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Abstract

Despite various speech enhancement techniques have been developed for different applications, existing methods are limited in noisy environments with high ambient noise levels. Speech presence probability (SPP) estimation is a speech enhancement technique to reduce speech distortions, especially in low signalto-noise ratios (SNRs) scenario. In this paper, we propose a new two-dimensional (2D) Teager-energyoperators (TEOs) improved SPP estimator for speech enhancement in time-frequency (T-F) domain. Wavelet packet transform (WPT) as a multiband decomposition technique is used to concentrate the energy distribution of speech components. A minimum mean-square error (MMSE) estimator is obtained based on the generalized gamma distribution speech model in WPT domain. In addition, the speech samples corrupted by environment and occupational noises (i.e., machine shop, factory and station) at different input SNRs are used to validate the proposed algorithm. Results suggest that the proposed method achieves a significant enhancement on perceptual quality, compared with four conventional speech enhancement algorithms (i.e., MMSE-84, MMSE-04, Wiener-96, and BTW).

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Authors and Affiliations

Pengfei Sun
Jun Qin
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Abstract

The aim of this study was to examine whether there are differences in the performance on simple and complex mathematical tasks depending on the personality traits and the presence of an audience. After completing the personality questionnaire, within the first experimental session, participants (N=70) solved one set of simple and one set of complex mathematical tasks. In the second session participants solved another set of simple and another set of complex tasks. In one of the sessions, participants were solving tasks in front of the audience, while in the other session the audience was absent. The results indicate that presence of an audience facilitates performance of those participants low on neuroticism, but only when they are solving simple tasks.
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Authors and Affiliations

Barbara Kalebić Maglica
1
Petra Anić
1
Domagoj Švegar
1
Hana Mehonjić
1

  1. University of Rijeka, Faculty of Humanities and Social Sciences, Department of Psychology, Croatia
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Abstract

Virtual reality (VR) technology now provides players with immersive and realistic experiences as never before. Spatial presence plays a crucial role in the introduction of immersive experience in a VR environment. Spatial presence is a special feeling of personal and physical presence in the displayed environment. In this study, we found that the first-person perspective (1PP) was more effective in raising the sense of spatial presence that induces immersive experience compared to the third-person perspective (3PP) in a VR shooting game. Moreover, eye blink rate was significantly higher in the 1PP compared with the 3PP. The 1PP game setting was more realistic than the 3PP setting, and may have raised participants’ sense of immersion and facilitated eye blink. These results indicate that eye blink rate is increased by the sense of spatial presence, and can be a good measure of subjective immersive experience in a VR environment. Neuroscientific evidences suggest that dopaminergic system is involved in such emotional experiences and physiological responses.

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Authors and Affiliations

Tomohide Ishiguro
Cohta Suzuki
Hiroki Nakakoji
Yusuke Funagira
Motoharu Takao
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Abstract

This paper invites not to reflect on festivals as a celebration or a transgression but to observe them as «a play with» meaning and communication. The author considers the folklore as a genuine laboratory of observation of everyday life. He illustrates his analysis with the examples of the Binche Carnival (Belgium) and of Labour Day (1st of May) and gives an interpretation with G. Bateson’s concept of «play», as the English anthropologist had used to describe the play of animals at fighting. This leads the author to strongly insist on the small details of behaviours always imprinted with a “not” characteristic of ritual contexts.

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Authors and Affiliations

Albert Piette
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Abstract

In France, as well as in other countries of the French language, the relationship between the Bible and literature mirrors the dilemma facing the European culture, a culture founded on the Greek and Roman civilization, when it was becoming Christianized. The Christians in the French speaking Europe confront the problem of 'double-fidelity': either to the Bible as the Truth, or to the Greek and Roman culture representing Art. Two trends can be observed. Some would try to prove the artistic superiority of the Bible over pagan literature. Others would attempt to show that even in that kind of non-Christian literature it is possible to observe the presence of supernatural truth. The dilemma abates and loses its importance starting with the XVIII century when literature as such emancipates and becomes an autonomous reality of esthetic character.

