The Augmented Tonoscope
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Response Variation of Chladni Patterns on Vibrating Elastic Plate Under Electro-Mechanical Oscillation
Nigerian Journal of Technology (NIJOTECH) Vol. 38, No. 3, July 2019, pp. 540 – 548 Copyright© Faculty of Engineering, University of Nigeria, Nsukka, Print ISSN: 0331-8443, Electronic ISSN: 2467-8821 www.nijotech.com http://dx.doi.org/10.4314/njt.v38i3.1 RESPONSE VARIATION OF CHLADNI PATTERNS ON VIBRATING ELASTIC PLATE UNDER ELECTRO-MECHANICAL OSCILLATION A. E. Ikpe1,*, A. E. Ndon2 and E. M. Etuk3 1, DEPT OF MECHANICAL ENGINEERING, UNIVERSITY OF BENIN, P.M.B. 1154, BENIN, EDO STATE, NIGERIA 2, DEPT OF CIVIL ENGINEERING, AKWA IBOM STATE UNIVERSITY, MKPAT ENIN, AKWA IBOM STATE, NIGERIA 3, DEPT OF PRODUCTION ENGINEERING, UNIVERSITY OF BENIN, P.M.B. 1154, BENIN, EDO STATE, NIGERIA E-mail addresses: 1 [email protected], 2 [email protected], 3 [email protected] ABSTRACT Fine grain particles such as sugar, sand, salt etc. form Chladni patterns on the surface of a thin plate subjected to acoustic excitation. This principle has found its relevance in many scientific and engineering applications where the displacement or response of components under the influence of vibration is vital. This study presents an alternative method of determining the modal shapes on vibrating plate in addition to other existing methods like the experimental method by Ernst Chladni. Three (3) finite element solvers namely: CATIA 2017 version, ANSYS R15.0 2017 version and HYPERMESH 2016 version were employed in the modelling process of the 0.40 mm x 0.40 mm plate and simulation of corresponding mode shapes (Chladni patterns) as well as the modal frequencies using Finite Element Method (FEM). Result of modal frequency obtained from the experimental analysis agreed with the FEM simulated, with HYPERMESH generated results being the closest to the experimental values. -
Machfive 3 User Guide
MachFive 3 User Guide 1280 Massachusetts Avenue Cambridge, MA 02138 Business voice: +1 (617) 576-2760 Business fax: +1 (617) 576-3609 Website: www.motu.com Tech support: www.motu.com/support About the Mark of the Unicorn License Agreement and About the Ultimate Sound Bank License Agreement Limited Warranty on Software DO NOT USE THIS PRODUCT UNTIL YOU HAVE READ THIS LICENSE TO PERSONS WHO PURCHASE OR USE THIS PRODUCT: carefully AGREEMENT. BY USING THIS PRODUCT YOU ACCEPT THIS LICENSE read all the terms and conditions of the “click-wrap” license agreement AGREEMENT. presented to you when you install the software. Using the software or this 1. License Grant. USB grants to you, subject to the following terms and documentation indicates your acceptance of the terms and conditions of conditions, a non-exclusive, nontransferable right to use each authorized that license agreement. copy of the enclosed product. The enclosed product is the property of USB Mark of the Unicorn, Inc. (“MOTU”) owns both this program and its and is licensed to you only for use as part of a musical performance. This documentation. Both the program and the documentation are protected license expressly forbids resale or other distribution of these Sounds or their under applicable copyright, trademark, and trade-secret laws. Your right to derivatives, either as they exist on disc, reformatted for use in another digital use the program and the documentation are limited to the terms and sampler, or mixed, combined, filtered, resynthesized or otherwise edited, for conditions described in the license agreement. use as sounds, samples, multisamples, wavetables, programs or patches in a sampler, microchip or any hardware or software sample playback device. -
Green Belt Slowly Coming Together
Kemano, Kemano, Kemano She loved the outdoors 1 I Bountiful harvest Reaction to the death of the ~ Vicki Kryklywyj, the heart and soul / /Northern B.C, Winter Games project keeps rolling in by,fax, mail of local hikers, is / / athletes cleaned up in Williams,, and personal delivery/NEWS A5 : remembered/COMMUNITY B1 j /Lake this year/SPORTS Cl I • i! ':i % WEDNESDAY FEBROARY 151 1995 I'ANDAR. /iiii ¸ :¸!ilii if!// 0 re n d a t i p of u n kn own ice b e rg" LIKE ALL deals in the world of tion Corp. effective April 30, the That title is still held by original "They've phoned us and have and the majority of its services, lulose for its Prince Rupert pulp high finance, the proposed amal- transfer of Orenda's forest licorice owners Avenor Inc. of Montreal requested a meeting but there's induding steam and effluent mill for the next two years. gamation of Orenda Forest Pro- must be approved by the provin- and a group of American newspa- been no confirmation of a time treaUnent, are tied to the latter. Even should all of the Orenda duels with a mostly American cial government. per companies. for that meeting," said Archer Avenor also owns and controls pulp fibre end up at Gold River, it company is more complicated There's growing opposition to The partuership built the mill in official Norman Lord from docking facilities and a chipper at still will fall short of the 5130,000 than it first seems. the move to take wood from the the late 1980s but dosed it in the Montreal last week. -
