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Previous informal observations suggested a more anterior place of articulation in [t] than in [d] or [n] in Czech, a rather rare phenomenon from the crosslinguistic perspective. The objective of this study is to verify the existence of this asymmetry objectively using electropalatography, and also to compare linguopalatal contact across vocalic contexts. The results show that, although speakers manifest slightly diffring tendencies, [t] is indeed produced with a more anterior articulation than [d] in six out of the seven speakers analyzed. Moreover, [t] appears to be more resistant to coarticulation, which is in agreement with studies suggesting greater coarticulation resistance in voiceless and laminal sounds than in voiced and apical sounds like [d].
2009 •
Harvard Studies in Korean Linguistics (vol. 12, pp. 137–150)
The acoustics of Korean fricatives revisited2008 •
This study examined the production of the two-way laryngeal contrast in Korean sibilant fricatives in two experiments covering low and high vowel environments. Acoustic analyses show that in a low vowel environment, the two fricatives differ from each other in fricative duration, aspiration duration, F1 onset, intensity buildup, and voice quality; however, the F1 and intensity differences disappear in a high vowel environment. In both environments, there are no differences in F0 onset, average intensity, or vowel length. In having a fricative contrast without a voiced member, Korean constitutes an exception to Jansen's (2004) laryngeal typology. This contrast seems to be typologically unique and can only be accommodated by the addition of an aspirated voiceless lenis category to the set of possible laryngeal classifications.
Forschungsberichte des Instituts fuer …
Invariance and variability in articulation and acoustics of natural perturbed speech2001 •
2011 •
Journal of Phonetics
Voicing and aspiration in Swedish stopsThis paper presents the results of an investigation of voicing and aspiration in the speech of six Central Standard Swedish speakers with a view to providing an account of Swedish stop production. The data show that in utterance-initial position the two-way stop contrast is almost always realized as a contrast between prevoiced stops and postaspirated ones. Word-medially and -finally, the contrast is that of a fully voiced stop and, variably, an unaspirated or preaspirated stop. The female speakers show a greater tendency to preaspirate than the male speakers, and the male speakers have a greater tendency for prevoicing than the females. The commonly observed k>t>p ranking of aspiration duration is found for both preaspiration and postaspiration. Possible articulatory and aerodynamic reasons for these findings are discussed. The voicing vs. aspiration contrast that we observe in Swedish is one that has generally been considered to be typologically unusual. It is suggested that, in fact, such languages may not be as unusual as has been claimed in the literature, and that by increasing the level of phonetic detail in the description of stop contrasts in individual languages, the accuracy of typological statements concerning stop production can be improved.
The aim of this dissertation is to contribute as much as possible to the limited knowledge about the phonetics and phonology of Cypriot Greek (CyGr) geminates by examining the acoustics, articulation, and perception of CyGr plosive and affricate gemination. CyGr plosives and affricates were selected in particular, because their gemination is realised rather unusually, i.e. by means of both the closure and release. The investigation of CyGr stop and affricate gemination has also theoretical implications, such as which theoretical framework (moraic or timing-based theory) would best accommodate CyGr geminates, how CyGr geminates should be syllabified, the moraicity of geminates and its phonetic implementation, the existence of moraic onsets, and the correlation between gemination and aspiration. The first chapter of the thesis introduces CyGr providing a brief description of its phonetic inventory with a focus on geminates. Chapter 2 comprises an acoustic study of lexical and post-lexical gemination of CyGr stops and affricates, both at the segmental and suprasegmental level. Chapter 3 is a limited articulatory study of lexical alveolar stops, which supplemented the evidence from Chapter 2. Chapter 4 reports the results of a perceptual study on lexical alveolar stops, aiming to identify the cues that play a role in the perception of geminates by speakers of CyGr. Chapter 5 presents the second perceptual experiment of the thesis, which tests if and how speakers of CyGr differentiate perceptually between word-initial singleton, word-initial geminate, word-boundary geminate, and word-boundary super-geminate stops. Chapter 6 consists of four perceptual experiments, each one testing the perception of stimuli from six languages (namely CyGr, Turkish, Italian, Polish, English, and Korean) by native speakers of one of four languages: CyGr, Cypriot Turkish, Polish, and Italian. Finally, Chapter 7 discusses the phonological and phonetic status of CyGr geminate stops and affricates and suggests theoretical implications of the collective results.
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2012 •
2011 •
Australian Journal of Linguistics 33.2: 194-217.
2013. Variation in voice onset time in stops in Gurindji Kriol: picture naming and conversational speech2002 •
Journal of The International Phonetic Association
Problems of phonetic transcription: The case of the Hiberno-English slit-t1997 •
Journal of Phonetics
Acoustic and aerodynamic correlates of Korean stops and fricatives2002 •
Journal of Phonetics
Modeling tongue-palate contact patterns in the production of speech1996 •
Clinical Linguistics & Phonetics
Speaker‐specific kinematic properties of alveolar reductions in English and German2004 •
UC Berkeley Phonology Lab Annual Report (pp. 20–70)
Korean fricatives: Production, perception, and laryngeal typology2007 •
The Journal of the Acoustical Society of America
Effects of consonant manner and vowel height on intraoral pressure and articulatory contact at voicing offset and onset for voiceless obstruents2011 •
2011 •
Papers in Phonetics and Phonology
How do voiced retroflex stops evolve? Evidence from typology and an articulatory studyLanguage and Speech
Retroflexion of Voiced Stops: Data from Dhao, Thulung, Afar and German2010 •
Tsing Hua Journal of Chinese Studies
Articulatory characteristics of the coronal consonants in Malaysian Mandarin: with special reference to the non-"canonical" sibilantsJournal of Phonetics
Voicing assimilation in Catalan three-consonant clusters2013 •
Journal of Phonetics
Coarticulation, assimilation and blending in Catalan consonant clusters2001 •
Journal of Phonetics
Linguopalatal coarticulation and alveolar-palatal correlations for velarized and non-velarized /l/1996 •
Journal of Phonetics
A study of /J/ and /r/ in the light of the “DAC” coarticulation model1999 •