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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 Hits 1 – 14 of 14 1 Cross-lingual acoustic modeling in upper sorbian - preliminary study Duckhorn, Frank; Rjelka, Marek; Wolff, Matthias; Tschöpe, Constanze; Kraljevski, Ivan In: Fraunhofer IKTS (2021) Abstract: In this paper, we present a preliminary study for acoustic modeling in Upper Sorbian, where a model of German was used in cross-lingual transfer learning. At first, we define the grapheme and phoneme inventories and map the target phonemes from the most similar German source equivalents. Phonetically balanced sentences for the recording prompts were selected from a combination of general and domain-specific textual data. The speech corpora with a total duration of around 11 hours was collected in controlled recording sessions involving an equal number of females, males, and children. The baseline acoustic model was employed to force-align the speech corpora given the knowledge-based phoneme mappings. The goodness of the mappings was evaluated by the phoneme confusions in free-phoneme recognition. The new derived data-driven model with a reduced phoneme set was included in the adaptation and evaluation along with the baseline acoustic model. The model adaptation performance was cross-validated with the “Leave One Group Out” strategy. We observed major improvements in phoneme error rates after adaptation for the knowledge-based and data-driven phoneme mappings. The study confirmed the feasibility of transfer learning for acoustic model adaptation in the case of Upper Sorbian, at the same time demonstrating practical usability with a small vocabulary speech recognition application (Smart Lamp). Keyword: acoustic modeling; speech recognition; Upper Sorbian URL: http://publica.fraunhofer.de/documents/N-633297.html BASE Hide details 2 Glottal Stops in Upper Sorbian: A Data-Driven Approach Wolff, Matthias; Tschöpe, Constanze; Duckhorn, Frank... In: Fraunhofer IKTS (2021) BASE Show details 3 Reinforcement learning of minimalist grammars ... Graben, Peter beim; Römer, Ronald; Meyer, Werner. - : arXiv, 2020 BASE Show details 4 Reinforcement Learning of Minimalist Numeral Grammars ... Graben, Peter beim; Römer, Ronald; Meyer, Werner. - : arXiv, 2019 BASE Show details 5 Systemtheorie, Signalverarbeitung, Sprachtechnologie : Rüdiger Hoffmann zum 65. Geburtstag Mehnert, Dieter (Herausgeber); Kordon, Ulrich (Herausgeber); Wolff, Matthias (Herausgeber). - Dresden : TUDpress, 2013 UB Frankfurt Linguistik Show details 6 Elektronische Sprachsignalverarbeitung 2012 : Tagungsband der 23. Konferenz Cottbus, 29. - 31. August 2012 Wolff, Matthias (Hrsg.). - Dresden : TUDpress, 2012 UB Frankfurt Linguistik Show details 7 Einkanalige Störgeräuschunterdrückung zur Steigerung der Worterkennungsrate eines Spracherkenners Wittenberg, Sören; Petrick, Rico; Wolff, Matthias... In: Elektronische Sprachsignalverarbeitung. - Dresden : TUDpress 18 (2007), 52-59 BLLDB Show details 8 Anwendung von Finite State Machines in der automatischen Sprachverarbeitung - Tutorium Wolff, Matthias In: Elektronische Sprachsignalverarbeitung. - Dresden : TUDpress 17 (2006), 205-207 BLLDB Show details 9 Meta-classification for a language identification task Wolff, Matthias; Eichner, Matthias; Estelmann, Jens... In: Electronic speech signal processing. - Dresden : TUDpress (2005), 346-355 BLLDB Show details 10 Pronunciation variation modeling for spontaneous speech synthesis Werner, Steffen; Wolff, Matthias; Hoffmann, Rüdiger In: Electronic speech signal processing. - Dresden : TUDpress (2005), 381-387 BLLDB Show details 11 Toward spontaneous speech synthesis : utilizing language model information in TTS Werner, Steffen; Eichner, Matthias; Wolff, Matthias... In: Institute of Electrical and Electronics Engineers. IEEE transactions on speech and audio processing. - New York, NY : Inst. 12 (2004) 4, 436-445 BLLDB Show details 12 Inverse Probleme in der Sprachsignalverarbeitung Hoffmann, Rüdiger; Eichner, Matthias; Wolff, Matthias In: Phonetics and its applications. - Stuttgart : Steiner (2002), 420-434 BLLDB Show details 13 Tagungsband der elften Konferenz : Cottbus, 4. bis 6. September 2000 Fellbaum, Klaus (Hrsg.); Hess, Wolfgang (Mitarb.); Stöber, Karlheinz (Mitarb.)... In: Elektronische Sprachsignalverarbeitung. - Dresden : TUDpress 11 (2000), 5-262 BLLDB Show details 14 Automatische Generierung von Aussprachewörterbüchern aus Signaldaten Westendorf, Christian-M.; Wolff, Matthias In: Computer, Linguistik und Phonetik zwischen Sprache und Sprechen. - Frankfurt am Main [u.a.] : Lang (1998), 213-225 BLLDB Show details

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