Unsurprisingly, in the Middle Ages, the Bible constitutes the crucial source of inspiration for French literature. Authors compose paraphrases and long poems based on Biblical motifs. There appear mystery plays, with their performance often spread over a number of days. In the XVI century, both Catholics and Protestants produce a number of translations of the Holy Scriptures. There appear poetic pa- raphrases of psalms, and also extensive epic poems adopting various Biblical threads. In the XVII century, the genre of poetic meditation appears in addition to the genres already mentioned. On the other hand, the kind of drama based on Biblical themes is in retreat; it finds refuge in the academic theater, when it becomes superseded by works of the classicist character. In the beginning of the XVIII cen- tury, some scholars try to demonstrate the religious character of the works of Antiquity.

Together with the rationalism of Enlightenment, there appears a new attitude towards the Bible. In Voltaire, the Bible is an object of attacks and of ridicule. In Rousseau, it is a paradigm for the kind of discourse that is supposed to take its place. In Romanticism, we can observe the influence of the Bible over both Christian and non-Christian writers. In the works of the latter, the poet becomes a mystagogue interpreting the old myths. The Bible influences poetry; it serves as a stylistic and esthetic model, as a source of themes and motifs, and also as a point of reference for poems in the philosophy of history with the pantheistic or else progressist and utopic message, and for non-Christian apocrypha. In Symbolism, the Bible becomes completely despoiled of its religious value. It is being used in entirely atheistic and subjectivist ways. By the end of the XIX century, and in the first half of the XX century, we observe in France some kind of Catholic renaissance. The Bible is present in the prophetic works of Le'on Bloy. It becomes the object of the exegetical work of Claudel, of the poetry of Jouve and P. Emmanuel. In non-Christian writers in loses its function of the book of faith and becomes a book of myths.

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Authors and Affiliations

Jerzy Kaczorowski
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Abstract

This article is an attempt to identify the main themes in the literary work of Zygmunt Haupt, a Polish writer, journalist and painter, who emigrated to the United States in the aftermath of World War II. His writings show a keen awareness of the issue of absence/presence and the related problems of memory traits, identity and literary representation. Drawing on the psychoanalytical criticism of Jacques Lacan and Julia Kristeva and the philosophy of Jacques Derrida, this reading of Haupt’s fi ction, especially his short stories (whose collected edition was published in 2007 under the title The Basque Devil), is a critical reassessment of his work. As a storyteller he excels in the depiction of scenes of terror, desire and the uncanny. The article argues Haupt’s work represents not only a remarkable literary achievement but also offers an interesting study case for critics whose approach is founded on literary theory, psychoanalysis and anthropology.

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Authors and Affiliations

Michał Zając
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Abstract

The aim of this article is to trace the relationship between time and dead bodies or human remains in selected works of the Romantic period featuring Poland’s legendary (pre)history, notably Józef Ignacy Kraszewski’s Stara baśń ( An Ancient Tale), ‘Lech’ from Deotyma’s Polska w pieśni ( Poland in Song), Cyprian Norwid’s Wanda and Krakus, and Juliusz Słowacki’s Balladyna, Lilla Weneda and Król-Duch ( The Spirit King). As Polish state was effaced from the political map of Europe (“laid in the grave”) the Romantics sought to affirm Poland’s indelible cultural and historical continuity by blurring the hard bound-ary between past and present. Hence a new interest in all kinds of burial sites – tombs, mounds and barrows – and the human remains interred there. Their continued presence undermines simple notions of life and death.
The article examines the poetic elaborations of the idea of temporality, especially the imagery used to challenge the official narrative of Poland’s history. If the dead (con-ceived realistically or symbolically) do not cease to exist, the historiography of the victors does not have the last word. Moreover, by reanimating the dead, investing them with a bodily form and giving each of them a voice to tell their story, the Romantic writers produced a new way of history writing based on a radical revision of the relationship between past, present and future.
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Authors and Affiliations

Agnieszka Pałucka
1
ORCID: ORCID

  1. Szkoła Doktorska Nauk Humanistycznych UJ

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