WorldCat Identities

Vaxelaire, Béatrice

Overview
Works: 17 works in 23 publications in 2 languages and 67 library holdings
Genres: Conference papers and proceedings 
Roles: Other, Author, Editor, Opponent, Thesis advisor
Publication Timeline
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Most widely held works by Béatrice Vaxelaire
L'anticipation : à l'horizon du présent( Book )

3 editions published in 2004 in French and held by 37 WorldCat member libraries worldwide

Étude comparée des effets des variations de débit, lent, rapide, sur les paramètres articulatoires, à partir de la cinéradiographie (sujets français) by Béatrice Vaxelaire( )

4 editions published between 1993 and 1994 in French and held by 7 WorldCat member libraries worldwide

THE AIM OF THIS THESIS IS THE STUDY OF THE EFFECTS OF VARIATIONS OF SHEECH RATES - SLOW, FAST- ON THE ARTICULATORY PARAMETERS. THIS WORK IS TO EVALUATE WITH THE TECHNIQUE OF CINEMRADIOGRAPHY THE COMPARATIVE ARTICULATORY BEGHAVIOR OF STOP CONSONANTS (D, T, K, B, D, G) USED IN CASE OF FRENCH SPEECH PRODUCTION, IN UNSTRESED INTERVOLSATIC POSITIONS AND IN CONSONANT CLUSTERS FOR 14 PARAMETERS. PRESENTED IN THIS STUDY IS AND EXAMINATION ASCROSS RATES CONDITIONS AND CONSEQUENCES ON THE BEHAVIOR OF THE ARTICULATORS. WE SHOW THAT FAST RATE IMPLIES A FOW REDUCTION OF THE ARTICULATORY GESTURES AND SOME COMPENSATORY INTERARTICULATOR GESTURES. THERS IS AN ADAPTATION OF THE ARTICULATORS TO THE SPEDD OF THE MOVEMENT THROUGH NEW MOVEMENTS AND NEW ANTICIPATORY GESTURES. A NEX STRATEGY OF MOVEMENTS EMERGES WITH UNDERSHOOT AND OVERLAPPING IN THE DYNAMICAL GESTURE
Perturbations et réajustements : langue et langage by Journées fédératrices "Perturbations et réajustements: langue et langage"( Book )

2 editions published in 2007 in French and held by 6 WorldCat member libraries worldwide

La voix et la parole perturbées = avaux en phonétique clinique : Actes des 4èmes journées de Phonétique Clinique, mai 2011 by Rudolph Sock( Book )

1 edition published in 2013 in French and held by 3 WorldCat member libraries worldwide

Uncontrolled manifolds et réflexes à courte latence dans le contrôle moteur de la parole : une étude de modélisation by Andrew Szabados( )

1 edition published in 2017 in English and held by 2 WorldCat member libraries worldwide

This work makes use of a biomechanical model of speech production as a reference subject to address several phenomena related to the adaptability and stability of speech motor control, namely motor equivalence and postural stability. The first part of this thesis is related to the phenomenon of motor equivalence. Motor equivalence is a key feature of speech motor control, since speakers must constantly adapt to various phonetic contexts and speaking conditions. The Uncontrolled Manifold (UCM) idea offers a theoretical framework for considering motor equivalence in which coordination among motor control variables is separated into two subspaces, one in which changes in control variables modify the output and another one in which these changes do not influence the output.This concept is developed and investigated for speech production using a 2D biomechanical model. First, a representation of the linearized UCM based on orthogonal projection matrices is proposed. The UCMs of various vocal tract configurations of the 10 French oral vowels are then characterized using their command perturbation responses. It is then investigated whether each phonetic class such as phonemes, front/back vowels, rounded/un-rounded vowels can be characterized by a unique UCM, or whether the UCMs vary significantly across representatives of these different classes. It was found that linearized UCMs, especially those that are specifically computed for each configuration, but also across many of the phonetic classes allow for a command perturbation response that is effective. This suggests that similar motor equivalence strategies can be implemented within each of these classes and that UCMs provide a valid characterization of an equivalence strategy. Further work is suggested to elaborate which classes might be used in practice.The second part addresses the question of the degree to which postural control of the tongue is accomplished through passive mechanisms - such as the mechanical and elastic properties of the tongue itself - or through short-latency reflexes - such as the stretch reflex.A specific external force perturbation, was applied to the 2D biomechanical model , namely one in which the tongue is pulled anteriorly using specific force profile exerted on the tongue body using a force effector attached to the superior part of the tongue blade. Simulation results were compared to experimental data collected at Gipsa-lab under similar conditions.This perturbation was simulated with various values of the model's parameter modulating the reflex strength (feedback gain). The results showed that a perturbation rebound seen in simulated data is due to a reflex mechanism. Since a compatible rebound is seen in data from human subjects, this can be taken as evidence of a reflex mechanism being involved in postural stability of the tongue. The time course of the mechanisms of this reflex, including the generation of force and the movement of the tongue, were analyzed and it was determined that the precision of the model was insufficient to make any conclusions on the origin of this reflex (whether cortical or brainstem). Still, numerous experimental directions are proposed
Perception et production des voyelles orales françaises par des enfants tunisiens néo-apprenants du français by Zeineb Ammar( )

