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Institute
Low- dimensional and speaker-independent linear vocal tract parametrizations can be obtained using the 3-mode PARAFAC factor analysis procedure first introduced by Harshman et al. (1977) and discussed in a series of subsequent papers in the Journal of the Acoustical Society of America (Jackson (1988), Nix et al. (1996), Hoole (1999), Zheng et al. (2003)). Nevertheless, some questions of importance have been left unanswered, e.g. none of the papers using this method has provided a consistent interpretation of the terms usually referred to as "speaker weights". This study attempts an exploration of what influences their reliability as a first step towards their consistent interpretation. With this in mind, we undertook a systematic comparison of the classical PARAFAC1 algorithm with a relaxed version, of it, PARAFAC2. This comparison was carried out on two different corpora acquired by the articulograph, which varied in vowel qualities, consonantal contexts, and the paralinguistic features accent and speech rate. The difference between these statistical approaches can grossly be described as follows: In PARAFAC1, observation units pertain to the same set of variables and the observation units are comparable. In PARAFAC2, observations pertain to the same set of variables, but observation units are not comparable. Such a situation can be easily conceived in a situation such as we are describing: The operationalization we took relies on the comparability of fleshpoint data acquired from different speakers, which need not be a good assumption due to influences like sensor placement and morphological conditions.
In particular, the comparison between the two different approaches is carried out by means of so-called "leverages" on different component matrices originating in regression analysis, calculated as v = diag(A(A A)−1A ) and delivering information on how "influential" a particular loading matrix is for the model. This analysis could potentially be carried out component by component, but we confined ourselves to effects on the global factor structure. For vowels, the most influential loadings are those for the tense cognates of non-palatal vowels. For speakers, the most prominent result is the relative absence of effects of the paralinguistic variables. Results generally indicate that there is quite little influence of the model specification (i.e. PARAFAC1 or PARAFAC2) on vowel and subject components. The patterns for the articulators indicate that there are strong differences between speakers with respect to the most influential measurement as revealed by PARAFAC2: In particular, the most influential y-contribution is the tongue-back for some talkers and the tongue-dorsum for other speakers. With respect to the speaker weights, again, the leverage patterns are very similar for both PARAFAC-versions. These patterns converge with the results of the loading plots, where the articulator profiles seem to be most altered by the use of PARAFAC2. These findings, in general, are interpreted as evidence for the reliability of the PARAFAC1 speaker weights.
In this paper, I discuss four different verb forms in Ndebele (a Nguni Bantu language spoken mainly in Zimbabwe) - the imperative, reduplicated, future and participial. I show that while all four are subject to minimality restrictions, minimality is satisfied differently in each of these morphological contexts. To account for this, I argue that in Ndebele (as in other Bantu languages) Word and RED are not the only constituents which must satisfy minimality: the Stem is also subject to minimality conditions in some morphological contexts. This paper, then, provides additional arguments for the proposal that Phonological Word is not the only sub-lexical morpho-prosodic constituent. Further, I argue that, although Word, RED and Stern are all subject to the same minimality constraint – they must all be minimally bisyllabic - this does not follow from a single 'generalized' constraint. Instead, I argue, contra recent work within Generalized Template Theory (see, e.g., McCarthy & Prince 1994, 1995a, 1999; Urbanezyk 1995, 1996; and Walker 2000; etc.) that a distinct minimality constraint must be formalized for each of these morpho-prosodic constituents.
It appears that the complexity of Slavic historical accentology is prohibitive for most non-specialists in the field. It may therefore be useful to approach the subject from a number of different angles in order to render it more accessible to a wider audience. In the following I shall discuss the separate accent paradigms and their development from the Late Balto-Slavic system, which is structurally similar to that of modern Lithuanian, up to the end of the Proto-Slavic period, when the system resembled what we find in modern Serbo-Croatian. The numbering of the stages 1.0 through 10.12 is the same as in my earlier publications (1989, 2003, 2005, 2006a, 2008b). For the rise and development of the accentual system up to the end of the Balto-Slavic period I may refer to my discussion (2006b, 2008a) of Olander’s dissertation (2006). It resulted in a system of four major and two minor accent types.
Arguing against Bhat’s (1974) claim that retroflexion cannot be correlated with retraction, the present article illustrates that retroflexes are always retracted, though retraction is not claimed to be a sufficient criterion for retroflexion. The cooccurrence of retraction with retroflexion is shown to make two further implications; first, that non-velarized retroflexes do not exist, and second, that secondary palatalization of retroflexes is phonetically impossible. The process of palatalization is shown to trigger a change in the primary place of articulation to non-retroflex. Phonologically, retraction has to be represented by the feature specification [+back] for all retroflex segments.
