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Wyświetlanie 1-15 z 684
Tytuł:
Design and effectiveness verification of sound reduction measures in production hall
Autorzy:
Moravec, M.
Liptai, P.
Dzuro, T.
Badida, M.
Powiązania:
https://bibliotekanauki.pl/articles/103293.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
sound insulating measures
sound analysis
sound measurements
design
Opis:
The main aim of the work described in this paper was to design and validate measures to reduce noise levels in a training center. This training center serves for the practical training of students with the focus in the shaping and machining engineering products. Reduction of noise in the training center was mainly due to the clarity and hearing of the spoken word between the lecturer and students, as well as to reduce the risk of hearing damage. In order to reduce noise levels, it was proposed to overlap the training center with a roof structure filled with sound absorbing material in two solutions. The noise absorption coefficient of the selected material was determined on the impedance tube. For verification of effectiveness, measurements of equivalent A sound levels were made before and after realization noise reduction measures. Reduction of equivalent A sound pressure levels after the noise reduction measures are between 15.5 dB and 17.5 dB depending on the measuring point and the operating mode. The effectiveness of the implemented measures reaches a good level, as noise was reduced to the recommended legislative level.
Źródło:
Advances in Science and Technology. Research Journal; 2017, 11, 4; 220-224
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Audiosfera jako kategoria literaturoznawcza. Próba przybliżenia zagadnienia
Audiosphere as a Category of Literary Studies. An Attempt to Bring the Issue Closer
Autorzy:
Piaskowski, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/1068777.pdf
Data publikacji:
2021-03-11
Wydawca:
Łódzkie Towarzystwo Naukowe
Tematy:
sound
audiosphere
soundscape
sound in poetry
sound studies
Opis:
The audiosphere is a capacious, ambiguous category, often freely used in contextual research. It is a term that has long been present in literary studies, but is used quite freely. The aim of this article will be an in-depth look at the ways of using the word 'audiosphere' and, finally, an attempt to specify research meanings useful in the context of literary studies. The terminology that organizes the sound order of a language exists in the study of literature in two modes. Each mode represents a different path in the development of the field of meanings of the audiosphere category. The first of them was developed by literary researchers as early as the 1980s, where the audiosphere was identified with the audial medium of presenting a literary text, i.e. with singing, recitation or speech. The second mode was subordinated to contemporary influences of cultural anthropology. The creation of sound studies and the so-called sound anthropology resulted in a flood of new meanings of the word 'sound', as well as the need to develop cognitively useful descriptive categories. In this context, the audiosphere is a very Polish term. It is mainly used by Polish researchers, strictly distinguishing it from the soundscape category, which is more common in Western studies. In the article, the two models outlined above will be confronted with each other, and the purpose of this juxtaposition will be to cause shifts in terms of meanings. On the basis of a relatively outlined definition, the basic features of the audiosphere within literary research will be listed. This will make it possible to clarify which specific features of this category are useful in the context of literary studies and which should be rejected. Ultimately, it is about working out the possibility of creating a model of audial interpretation of a poetic text.
Źródło:
Zagadnienia Rodzajów Literackich; 2020, 63, 4; 133-150
0084-4446
Pojawia się w:
Zagadnienia Rodzajów Literackich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Binaural and Ambisonic Sound as the Future Standard of Digital Games
Autorzy:
Farkaš, Tomáš
Powiązania:
https://bibliotekanauki.pl/articles/485113.pdf
Data publikacji:
2018
Wydawca:
Univerzita sv. Cyrila a Metoda. Fakulta masmediálnej komunikácie
Tematy:
ambisonic sound
binaural sound
difficulty
digital games
film
graphics
sound
Opis:
The author of this study suggests an idea that the auditive element of digital games is soon going to be one of the most important factors influencing their overall success, popularity, and originality. He analyses the phenomenon of binaural and ambisonic sound, its evolution and uses in the context of modern audio-visual work, primarily focusing on games. The auditive component and its increasingly important role are analyzed in connection with the graphic design of games, virtual reality, as well as the popularity of specific games. This paper also focuses on audio-games, the use of binaural sound (which was first used on a large scale in Hellblade: Senua’s Sacrifice) and various hybrid digital games, which are balancing between classic games and audio-games. Argumentation is based on an assumption that binaural sound is the way to ambisonic sound, which (within the context of the immersive and interactive character of digital games) predestines the new standard and shows an entirely new way of creating and using digital games at the same time. All of this is reflected in the context of the graphic design of digital games and their future.