1 edition published in 2018 in French and held by 1 WorldCat member library worldwide

In this thesis, we studied the perception and production of the French oral vowels by sixteen Tunisian children (8-9 years old) learning French. Data are collected at three different periods: at the beginning of their first year of learning, after nine months of learning, and after a period of phonetic training. Main results are: (1) the perception and production of the vowels are greatly influenced by the L1 of the learners, both at the beginning and after nine months of learning; (2) the perception and production performances of the learners are better predicted by the identity of the vowel rather than its status in L2 compared to L1 (new, similar or identical vowels); (3) the phonetic training we gave showed no benefit on the perceptual or production performances of the children
L'impact de la variabilité articulatoire sur la perception auditive et l'acquisition de la production verbale chez des enfants présentant une dyslexie phonologique de CE1 by Amel Derbal( )

1 edition published in 2015 in French and held by 1 WorldCat member library worldwide

Selon la littérature, la dyslexie est une difficulté d'apprentissage de la lecture, non liée à un retard mental, à un déficit sensoriel et ni à l'environnement social ou familial défavorisé. L'enfant dyslexique présente un écart de 18 mois à 24 mois par rapport aux réalisations scolaires d'un sujet en lecture, et ses potentialités intellectuelles mesurées par une échelle d'intelligence (Q.I.). Il souffre d'un dysfonctionnement des structures cérébrales entravant ses capacités cognitives avec une mauvaise identification des mots. Le diagnostic repose sur l'évaluation de l'habileté de la parole, de la lecture et de l'écriture. Dans ce travail, nous nous sommes intéressés aux enfants présentant une dyslexie phonologique. Cette dernière se caractérise principalement par une altération de la voie phonologique. Ces enfants présentent une sensibilité intracatégorielle supérieure à leur sensibilité intercatégorielle. Si nous acceptons l'hypothèse du couplage entre la perception et la production de la parole, nous pouvons parler d'une perturbation de l'exécution articulatoire de leurs productions qui explique leur retard de parole et leur trouble du langage. En effet, la parole obéit à certaines règles phonétiques et phonologiques ; la variation d'un phonème coarticulé est la source de la difficulté de sa discrimination chez l'enfant dyslexique, car un phonème présente plusieurs allophones. Nous avons supposé que cette variabilité articulatoire d'un seul phonème est la cause principale de leur retard de production et de perception de la parole. De ce fait, nous avons procédé à une analyse de leur production verbale à la recherche des marqueurs articulatoires qui diffèrent de ceux des enfants du groupe de contrôle. Quatre expériences ont été effectuées traitant des séquences de types (CV, CVCV, VCVCV et VCVCCV) en lecture de mots et de pseudo mots, à haute voix et à débit normal. Les paramètres temporels étudiés en ce qui concerne les indices acoustiques pour le segment consonantique ont été pour la consonne occlusive sourde, la durée du VTT, le silence acoustique et le VOT et, pour la consonne occlusive sonore, l'occlusion et le VOT. Nous avons aussi mesuré les segments vocaliques adjacents. Ces différentes analyses révèlent, lors de l'identification de mots, que la voie d'assemblage peut être partiellement opérationnelle chez les enfants dyslexiques, une déformation de mot partielle ou totale, des oppositions de sonorité ou de lieu d'articulation problématiques. A noter aussi des durées segmentales plus élevées chez l'enfant dyslexique que chez l'enfant normo-lecteur traduisant une lenteur dans la progression de la réalisation articulatoire nécessitant une durée supplémentaire. Ces paramètres ne suivent pas souvent une cohérence dans leurs proportions par rapport aux exigences imposées par les caractéristiques du lieu d'articulation et de la qualité du signal. Cependant nous constatons qu'ils peuvent préserver leur intelligibilité. Cette étude expérimentale a permis de mettre en évidence la notion de couplage entre la perception et le trouble articulatoire, voire le retard de la parole et du langage
La gémination en tarifit : considérations phonologiques, étude acoustique et articulatoire by Fayssal Bouarourou( )