Orbital Shaped Standing Waves Using Chladni Plates
doi.org/10.26434/chemrxiv.10255838.v1 Orbital Shaped Standing Waves Using Chladni Plates Eric Janusson, Johanne Penafiel, Andrew Macdonald, Shaun MacLean, Irina Paci, J Scott McIndoe Submitted date: 05/11/2019 • Posted date: 13/11/2019 Licence: CC BY-NC-ND 4.0 Citation information: Janusson, Eric; Penafiel, Johanne; Macdonald, Andrew; MacLean, Shaun; Paci, Irina; McIndoe, J Scott (2019): Orbital Shaped Standing Waves Using Chladni Plates. ChemRxiv. Preprint. https://doi.org/10.26434/chemrxiv.10255838.v1 Chemistry students are often introduced to the concept of atomic orbitals with a representation of a one-dimensional standing wave. The classic example is the harmonic frequencies which produce standing waves on a guitar string; a concept which is easily replicated in class with a length of rope. From here, students are typically exposed to a more realistic three-dimensional model, which can often be difficult to visualize. Extrapolation from a two-dimensional model, such as the vibrational modes of a drumhead, can be used to convey the standing wave concept to students more easily. We have opted to use Chladni plates which may be tuned to give a two-dimensional standing wave which serves as a cross-sectional representation of atomic orbitals. The demonstration, intended for first year chemistry students, facilitates the examination of nodal and anti-nodal regions of a Chladni figure which students can then connect to the concept of quantum mechanical parameters and their relationship to atomic orbital shape. File list (4) Chladni manuscript_20191030.docx (3.47 MiB) view on ChemRxiv download file SUPPORTING INFORMATION Materials and Setup Phot.. -
Catalog INTERNATIONAL
اﻟﻤﺆﺗﻤﺮ اﻟﻌﺎﻟﻤﻲ اﻟﻌﺸﺮون ﻟﺪﻋﻢ اﻻﺑﺘﻜﺎر ﻓﻲ ﻣﺠﺎل اﻟﻔﻨﻮن واﻟﺘﻜﻨﻮﻟﻮﺟﻴﺎ The 20th International Symposium on Electronic Art Ras al-Khaimah 25.7833° North 55.9500° East Umm al-Quwain 25.9864° North 55.9400° East Ajman 25.4167° North 55.5000° East Sharjah 25.4333 ° North 55.3833 ° East Fujairah 25.2667° North 56.3333° East Dubai 24.9500° North 55.3333° East Abu Dhabi 24.4667° North 54.3667° East SE ISEA2014 Catalog INTERNATIONAL Under the Patronage of H.E. Sheikha Lubna Bint Khalid Al Qasimi Minister of International Cooperation and Development, President of Zayed University 30 October — 8 November, 2014 SE INTERNATIONAL ISEA2014, where Art, Science, and Technology Come Together vi Richard Wheeler - Dubai On land and in the sea, our forefathers lived and survived in this environment. They were able to do so only because they recognized the need to conserve it, to take from it only what they needed to live, and to preserve it for succeeding generations. Late Sheikh Zayed bin Sultan Al Nahyan viii ZAYED UNIVERSITY Ed unt optur, tet pla dessi dis molore optatiist vendae pro eaqui que doluptae. Num am dis magnimus deliti od estem quam qui si di re aut qui offic tem facca- tiur alicatia veliqui conet labo. Andae expeliam ima doluptatem. Estis sandaepti dolor a quodite mporempe doluptatus. Ustiis et ium haritatur ad quaectaes autemoluptas reiundae endae explaboriae at. Simenis elliquide repe nestotae sincipitat etur sum niminctur molupta tisimpor mossusa piendem ulparch illupicat fugiaep edipsam, conecum eos dio corese- qui sitat et, autatum enimolu ptatur aut autenecus eaqui aut volupiet quas quid qui sandaeptatem sum il in cum sitam re dolupti onsent raeceperion re dolorum inis si consequ assequi quiatur sa nos natat etusam fuga. -
Real-Time 3D Graphic Augmentation of Therapeutic Music Sessions for People on the Autism Spectrum
Real-time 3D Graphic Augmentation of Therapeutic Music Sessions for People on the Autism Spectrum John Joseph McGowan Submitted in partial fulfilment of the requirements of Edinburgh Napier University for the degree of Doctor of Philosophy October 2018 Declaration I, John McGowan, declare that the work contained within this thesis has not been submitted for any other degree or professional qualification. Furthermore, the thesis is the result of the student’s own independent work. Published material associated with the thesis is detailed within the section on Associate Publications. Signed: Date: 12th October 2019 J J McGowan Abstract i Abstract This thesis looks at the requirements analysis, design, development and evaluation of an application, CymaSense, as a means of improving the communicative behaviours of autistic participants through therapeutic music sessions, via the addition of a visual modality. Autism spectrum condition (ASC) is a lifelong neurodevelopmental disorder that can affect people in a number of ways, commonly through difficulties in communication. Interactive audio-visual feedback can be an effective way to enhance music therapy for people on the autism spectrum. A multi-sensory approach encourages musical engagement within clients, increasing levels of communication and social interaction beyond the sessions. Cymatics describes a resultant visualised geometry of vibration through a variety of mediums, typically through salt on a brass plate or via water. The research reported in this thesis focuses on how an interactive audio-visual application, based on Cymatics, might improve communication for people on the autism spectrum. A requirements analysis was conducted through interviews with four therapeutic music practitioners, aimed at identifying working practices with autistic clients. -
