TY  - GEN
A1  - Shaw, Jason A.
A1  - Gafos, Adamantios I.
A1  - Hoole, Philip
A1  - Zeroual, Chakir
T1  - Dynamic invariance in the phonetic expression of syllable structure
BT  - a case study of Moroccan Arabic consonant clusters
T2  - Postprints der Universität Potsdam : Humanwissenschaftliche Reihe
N2  - We asked whether invariant phonetic indices for syllable structure can be identified in a language where word-initial consonant clusters, regardless of their sonority profile, are claimed to be parsed heterosyllabically. Four speakers of Moroccan Arabic were recorded, using Electromagnetic Articulography. Pursuing previous work, we employed temporal diagnostics for syllable structure, consisting of static correspondences between any given phonological organisation and its presumed phonetic indices. We show that such correspondences offer only a partial understanding of the relation between syllabic organisation and continuous indices of that organisation. We analyse the failure of the diagnostics and put forth a new approach in which different phonological organisations prescribe different ways in which phonetic indices change as phonetic parameters are scaled. The main finding is that invariance is found in these patterns of change, rather than in static correspondences between phonological constructs and fixed values for their phonetic indices.
T3  - Zweitveröffentlichungen der Universität Potsdam : Humanwissenschaftliche Reihe - 516 
KW  - american english
KW  - perception
KW  - speech
KW  - organization
KW  - duration
KW  - patterns
KW  - syllabication
KW  - articulation
KW  - sequences
KW  - knowledge
Y1  - 2019
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-412479
SN  - 1866-8364
IS  - 516
SP  - 455
EP  - 490
ER  - 
TY  - JOUR
A1  - Brunner, Jana
A1  - Ghosh, Satrajit
A1  - Hoole, Philip
A1  - Matthies, Melanie
A1  - Tiede, Mark
A1  - Perkell, Joseph
T1  - The influence of auditory acuity on acoustic variability and the use of motor equivalence during adaptation to a perturbation
JF  - Journal of speech, language, and hearing research
N2  - Purpose: The aim of this study was to relate speakers' auditory acuity for the sibilant contrast, their use of motor equivalent trading relationships in producing the sibilant /integral/, and their produced acoustic distance between the sibilants /s/ and /integral/. Specifically, the study tested the hypotheses that during adaptation to a perturbation of vocal-tract shape, high-acuity speakers use motor equivalence strategies to a greater extent than do low-acuity speakers in order to reach their smaller phonemic goal regions, and that high-acuity speakers produce greater acoustic distance between 2 sibilant phonemes than do low-acuity speakers.
 Method: Articulographic data from 7 German speakers adapting to a perturbation were analyzed for the use of motor equivalence. The speakers' produced acoustic distance between /s/ and /integral/ was calculated. Auditory acuity was assessed for the same speakers.
 Results: High-acuity speakers used motor equivalence to a greater extent when adapting to a perturbation than did low-acuity speakers. Additionally, high-acuity speakers produced greater acoustic contrasts than did low-acuity-speakers. It was observed that speech rate had an influence on the use of motor equivalence: Slow speakers used motor equivalence to a lesser degree than did fast speakers.
 Conclusion: These results provide support for the mutual interdependence of speech perception and production.
KW  - articulation
KW  - palate
KW  - speech sound
KW  - speech intelligibility
Y1  - 2011
U6  - https://doi.org/10.1044/1092-4388(2010/09-0256)
SN  - 1092-4388
VL  - 54
IS  - 3
SP  - 727
EP  - 739
PB  - American Speech-Language-Hearing Assoc.
CY  - Rockville
ER  -