kahesilbilistes sõnades märkimisväärselt ei varieeru, kuid konsonandivälte kasvades intensiivsuse väärtuste erinevus esimese ja teise silbi vokaali vahel suureneb. Samas eri vältes oleva vokaalidevahelise helilise konsonandi enda intensiivsus ei muutu. Põhitoon on eesti keeles oluline teise ja kolmanda välte eristamisel, kuid klusiilide puhul, kus põhitooni liikumist jälgida ei saa, on ka leitud, et välte tajumiseks piisab kestuslikest tunnustest. Doktoritöö eesti keele artikulatsioonikatse tulemused näitavad, et kolmese konsonandikeskse välte avaldumisel on oluline osa segmentaalsel kontekstil. Kui mõningate artikulatoorsete liigutuste puhul saab näha vältega seotud kolmeseid mustreid (huulte sulgemisliigutuse kestuses konsonandi hääldamisel, keeleliigutuste kestuses üleminekul konsonandile eelnevalt vokaalilt järgnevale), siis erineva sõnaalgulise konsonandi ja ümbritseva vokaalikonteksti tõttu esineb varieerumist, kus esimene ja teine välde vastanduvad kolmandale või vastandub esimene välde teisele ja kolmandale. Ka spontaankõne materjali põhjal tehtud akustiline analüüs näitas, et erinevate konsonantide puhul realiseerub kolmene välde mõnevõrra erinevalt ning sealjuures on oluline seos konsonandi ja seda ümbritsevate vokaalide omaduste vahel.Quantity systems with three length categories for consonants can be found in a small number of languages, all of which belong to the Finno-Ugric languages: Estonian, Livonian, Inari Saami, and some other Saami languages. The focus of this dissertation is on two of them, Estonian and Inari Saami, the former belonging to the Finnic and the latter to the Saamic branch. Estonian exhibits a complex quantity system forming ternary length categories with vowels, consonants, or combinations of both. In Inari Saami, ternary length distinction is found for consonants, while vocalic quantity shows binary oppositions. This thesis comprises experimental phonetic studies answering two main questions: how is ternary consonantal quantity in Estonian and Inari Saami realized phonetically, and how does quantity interact with segmental context. The results showed that, in both languages, the three-way consonantal quantity is manifested in consonant durations that are longer in higher quantity degrees. While Estonian first and second quantity are further apart from each other, in Inari Saami second and third quantity are more distinct. Cross-linguistic differences also appear in the relations between intervocalic consonants and neighboring vowels. In Estonian, the vowel following the consonant is shorter after a long and overlong consonant than after a short one. Quantity differences in Inari Saami are realized in shorter durations of both vowels in terms of increasing consonantal quantity. Fundamental frequency contours in Inari Saami are roughly the same in words with different structures. Intensity measures, however, show greater differences between the vowels surrounding the consonant when the quantity of the consonant increases. The intensity of the sonorant consonant does not change in different quantities. The results of the articulatory study of this thesis show variation in quantity manifestations in Estonian geminate consonants due to varied segmental context. Some articulatory movements exhibit three-way patterns associated with quantity categories (in the duration of the lip closing gesture for the consonant and tongue transition gesture from the preceding vowel to the following vowel); for others the first and second quantity are opposed to the third quantity or the first quantity degree is opposed to the second and third ones. Similar patters were found in the acoustic data from spontaneous speech. The durational properties of ternary quantity are realized differently for different intervocalic consonants, and variation is also caused by coarticulatory effects of the surrounding vowels.https://www.ester.ee/record=b524109

Crosslinguistic trends in tone change A review of tone change studies in East and Southeast Asia

Ground-breaking studies on how Bangkok Thai tones have changed over the past 100 years (Pittayaporn 2007, 2018; Zhu et al. 2015) reveal a pattern that Zhu et al. (2015) term the “clockwise tone shift cycle:” low > falling > high level or rising-falling > rising > falling-rising or low. The present study addresses three follow-up questions: (1) Are tone changes like those seen in Bangkok Thai also attested in other languages? (2) What other tone changes are repeated across multiple languages? (3) What phonetic biases are most likely to be the origins of the reported changes? A typological review of 52 tone change studies across 45 Sinitic, Tai-Kadai, Hmong-Mien, and Tibeto-Burman languages reveals that clockwise changes are by far the most common. The paper concludes by exploring how tonal truncation (Xu 2017) generates synchronic variation that matches the diachronic patterns; this suggests that truncation is a key mechanism in tone change

Fast Speech in Unit Selection Speech Synthesis

Moers-Prinz D. Fast Speech in Unit Selection Speech Synthesis. Bielefeld: Universität Bielefeld; 2020.Speech synthesis is part of the everyday life of many people with severe visual disabilities. For those who are reliant on assistive speech technology the possibility to choose a fast speaking rate is reported to be essential. But also expressive speech synthesis and other spoken language interfaces may require an integration of fast speech. Architectures like formant or diphone synthesis are able to produce synthetic speech at fast speech rates, but the generated speech does not sound very natural. Unit selection synthesis systems, however, are capable of delivering more natural output. Nevertheless, fast speech has not been adequately implemented into such systems to date. Thus, the goal of the work presented here was to determine an optimal strategy for modeling fast speech in unit selection speech synthesis to provide potential users with a more natural sounding alternative for fast speech output

Portuguese Lexical Clusters and CVC Sequences in Speech Perception and Production

This paper investigates similarities between lexical consonant clusters and CVC sequences differing in the presence or absence of a lexical vowel in speech perception and production in two Portuguese varieties. The frequent high vowel deletion in the European variety (EP) and the realization of intervening vocalic elements between lexical clusters in Brazilian Portuguese (BP) may minimize the contrast between lexical clusters and CVC sequences in the two Portuguese varieties. In order to test this hypothesis we present a perception experiment with 72 participants and a physiological analysis of 3-dimensional movement data from 5 EP and 4 BP speakers. The perceptual results confirmed a gradual confusion of lexical clusters and CVC sequences in EP, which corresponded roughly to the gradient consonantal overlap found in production

Challenges in analysis and processing of spontaneous speech

Selected and peer-reviewed papers of the workshop entitled Challenges in Analysis and Processing of Spontaneous Speech (Budapest, 2017

Aspects of Coarticulation

The paper provides a summary of various types and aspects of coarticulation. After setting a framework that includes general considerations such as biomechanical and language-specific issues, the distinction between anticipatory and carry-over coarticulation, the discussion of articulatory pressure/resistance and its scope, it analyzes different levels at which coarticulation occurs: lips, tongue, velum and larynx. The review of the most influential models and theories from the 1960s until the present reveals that a comprehensive explanation of coarticulation is yet to be offered. In terms of neuromotor control, it shows that very little research has been done specifically on coarticulation, so most conclusions in available literature are indirectly derived from studies of speech produc- tion in general. The paper also tries to shed some light on coarticulation in populations that have been studied less extensively, such as children and clinical cases. The goal of this review is to give a brief overview of the current ‘state of affairs’ in coarticulation studies and argue for the need to extend them to more languages, less than typical populations and to higher levels of processing