1 edition published in 2014 in French and held by 1 WorldCat member library worldwide

This work focuses on tarifit of the provinces of Nador, in order to study gemination in this variant of Berber spoken in Morocco. This is an acoustic and articulatory X-ray investigation. A general overview of the tarifit phonological system is proposed. In a critical review of the literature, we tried, first, to show the different arguments concerning representation of geminates as one or as a sequence of two segments. We then discussed the contradictory debates on the concepts of tension and gemination. Our research is carried out within the perturbation and readjustments paradigm, by varying speech rates. Main results in the acoustic domain show for all consonants, singletons and geminates, produced in normal or fast speech, that consonantal closure is the main cue that allows distinguishing them. On the articulatory level, the study of the timing of articulatory parameters indicates, among other things, that it is the apical, velar and uvular contact, longer for geminates, which is the preferred parameter of the singleton vs. geminate phonological distinction. Analysis of profile views gives the following results regarding contact extent (mm) : a) contact extent for plosives are systematically larger for geminates than for singletons ; b) contact extent increases as one goes from the apical consonant to the velar (rather palatal) consonant, then to the uvular consonant. Results are discussed in terms of articulatory - acoustic relations
Etude acoustique des fricatives de l'arabe standard (locuteurs algériens) by Amel Benamrane( )

1 edition published in 2013 in French and held by 1 WorldCat member library worldwide

This acoustic study focuses on standard Arabic, spoken by Algerian subjects (three female and three male subjects). The main thrust of the investigations is to provide clarification on the consonantal system of the language, and more particularly on the acoustic properties of its fricatives. This system is rich in places of articulation: labiodental, interdental, alveolar, postalveolair, uvular, pharyngeal and laryngeal. It is also characterized by the phenomenon of pharyngalisation, appearing in two pairs of fricatives: the interdental and alveolar fricatives. Based on our acoustic study, we have observed the properties relating to the frication noise of fricatives by calculating their center of gravity (CoG). We have also discussed the characteristics of the first four formants of the back vowels, short [a] and long [a:], in the vicinity of the fricatives, in CV sequences. Then, we have study absolute and relative segmental durations, relative intensity and harmonicity (HNR) of the fourteen fricatives of our study. This analyse was carried out to target their place of articulation and the phonological voicing contrast. Finally, we have tried to address the features of posterior locations, uvular, pharyngeal and laryngeal, which proved to be relevant as contrastive phonetic cues
Perception des modalités de l'allemand par des locuteurs natifs francophones by Saïd Bouzidi( )

1 edition published in 2017 in French and held by 1 WorldCat member library worldwide

Le contrôle temporel des consonnes occlusives de l'alsacien et du français parlé en Alsace by Lucie Steiblé( )

1 edition published in 2014 in French and held by 1 WorldCat member library worldwide

Les Alsaciens ont, quand ils parlent français, un accent caractéristique. Ce phénomène peut être considéré, au niveau de la production de la parole, comme une perturbation qui engendre un certain nombre de variations des formes phonétiques attendues en français, notamment au niveau de la gestion temporelle des consonnes occlusives. Dans une lecture fondée sur l'importance du geste en tant qu'unité de base en production de la parole, il est possible d'analyser la plasticité de la gestion temporelle des sujets parlants, spécifiquement dans le cadre du bilinguisme. En effet, les gestes sont accomplis dans le but d'atteindre des cibles, avec néanmoins un certain degré de liberté et de variabilité visible tant au niveau articulatoire qu'acoustique. Il s'agit de respecter certaines contraintes, permettant de considérer le système de production / perception de la parole comme un ensemble ayant pour objectif l'émergence de solutions linguistiquement viables. Nous avons mené trois expériences, concernant la gestion temporelle des occlusives. Différents indices acoustiques ont été analysés, propres à l'alsacien, au français parlé en Alsace et à la parole de locuteurs imitant l'accent des Alsaciens. Les résultats obtenus sont analysés dans le cadre de la Théorie de la Viabilité, qui permet de mettre au jour le fonctionnement du système de production / perception de la parole, entre perturbation et réajustement
Montesquieu et le monde romain : étude politique et morale by Nejia Jebahi( )

