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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 Hits 1 – 20 of 35 1 Is a Wizard-of-Oz Required for Robot-Led Conversation Practice in a Second Language? Águas Lopes, José David; Cumbal, Ronald; Engwall, Olov. - : KTH, Tal-kommunikation, 2022. : KTH, Tal, musik och hörsel, TMH, 2022. : Springer Nature, 2022 BASE Show details 2 Simulation of vowel-vowel utterances using a 3D biomechanical-acoustic model Dabbaghchian, Saeed; Arnela, Marc; Engwall, Olov. - : KTH, Tal, musik och hörsel, TMH, 2021. : Universitat Ramon Llull, Barcelona, Catalonia, 2021. : Wiley, 2021 BASE Show details 3 Interaction and collaboration in robot-assisted language learning for adults Engwall, Olov; David Lopes, José. - : KTH, Tal, musik och hörsel, TMH, 2020. : Interaction Lab, Heriot-Watt University, Edinburgh, UK, 2020 BASE Show details 4 Synthesis of VV utterances from muscle activation to sound with a 3d model Engwall, Olov; Arnela, Marc; Dabbaghchian, Saeed. - : KTH, Tal-kommunikation, 2017 BASE Show details 5 A First Visit to the Robot Language Café Skantze, Gabriel; Engwall, Olov; Lopes, José. - : KTH, Tal-kommunikation, 2017. : Stockholm, 2017 BASE Show details 6 A semi-polar grid strategy for the three-dimensional finite element simulation of vowel-vowel sequences Dabbaghchian, Saeed; Guasch, Oriol; Arnela, Marc; Engwall, Olov. - : KTH, Tal, musik och hörsel, TMH, 2017. : GTM Grup de recerca en Tecnologies Mèdia, La Salle, Universitat Ramon Llull, Barcelona, Spain, 2017 Abstract: Three-dimensional computational acoustic models need very detailed 3D vocal tract geometries to generate high quality sounds. Static geometries can be obtained from Magnetic Resonance Imaging (MRI), but it is not currently possible to capture dynamic MRI-based geometries with sufficient spatial and time resolution. One possible solution consists in interpolating between static geometries, but this is a complex task. We instead propose herein to use a semi-polar grid to extract 2D cross-sections from the static 3D geometries, and then interpolate them to obtain the vocal tract dynamics. Other approaches such as the adaptive grid have also been explored. In this method, cross-sections are defined perpendicular to the vocal tract midline, as typically done in 1D to obtain the vocal tract area functions. However, intersections between adjacent cross-sections may occur during the interpolation process, especially when the vocal tract midline quickly changes its orientation. In contrast, the semi-polar grid prevents these intersections because the plane orientations are fixed over time. Finite element simulations of static vowels are first conducted, showing that 3D acoustic wave propagation is not significantly altered when the semi-polar grid is used instead of the adaptive grid. The vowel-vowel sequence [ɑi] is finally simulated to demonstrate the method. ; QC 20170828 Keyword: Language Technology (Computational Linguistics); Språkteknologi (språkvetenskaplig databehandling) URL: https://doi.org/10.21437/Interspeech.2017-448 http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-212994 BASE Hide details 7 Using a Biomechanical Model and Articulatory Data for the Numerical Production of Vowels Dabbaghchian, Saeed; Guasch, Oriol; Stavness, Ian. - : KTH, Tal, musik och hörsel, TMH, 2016. : GTM Grup de recerca en Tecnologies Mèdia, La Salle, Universitat Ramon Llull, Barcelona, Spain, 2016 BASE Show details 8 Influence of vocal tract geometry simplifications on the numerical simulation of vowel sounds Arnela, Marc; Dabbaghchian, Saeed; Blandin, Rémi. - : KTH, Tal, musik och hörsel, TMH, 2016 BASE Show details 9 SIMPLIFICATION OF VOCAL TRACT SHAPES WITH DIFFERENT LEVELS OF DETAIL Arnela, Marc; Engwall, Olov; Dabbaghchian, Saeed. - : KTH, Tal-kommunikation, 2015. : University of Glasgow, 2015 BASE Show details 10 Effects of vocal tract geometry simplifications on the numerical simulation of vowels Blandin, Rémi; Guasch, Oriol; Dabbaghchian, Saeed. - : KTH, Tal-kommunikation, 2015 BASE Show details 11 From Tongue Movement Data to Muscle Activation – A Preliminary Study of Artisynth's Inverse Modelling Dabbaghchian, Saeed; Engwall, Olov; Nilsson, Isak. - : KTH, Tal, musik och hörsel, TMH, 2014 BASE Show details 12 On mispronunciation analysis of individual foreign speakers using auditory periphery models Koniaris, Christos; Salvi, Giampiero; Engwall, Olov In: Speech communication. - Amsterdam [u.a.] : Elsevier 55 (2013) 5, 691-706 OLC Linguistik Show details 13 Automatic assessment of non-native prosody annotation, modelling and evaluation Hönig, Florian Verfasser]. - Augsburg : Universität Augsburg, 2012 DNB Subject Category Language Show details 14 Analysis of and feedback on phonetic features in pronunciation training with a virtual teacher Engwall, Olov In: Computer assisted language learning. - Colchester [u.a.] : Taylor & Francis 25 (2012) 1, 37-64 OLC Linguistik Show details 15 Analysis of and feedback on phonetic features in pronunciation training with a virtual teacher Engwall, Olov. - : KTH, Tal-kommunikation, 2012 BASE Show details 16 Exploring the Predictability of Non-Unique Acoustic-to-Articulatory Mappings Engwall, Olov; Neiberg, Daniel; Ananthakrishnan, Gopal. - : KTH, Tal, musik och hörsel, TMH, 2012. : Institute of Electrical and Electronics Engineers (IEEE), 2012 BASE Show details 17 Mapping between Acoustic and Articulatory Gestures Ananthakrishnan, G.; Engwall, Olov In: ISSN: 0167-6393 ; EISSN: 1872-7182 ; Speech Communication ; https://hal.archives-ouvertes.fr/hal-00727161 ; Speech Communication, Elsevier : North-Holland, 2011, 53 (4), pp.567. ⟨10.1016/j.specom.2011.01.009⟩ (2011) BASE Show details 18 Audiovisual-to-articulatory inversion Engwall, Olov; Kjellström, Hedvig In: Speech communication. - Amsterdam [u.a.] : Elsevier 51 (2009) 3, 195-209 BLLDB OLC Linguistik Show details 19 Audiovisual-to-articulatory inversion Kjellström, Hedvig; Engwall, Olov In: Speech communication. - Amsterdam [u.a.] : Elsevier 51 (2009) 3, 195-209 OLC Linguistik Show details 20 Pronunciation feedback from real and virtual language teachers Engwall, Olov; Bälter, Olle In: Computer assisted language learning. - Colchester [u.a.] : Taylor & Francis 20 (2007) 3, 235-262 BLLDB OLC Linguistik Show details Page: 1 2

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