Źródło:
Acta Ludologica; 2018, 1, 2; 34-46
2585-8599
Pojawia się w:
Acta Ludologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Characteristic of Sound Reflections from Curved Reflective Panels
Autorzy:
Szeląg, A.
Kamisiński, T.
Lewińska, M.
Rubacha, J.
Pilch, A.
Powiązania:
https://bibliotekanauki.pl/articles/177712.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sound reflection
reflective panels
sound scattering
Opis:
The paper presents the verification of a solution to the narrow sound frequency range problem of flat reflective panels. The analytical, numerical and experimental studies concerned flat panels, panels with curved edges and also semicircular elements. There were compared the characteristics of sound reflected from the studied elements in order to verify which panel will provide effective sound reflection and also scattering in the required band of higher frequencies, i.e. above the upper limit frequency. Based on the conducted analyzes, it was found that among some presented solutions to narrow sound frequency range problem, the array composed of panels with curved edges is the most preferred one. Nevertheless, its reflection characteristic does not meet all of the requirements, therefore, it is necessary to search for another solution of canopy which is effective over a wide frequency range.
Źródło:
Archives of Acoustics; 2014, 39, 4; 549-558
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ontoestetyka dźwięku i kultura słuchania. Dyskurs metateoretyczny sound studies
Onto-aesthetics of Sound and Auditory Culture. Metatheoretical Discourse in Sound Studies
Autorzy:
Lniak, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/1068813.pdf
Data publikacji:
2021-03-11
Wydawca:
Łódzkie Towarzystwo Naukowe
Tematy:
sound studies
onto-aesthetics
auditory culture
sound culture studies
sound machineries
Opis:
The article presents a critical approach to the sound studies debate, concerning its metatheoretical aspects. The point of departure is a paper by Brian Kane that opens the first issue of “Sound Studies: An Interdisciplinary Journal”. Kane criticizes the ontoaesthetic perspective within the discipline. My aim is to introduce sound studies both as an interdisciplinary and transdisciplinary field of humanities, dominated by two — instead of one referred by Kane — research strategies: audio-antropological and onto-aesthetical. By focusing on the latter, where the works by Christoph Cox and Salomé Voegelin are situated, I want to propose a different, affective-materialistic approach to sound studies, based not on the opposition between signification and sound/vibration, but on the relationship between the Deleuzoguattarian machinic concepts and the musical avant-garde. Referring to excerpts from articles and manifestos by Luigi Russolo, Edgar Varèse, Pierre Schaeffer and Pauline Oliveros, I show that the machinic sound imagination once accompanied the historical avantgarde and neo-avant-garde movements. It is the key to break with the anti-post-structural approach in sound studies in favor of a more relational perspective. This perspective, within the onesthetic paradigm, would allow for the interpretation of sound machinery as elements of the machine system (aesthetic, social, cultural) in which sound operates.
Źródło:
Zagadnienia Rodzajów Literackich; 2020, 63, 4; 27-39
0084-4446
Pojawia się w:
Zagadnienia Rodzajów Literackich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przykłady przetwarzania dźwięku w środowisku VisSim
Examples of sound processing in the VisSim environment
Autorzy:
Noga, K. M.
Powiązania:
https://bibliotekanauki.pl/articles/268490.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
Tematy:
dźwięk
obróbka dźwięku
efekty brzmieniowe
sound
processing of sound
sound effect
Opis:
W artykule zostały przedstawione zagadnienia, omawiane na wykładzie z Cyfrowego Przetwarzania Sygnałów, z zakresu tworzenia i obróbki dźwięku, ze szczególnym uwzględnieniem symulacji efektów brzmieniowych. Przykładowe wirtualne układy zostały zbudowane w środowisku VisSim.
The possibilities of creating and processing of sound are presented in environment VisSim. The special attention is paid to the simulation of sound effects. The author presents a number of virtual circuits which allow to easily to explore the reverberation, ping-pong, phasing and echo effects, the equalizer and brainwave generator.