1 edition published in 2019 in French and held by 1 WorldCat member library worldwide

During its long history, Rome has subjugated numerous peoples. Its territory increased so much that it became the center of gravity of the whole antique world. The extraordinary expansion of that city has therefore always surprised the thinkers. Understandably Montesquieu, a French philosopher of the Age of Enlightenment, has himself studied the Roman world and its development in a number of his works. In order to explain the reasons behind the magnificence and the decadence of the Romans, Montesquieu examined the evolution of Roman politics and ethics from the foundation of the Vrbs until to its decline. The author carefully analyses the Roman civil and military institutions in order to establish their excellence and even to point out their limits. In his sociological and critical approach, this writer uses a rich literature that reveals the influence of Machiavel and Bossuet. Nevertheless from his work emerges an innovative standpoint that opens up for original fields of investigation
Perturbation de la production de la parole suite à une opération de la glande thyroïde by Camille Fauth( )

1 edition published in 2012 in French and held by 1 WorldCat member library worldwide

The aim of this study, conducted in partnership with the Department of Surgical Oncology, Centre Paul Strauss in Strasbourg, is to assess the consequences of thyroid surgery on the voice of patients, in order to identify the various perturbations caused by this surgery, and also to reveal possible compensatory strategies or readjustments that the patient may develop, alone or with speech therapy; this is a longitudinal study. The assessment was based on the analysis of acoustic signals, from which a large amount of cues related to voice quality, but also to articulatory behaviour of speakers was extracted. Production of sustained vowels allowed carrying out two spectral studies. The spatiotemporal study was made possible through the analysis of nonsense words, and more specifically through VCV sequences. We conducted three experiments on the acoustic level. The first experiment deals with the spectral characteristics of the voice of patients who underwent thyroidectomy, with no laryngeal paralysis. The second study was conducted based on spectral characteristics of the voice of speakers with laryngeal post-thyroidectomy paralysis. Our final experiment was to study spatio-temporal characteristics of the voice of speakers who underwent thyroidectomy, with laryngeal paralysis. Articulatory interpretations, made from the acoustic data, reveal perturbations of gestures on both the glottal and supraglottal levels, with readjustment strategies varying according to patients. The concept of a "target" as a control space for execution of possible articulatory and acoustic entities, which are perceptually acceptable, seems particularly relevant in this study, since disordered speakers reorganize their productions according to their own physiological and anatomical constraints, caused by the disorder
Etude acoustique de la production de la parole chez des patients glossectomisés by Hasna Zaouali( )

1 edition published in 2019 in French and held by 1 WorldCat member library worldwide

The present work focuses on the production of speech after surgical excision of a tumour in the oral and oropharyngeal cavity in order to detect various articulatory-acoustic perturbations that such a surgical operation entails. This longitudinal study aims to reveal possible compensation or readjustment strategies that the patient can deploy, alone or with the help of speech therapy. The originality of this work lies in the importance given to the spatial and temporal organisation of speech, by examining several articulatori-acoustic inter and intra segmental parameters. Three linguistic tasks have been investigated: 1) the production of sustained vowels [i, a, u]; 2) the production of VCV sequences in two different contexts, the consonant being one of the French plosives or fricatives [p, t, k, b, d, g, s, ʃ, z, ʒ]; 3) a subjective assessment of speech quality after glossectomy. The acoustic recordings of the patients' productions were carried out during 4 phases: 1) preoperatively (the day before the intervention); 2) in Postop1 (between 1 and 1, 5 months); 3) in Postop2 (3 months after surgery); 4) in Postop3 (6 months after the intervention).Ten patients and three healthy subjects were recorded. The data collected from patients, informing about perturbations and adjustments, corresponded to temporal and spectral measurements carried out on the acoustic speech signal. The also included self-evaluation by the patients of the quality of their speech (Speech Handicap Index or SHI). Perturbation of the articulatory gestures and subsequent adjustments, observed for each patient from the acoustic data, allowed highlighting characterisations of vocalic and consonantal productions after tumour excision localised in the speech production system. It was interesting to realise that changes in lingual synergy with different structures in the vocal tract, as well as anatomo-physiological changes in the oral cavities, provoked by glossectomy, prevent some patients from attaining expected articulatory targets. However, productions generally remain within viability domains, ultimately corresponding to intelligible articulatory-acoustic productions
Apprentissage informel de l'anglais en ligne : quelles conséquences sur la prononciation des étudiants français ? by Kossi Seto Yibokou( )

