Temat: 43.72.Ar - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of Polish Pathological Speech by Higher Order Spectrum
Autorzy:: Wszołek, W.
Kłaczyński, M.
Powiązania:: https://bibliotekanauki.pl/articles/1537593.pdf
Data publikacji:: 2010-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 43.70.Dn
43.72.Ar
43.60.-c
Opis:: This paper presents a next, consecutive stage of the authors' research, concerning the search for additional signal processing methods, which could be used for objective detection and registration of pathological changes in the larynx and vocal tract area. This paper presents pathological speech analyzing by suitably directed higher order spectra analysis (HOSA).
Źródło:: Acta Physica Polonica A; 2010, 118, 1; 190-191
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The Role of Acoustic Features in Marking Accent and Delimiting Sentence Boundaries in Spoken Polish
Autorzy:: Igras, M.
Ziółko, B.
Powiązania:: https://bibliotekanauki.pl/articles/1377558.pdf
Data publikacji:: 2014-12
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 43.72.+q
43.55.Ka
43.72.Ar
43.72.Ne
Opis:: In this article the authors investigated and presented statistical models of acoustic phenomena observed within realizations of phonemes and the correlations of the acoustic properties with functional features, such as accents and sentence boundaries. The authors used two databases: the first one contained separately produced sentences and the second one - phrases extracted from larger, continuous stretches of natural speech. The authors also statistically analyzed the selected features of Polish phonemes' realizations (the duration, energy and power of the phonemes, the fundamental frequency of voiced phones) in order to detect their relations with the phone location in a sentence. Additionally, the authors built the probabilistic models and suggested the evaluation methods to assess quantitatively the phenomena known from phonetic literature. Finally, the authors have identified the pre-boundary lengthening of the phones and a decrease of energy and pitch as the markers of sentence endings. In the place of accented syllables, we have observed a significant increase of total energy and power, accompanied by a local increase of F0. Finally, we have indicated possible application of the results for speech technology.
Źródło:: Acta Physica Polonica A; 2014, 126, 6; 1246-1257
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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