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Wyszukujesz frazę "Szymański, G. M." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Development of Large Vocabulary Continuous Speech Recognition for Polish
Autorzy:
Demenko, G.
Szymański, M.
Cecko, R.
Kuśmierek, E.
Lange, M.
Wegner, K.
Klessa, K.
Owsianny, M.
Powiązania:
https://bibliotekanauki.pl/articles/1490468.pdf
Data publikacji:
2012-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.72.-p
43.72.+q
Opis:
In this study, the results of acoustic modeling used in a large vocabulary continuous speech recognition system are presented. The acoustic models have been developed with the use of a phonetically controlled large corpus of contemporary spoken Polish. Evaluation experiments showed that relatively good speech recognition results may be obtained with adequate training material, taking into account: (a) the presence of lexical stress; (b) speech styles (a variety of segmental and prosodic structures, various degrees of spontaneity of speech (spontaneous vs. read speech), pronunciation variants and dialects); (c) the influence of the sound level and background noises. The present large vocabulary continuous speech recognition evaluation results were obtained with Sclite assessment software. Moreover, the article delivers information about the speech corpus structure and contents and also a brief outline of the design and architecture of the automatic speech recognition system.
Źródło:
Acta Physica Polonica A; 2012, 121, 1A; A-086-A-091
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optically Pumped Laser Action on Nitride Based Separate Confinement Heterostructures Grown along the (11¯20) Crystallographic Direction
Autorzy:
Teisseyre, H.
Szymański, M.
Khachapuridze, A.
Skierbiszewski, C.
Feduniewicz-Żmuda, A.
Siekacz, M.
Łucznik, B.
Kamler, G.
Kryśko, M.
Suski, T.
Perlin, P.
Grzegory, I.
Porowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/2047728.pdf
Data publikacji:
2007-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
42.55.Px
78.45.+h
78.66.Fd
Opis:
The intention of this work is to discuss and report on our research on nonpolar laser structures grown on bulk GaN crystal substrates along the (11¯20) nonpolar direction. The main advantages of such nonpolar structures are related to the elimination of the built-in electric fields present in commonly used systems grown along the polar (0001) axis of nitride crystals. We demonstrated the optically pumped laser action on separate confinement heterostructures. Laser action is clearly shown by spontaneous emission saturation, abrupt line narrowing, and strong transversal electric polarization of output light. The lasing threshold was reached at an excitation power density of 260 kW/cm$\text{}^{2}$ for a 700μm long cavity (at room temperature).
Źródło:
Acta Physica Polonica A; 2007, 112, 2; 467-472
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Method of Teaching Spatial Orientation to the Blind
Autorzy:
Hojan, E.
Jakubowski, M.
Talukder, A.
Wereda, H.
Furmann, A.
Ewertowski, R.
Skrodzka, E.
Perz, P.
Pękala, P.
Bogusz, E.
Lubawy, H.
Tomaszewski, F.
Czechyra, B.
Orczyk, M.
Szymański, G.
Niewiarowicz, M.
Hojan-Jezierska, D.
Jezierska, A.
Powiązania:
https://bibliotekanauki.pl/articles/1490435.pdf
Data publikacji:
2012-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.66.Yw
Opis:
Elaboration of a new method of teaching spatial orientation to blind and visually handicapped persons base on urban environment sounds was shown. Task 1 is a questionnaire inquiry on the problems of the blind moving in a big city. In Task 2 a preliminary selection and classification of the acoustic signals and vibrations that can be useful for spatial orientation was made. In Task 3 an analysis of acoustic signals for sound signalisation at pedestrian crossings was made. Some solutions for acoustic signalization were proposed. In Task 4 sounds and vibrations necessary for a library of acoustic events and situations characteristic of a city were recorded. In Task 5 the library was created and arranged to be ready to be used by teachers in the spatial orientation training. The most important outcome of the study was to develop a method of spatial orientation teaching with employment of sounds and verification of the method (Task 6). After verification it is concluded that the method is useful for spatial education of the blind at different levels of their education.
Źródło:
Acta Physica Polonica A; 2012, 121, 1A; A-005-A-008
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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