1 edition published in 2019 in French and held by 1 WorldCat member library worldwide

This work is part of the online informal learning of English and explores practices related to various sources of exposure of a sample of students from the University of Strasbourg. The data collected, based on a pronunciation test, a perception test and a survey, show inter- and intra-individual variability inherent to the complexity of the system in which participants evolve. With regards to Received Pronunciation and General American accents, acoustic analyses of pronunciation elements highlight oral productions composed of mixtures of characteristics of the two accents and those of the French language. The perturbation of speech production, implemented through fast speech variation, indicates a resistivity of the system for certain sounds/sequences of sounds. Results also show that television series are the most influential activities among those that promote vocal imitation and allow phonetic-phonological appropriation
Étude comparative des phénomènes de coarticulation nasale en anglais américain, bosnien, français, norvégien et ourdou by Altijana Brkan( )

1 edition published in 2018 in French and held by 1 WorldCat member library worldwide

This thesis concerns the comparison of the phenomena of nasal coarticulation of vowels in two languages that have phonological nasal vowels (French and Urdu) and three languages that don't have phonological nasal vowels (American English, Bosnian and Norwegian). To evaluate the degree of nasality, we used a piezoelectric accelerometer (PA) (non invasive and transportable). Five native speakers of each language recorded the corpus of logatomes CVNC, words and sentences. This thesis shows that : (1) an inter-language difference exists with respect to nasal coarticulation strategies, confirming an already known fact, (2) the existence or absence of a phonological contrast between nasal vowels and oral vowels in a language does not necessarily have a predictable influence on the propagation of nasality, confirming an already known fact, (3) one model of anticipation of nasality may be more suitable for one language, while for another language another model may be more suitable. (4) the french auditors don't disinguish between several degrees of contextual nasalization but there is a correlation between the quantity of vibration from the AP and the perception of the degree of nasality for the auditors of urdu. The interest of this study is that the comparison of the nasal coarticulation phenomena of vowels in the five languages was made with the same instrumentations under the same conditions. Another interest is to show the interest of the chosen method
Perturbation de la production de la parole chez le patient atteint d'une paralysie laryngée : données acoustiques et aérodynamiques by Noé Xiu( )

1 edition published in 2018 in French and held by 1 WorldCat member library worldwide

Our thesis aims at studying the consequences of total or partial removal of the thyroid gland due to thyroid dysfunction, followed or not by a radiotherapy treatment, in the field of clinical phonetics. This type of intervention usually perturbs the speech production system and sometimes leads to permanent (less than 5% of cases) or transient degradation of voice quality. The work intends to be a contribution to research carried out in clinical linguistics and phonetics, more particularly in the area of compensatory or readjustment phenomena developed by patients, following perturbation provoked in their phonatory system. The work was carried out in collaboration with the Group Saint-Vincent Hospital, and more particularly with the Clinique Sainte-Anne of Strasbourg, within the department of thyroid surgery. Our study is longitudinal since we have followed a cohort of patients, who underwent thyroid gland surgery, for at least one year, acquiring acoustic and aerodynamic data every month, the postoperative examination having revealed or not a lesion in the mobility of the vocal folds. We have studied possible compensation or readjustment strategies that patients were able to deploy by themselves or with the help of speech therapy, in order to assess the flexibility of the speech production system. The purpose is thus to evaluate the flexibility of the speech production and perception system and to try to understand how this system works based on a specific dysfunction of pathological origin. It is thus a question of determining the limits of physical deviations imposed by linguistic requirements of clarity of the speech perception system. Through the various investigations that we have conducted, we have tried to account for possible viability of perceptually stable phonetic and phonological units, despite an omnipresent variability in the physical, articulatory, physiological and acoustic substrate. Particular attention is paid to societal dimensions related to quality of life (vocal fatigue, satisfaction of linguistic productions, self-esteem, etc.)
 
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Languages
French (22)

English (1)