Źródło:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2017, 52; 99-104
1425-5766
2353-1290
Pojawia się w:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sound Scattering by an Elastic Spherical Shell and its Cancellation using a Multi-pole Approach
Autorzy:
Avital, E. J.
Bholah, N. D.
Giovanelli, G. C.
Miloh, T.
Powiązania:
https://bibliotekanauki.pl/articles/177764.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sound scattering
structural dynamics
sound cancellation
Opis:
The scattering and transmission of sound by an elastic spherical shell is considered when it is subject to an incoming monochromatic planar wave. It is aimed to cancel the sound scattering using combinations of multi-pole sources located at the centre of a shell filled with compressible fluid. Assuming linear acoustics and structural dynamics, exact solutions are derived for total elimination of the sound scattering for three cases: a free-space, near a hard ground or near a free-surface, where in the last two cases it is assumed that the incoming wave propagates normal to the interface to maximize sound reflection back unto the source of the incoming wave. An elastic spherical shell of 1 m radius embedded in water and filled with air or oil is analysed to show the dominance of low-mode numbers for frequencies of less than 10 kHz and thus demonstrate the ability of this approach to damp acoustic scattering by means of low-order multi-poles inside the shell. Contour and mode distribution plots are also given and analysed.
Źródło:
Archives of Acoustics; 2017, 42, 4; 697-705
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Use of Combinatorial Methods for Sound Scanning of Objects
Autorzy:
Tsmot, I.
Riznyk, O.
Rabyk, V.
Powiązania:
https://bibliotekanauki.pl/articles/411064.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:
ideal ring bundle
non-uniform structure
sound diagnostic
sound generator
sound scanning
Opis:
In article considers application of combinatorial methods for research of sound images scan by the medium of integer sequences – ideal ring bundles as comfortable mathematical models for synthesis and optimization of systems with non-uniform structure. By using combinatorial approaches quality of methods based on the passage of sound signals through the tissues can be significantly improved. Studies show that the use of integer sequences based on the ideal ring bundles in information conversion tasks ensures simplicity of hardware application.
Źródło:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2018, 7, 3; 59-62
2084-5715
Pojawia się w:
ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Noise Problem Indicated in Computer Sound Cards Used as Hi-Fi Recording Devices
Autorzy:
Matusiak, M.
Powiązania:
https://bibliotekanauki.pl/articles/108720.pdf
Data publikacji:
2010
Wydawca:
Społeczna Akademia Nauk w Łodzi
Tematy:
computer sound card
electric noise
sound card DSP
sound card noise
Opis:
A sound reception is one of important human perceptions and a contact with the surrounded world. Now computer devices are the main equipment to almost perfectly record and playback a wide range of sounds. Music or sound cards play the central role in this process. The Author has tested several cards concentrating the attention specially on their external versions but internal versions were also investigated for comparison. Usually specially constructed external sound cards are better than much compromised internal versions built directly other electronic circuits on the computer mainboard. It was proved during experiments measuring noise parameters – not always. A simplicity of the construction and other digital circuits closeness create difficult conditions for a noiseless action but in a popular class equipment only. Three external cards, one of PCI interfaces E-MU - 0404 for studio recording and two of USB interface, potentially worse designed by Creative Labs - Sound Blaster Connect and by Lexicon - Alpha. All Hi-Fidelity requirements are performed by each card but noise levels are different. Conclusions are shortly presented here: 1. Built-in sound cards, specialized for Hi-Fi recording are better with noise parameters than external USB devices 2. The newer built-in card (Dell Studio laptop) is only a little bit worse than special professional card by Creative Professional (E-MU 0404) 3. USB cards include additional preamps (very useful) but present in noise charts ad-ditional interferences (peaks) and its noises are a few dB bigger 4. Newer USB cards (Lexicon Alpha) are much better than older (Sound Blaster Connect). The noise difference is up to 10 dB (abt. 3 times) Results are clearly shown using tables, charts and mathematical formulas derived from own experiments.