Arguing against Bhat’s (1974) claim that retroflexion cannot be correlated with retraction, the present article illustrates that retroflexes are always retracted, though retraction is not claimed to be a sufficient criterion for retroflexion. The cooccurrence of retraction with retroflexion is shown to make two further implications; first, that non-velarized retroflexes do not exist, and second, that secondary palatalization of retroflexes is phonetically impossible. The process of palatalization is shown to trigger a change in the primary place of articulation to non-retroflex. Phonologically, retraction has to be represented by the feature specification [+back] for all retroflex segments.
Relative clauses in Haya
(2010)
This paper gives an overview of the morphology and syntax of Haya relative clause constructions. It extends previous work on this topic (Duranti, 1977) by incorporating data from a number of different dialects and by introducing new data on locative relative clauses. The dialects discussed in addition to the Kihanja data from Byarushengo et al. (1977) include Kiziba, Muleba and Bugabo dialects. Nyambo data taken from Rugemalira (2005) is also compared to Haya in places. The focus of the discussion is on the grammaticality of pronominal elements attached to the verb that refer back to the relativized entity with different types of relativized constituents in Haya. It is shown that there are differences between subjects, objects and locatives in terms of this kind of morphology inside the relative clause, as well as differences between these kinds of morphemes and resumptive pronouns.
Corno quase nenhuma outra disciplina lingüística, a fonologia passou por uma evolução turbulenta nas duas últimas décadas. Ao contrário da abordagem cöássica da Gramática Gerativa, que se concentrou na descrição de cadeias de segmentos fonológicos e de suas transformações em virtude de regras fonológicas, a Fonologia Não-linear colocou as relações prosódicas em enunciados em primeiro plano. A sílaba foi redescoberta como unidade prosódica; muitos trabalhos foram dedicados à análise de estruturas silábicas e de relações de sonoridade. Acima da sílaba, o pé a palavra fonológica foram utilizados como unidades prosódicas relevantes para a descrição das estruturas de acento e entonação. Abaixo da sílaba, reabilitou-se a mora já conhecida a partir da Filologia Clássica. No presente artigo, descrevem-se, a partir de exemplos do alemão e de outras línguas, as duas abordagens principais da Fonologia Não-linear, a Fonologia Autosegmental e a Fonologia Métrica. Procura-se mostrar que, com esses modelos, alguns fenômenos prosódico-fonológicos que antes só podiam ser descritos com grandes dificuldades ou eram até mesmo indescritíveis podem ser analisados de maneira adequada e elegante.
Rate effects on aerodynamics of intervocalic stops : evidence from real speech data and model data
(2008)
This paper is a first attempt towards a better understanding of the aerodynamic properties during speech production and their potential control. In recent years, studies on intraoral pressure in speech have been rather rare, and more studies concern the air flow development. However, the intraoral pressure is a crucial factor for analysing the production of various sounds.
In this paper, we focus on the intraoral pressure development during the production of intervocalic stops.
Two experimental methodologies are presented and confronted with each other: real speech data recorded for four German native speakers, and model data, obtained by a mechanical replica which allows reproducing the main physical mechanisms occurring during phonation. The two methods are presented and applied to a study on the influence of speech rate on aerodynamic properties.
The papers in this volume were originally presented at the Workshop on Bantu Wh-questions, held at the Institut des Sciences de l’Homme, Université Lyon 2, on 25-26 March 2011, which was organized by the French-German cooperative project on the Phonology/Syntax Interface in Bantu Languages (BANTU PSYN). This project, which is funded by the ANR and the DFG, comprises three research teams, based in Berlin, Paris and Lyon. The Berlin team, at the ZAS, is: Laura Downing (project leader) and Kristina Riedel (post-doc). The Paris team, at the Laboratoire de phonétique et phonologie (LPP; UMR 7018), is: Annie Rialland (project leader), Cédric Patin (Maître de Conférences, STL, Université Lille 3), Jean-Marc Beltzung (post-doc), Martial Embanga Aborobongui (doctoral student), Fatima Hamlaoui (post-doc). The Lyon team, at the Dynamique du Langage (UMR 5596) is: Gérard Philippson (project leader) and Sophie Manus (Maître de Conférences, Université Lyon 2). These three research teams bring together the range of theoretical expertise necessary to investigate the phonology-syntax interface: intonation (Patin, Rialland), tonal phonology (Aborobongui, Downing, Manus, Patin, Philippson, Rialland), phonology-syntax interface (Downing, Patin) and formal syntax (Riedel, Hamlaoui). They also bring together a range of Bantu language expertise: Western Bantu (Aboronbongui, Rialland), Eastern Bantu (Manus, Patin, Philippson, Riedel), and Southern Bantu (Downing).