Źródło:
Journal of Applied Computer Science Methods; 2010, 2 No. 2; 191-199
1689-9636
Pojawia się w:
Journal of Applied Computer Science Methods
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kultura dźwięku w ośrodku „Brama Grodzka – teatr NN”
The culture of sound in the "Grodzka gate – NN theatre" centre
Autorzy:
Skrzypek, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/87692.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Geograficzne
Tematy:
kultura dźwięku
dźwięk
culture of sound
sound
Opis:
This essey presents the experience and reflection of a cultural insitution on the values of soundscape and methods of making contemporary people more sensitive to it. The aim of the text is to share this experience with scholars and scientists in order to work together on the quality of sonic environment more effectively. The author criticizes the most popular and simplest methods of measuring noise by electronic instruments and reducing it by physical separation of citizens from its sources because they do not reduce noise emission and introduce additional barriers into urban landscape. From the prespective of the Forum for Space Culture (one of the Centre's activities) better methods of fighting annoying souds consist in better city planning and valuating soundscape in relation to its significance in local context. The second part of the essey presents the development of sensitivity to soundscape in the Centre. The first source of interest in this medium was theatre as the kind art in which sound plays a unique role and requires thorough treatment. The second source was the Grodzka Gate whose history lead the founders of the Centre to exploring the local past by recording Oral History. The combination of these two inspirations lead to a series of projects and public events such: publishment of a CD with Oral History about Lublin Jews, sonic environments of exhibitions, hearings of radio reportages and "myteries" – open space events offering participants to experience sounds connected with local cultural heritage. A unique project broadening sensitivity to soundscape is a project The Invisible Map of Wrocław (printed in Polish, German and English) presented by its author Maciej Buczyński during the meeting of the Forum for Space Culture at the conference. It is a guide to Wrocław, created by people who have never seen the city in which they live. The idea behind this project was to visit and document places which have a special meaning to blind people in order to get closer to them and learn how they perceive the world. The resulting catalogue of 31 places portrayed through photography, description and sounds.
Źródło:
Prace Komisji Krajobrazu Kulturowego; 2008, 11; 320-326
1896-1460
2391-5293
Pojawia się w:
Prace Komisji Krajobrazu Kulturowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thinking Through New Methodologies. Sounding Out the City With Teenagers
Autorzy:
O’Keeffe, Linda
Powiązania:
https://bibliotekanauki.pl/articles/2107030.pdf
Data publikacji:
2021-12-10
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
New Methodologies
Sound
Sound Mapping
Soundwalks
Soundscape
Opis:
This paper explores the place for sound within social theory, more specifically, how sound as a subject can be interpreted methodologically. The paper examines the various methods implemented within a Ph.D. research project. The research adopted a participatory approach, examining the missing voices in the post design of place. In this way, the research focused on those groups often excluded in the design of urban space, teenagers. The methods included participant documented soundwalking, sound mapping, focus groups, and ethnographic soundwalks. This paper argues that a closer attention to sound, when examining the urban area, will help shape one’s understanding of the everyday. Methods that explore sound as part of the makeup of social life, either as place building or space making, whether they are politically intentional or historically relevant, need to be advanced.
Źródło:
Qualitative Sociology Review; 2015, 11, 1; 6-32
1733-8077
Pojawia się w:
Qualitative Sociology Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study on Sound Transmission across a Floating Floor in a Residential Building by Using SEA
Autorzy:
Huang, Xianfeng
Lu, Yimin
Qu, Chen
Zhu, Chenhui
Powiązania:
https://bibliotekanauki.pl/articles/1953500.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
sound transmission
floating floor
impact noise
sound insulation
Opis:
For the purpose of reducing the impact noise transmission across floating floors in residential buildings, two main sound transmission paths in the floating floor structure are considered: the stud path and the cavity path. The sound transmission of each path is analysed separately: the sound transmission through the cavity and the stud are predicted by statistical energy analysis (SEA). Then, the sound insulation prediction model of the floating floor is established. There is reasonable agreement between the theoretical prediction and measurement, and the results show that a resilient layer with low stiffness can attenuate the sound bridge effect, resulting in higher impact noise insulation. Then, the influences of the floor covering, the resilient layer and the floor plate on the impact sound insulation are investigated to achieve the optimised structure of the floating floor based on the sound insulation.
Źródło:
Archives of Acoustics; 2021, 46, 1; 183-194
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Understanding Auditory Space in Digital Games for Visually Impaired People
Autorzy:
Farkaš, Tomáš
Powiązania:
https://bibliotekanauki.pl/articles/41317521.pdf
Data publikacji:
2024
Wydawca:
Univerzita sv. Cyrila a Metoda. Fakulta masmediálnej komunikácie
Tematy:
ambisonic sound
attenuation
audio games
auditory dimensions
auditory space
binaural sound
digital games
sound
sound design
visually impaired
Opis:
The article seeks to establish a foundational framework for comprehending crucial definitions and concepts related to auditory space in digital gaming, particularly focusing on audio games designed for visually impaired individuals (VI), often devoid of graphical interfaces. While existing studies often emphasize players’ interactions with interfaces and the acquisition of real-life skills, this text explores audio games through the lens of entertainment and immersion. Numerous studies indicate a demand among visually impaired players for more intricate and challenging games, incorporating elements usually used in standard digital gaming experiences. By combining definitions from both audio and traditional digital games, this article broadens the scope of sound design considerations, encompassing various aspects and classifications. It presents several auditory dimensions, consolidating them into a comprehensive dimension called attenuation, putting their roles within a game’s context. The author is a sound designer currently working on an audio game; therefore, many of the presented definitions are also a guide that will represent some of his own considerations while working on this game. These include not only the use of binaural or ambisonic sound but also understanding the ways and means of how to work with (3D) space in the context of audio and its possible functions.
Źródło:
Acta Ludologica; 2024, 7, 1; 136-150
2585-8599
Pojawia się w:
Acta Ludologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Revised Sound Energy Theory Based on a New Formula for the Reverberation Radius in Rooms with Non-Diffuse Sound Field
Autorzy:
Arau-Puchades, H.
Berardi, U.
Powiązania:
https://bibliotekanauki.pl/articles/177958.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
reverberation radius
critical distance
non-diffuse sound field
sound energy
revised sound decay theory
Opis:
This paper discusses the concept of the reverberation radius, also known as critical distance, in rooms with non-uniformly distributed sound absorption. The reverberation radius is the distance from a sound source at which the direct sound level equals the reflected sound level. The currently used formulas to calculate the reverberation radius have been derived by the classic theories of Sabine or Eyring. However, these theories are only valid in perfectly diffused sound fields; thus, only when the energy density is constant throughout a room. Nevertheless, the generally used formulas for the reverberation radius have been used in any circumstance. Starting from theories for determining the reverberation time in non-diffuse sound fields, this paper firstly proposes a new formula to calculate the reverberation radius in rooms with non-uniformly distributed sound absorption. Then, a comparison between the classic formulas and the new one is performed in some rectangular rooms with non-uniformly distributed sound absorption. Finally, this paper introduces a new interpretation of the reverberation radius in non-diffuse sound fields. According to this interpretation, the time corresponding to the sound to travel a reverberation radius should be assumed as the lower limit of integration of the diffuse sound energy.
Źródło:
Archives of Acoustics; 2015, 40, 1; 33-40
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Automatic Synthesis of Musical Phrases from Multi-Pitch Samples
Autorzy:
Pluta, M.
Spalek, L. J.
Delekta, R. J.
Powiązania:
https://bibliotekanauki.pl/articles/177577.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sound synthesis
synthesis methods
sampling
Concatenative Sound Synthesis
Opis:
Sound synthesizers are a natural element of a musician’s toolset. In music arrangement, samplers can often produce satisfactory results, but it requires a combination of manual and automatic methods that may be arduous at times. Concatenative Sound Synthesis reproduces many of natural performance- and expression-related nuances but at a cost of high demand for processing power. Here, another method of musical phrase synthesis aimed at music arrangement is presented that addresses these and other related issues. Contrary to common practice, we propose to record and utilize sound samples containing not one, but short sequences of pitches. In effect, natural pitch transitions are preserved and phrases appear to be much smoother, despite using very limited set of performance rules. The proof-of-concept implementation of the proposed method is discussed in detail along with attempts at optimizing the final sound effects, based on auditory tests. The limitations and future applications of the synthesizer are also discussed.
Źródło:
Archives of Acoustics; 2017, 42, 2; 235-247
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 684

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