Martinho, Claudia. 2019. Aural Architecture Practice: Creative Approaches for an Ecology of Affect
Martinho, Claudia. 2019. Aural Architecture Practice: Creative Approaches for an Ecology of Affect. Doctoral thesis, Goldsmiths, University of London [Thesis] https://research.gold.ac.uk/id/eprint/26374/ The version presented here may differ from the published, performed or presented work. Please go to the persistent GRO record above for more information. If you believe that any material held in the repository infringes copyright law, please contact the Repository Team at Goldsmiths, University of London via the following email address: [email protected]. The item will be removed from the repository while any claim is being investigated. For more information, please contact the GRO team: [email protected] !1 Aural Architecture Practice Creative Approaches for an Ecology of Affect Cláudia Martinho Goldsmiths, University of London PhD Music (Sonic Arts) 2018 !2 The work presented in this thesis has been carried out by myself, except as otherwise specified. December 15, 2017 !3 Acknowledgments Thanks to: my family, Mazatzin and Sitlali, for their support and understanding; my PhD thesis’ supervisors, Professor John Levack Drever and Dr. Iris Garrelfs, for their valuable input; and everyone who has inspired me and that took part in the co-creation of this thesis practical case studies. This research has been supported by the Foundation for Science and Technology fellowship. Funding has also been granted from the Department of Music and from the Graduate School at Goldsmiths University of London, the arts organisations Guimarães Capital of Culture 2012, Invisible Places and Lisboa Soa, to support the creation of the artworks presented in this research as practical case studies. -
From Hydrophonics to Interactive Sound Fountains
From Hydrophonics to Interactive Sound Fountains Johannes Birringer From “Series One” – Open Studio Exhibition, Derby University April – May 2008. Although modest and seemingly unspectacular, Caroline Locke’s phrase “seeing sound” – a phrase she used to describe her interests in creating sculptural sound-performance works when I first met her in 2004 – has stuck with me. It is an odd paradox, but one that has gained resonance in recent years as we have moved along with the scientific and technological advances in a culture obsessed with data visualizations and location mapping. Today’s ultrasonic medical scanning of our arterial blood flow allows us to peer inside ourselves, so to speak. We depend on x-ray vision to diagnose a fracture of our bones, and neurologists look into our brains to pinpoint areas responsible for thoughts, feelings, and actions. Sound and vision are two closely related sensory registers, yet we do not commonly think of sight being audible, and sound being visible. We do not see with our ears, we use them to listen to the wind as we go forth in the world, as the anthropologist Tim Ingold once suggested, noting that wind and breath are intimately related in the continuous movement of inhalation and exhalation that is fundamental to life and being.1 1 Cf. Tim Ingold, “Against Soundscape,” in Angus Carlyle (ed.), Autumn. Leaves: Sound and the Environment in Artistic Practice (Paris: Double Entendre, 2007), pp. 10-13. 2 Even though my immediate contact with Caroline Locke’s artistic creativity and collaborative ventures was limited to a brief two-year period (2004-05), I propose to reflect here on her major performance installation Hydrophonics (2005) and her on-going preoccupation with water and sound, attempting to sketch a particular collaborative and interactive trajectory in the various manifestations of her artistic project. -
Selected Filmography of Digital Culture and New Media Art
Dejan Grba SELECTED FILMOGRAPHY OF DIGITAL CULTURE AND NEW MEDIA ART This filmography comprises feature films, documentaries, TV shows, series and reports about digital culture and new media art. The selected feature films reflect the informatization of society, economy and politics in various ways, primarily on the conceptual and narrative plan. Feature films that directly thematize the digital paradigm can be found in the Film Lists section. Each entry is referenced with basic filmographic data: director’s name, title and production year, and production details are available online at IMDB, FilmWeb, FindAnyFilm, Metacritic etc. The coloured titles are links. Feature films Fritz Lang, Metropolis, 1926. Fritz Lang, M, 1931. William Cameron Menzies, Things to Come, 1936. Fritz Lang, The Thousand Eyes of Dr. Mabuse, 1960. Sidney Lumet, Fail-Safe, 1964. James B. Harris, The Bedford Incident, 1965. Jean-Luc Godard, Alphaville, 1965. Joseph Sargent, Colossus: The Forbin Project, 1970. Henri Verneuil, Le serpent, 1973. Alan J. Pakula, The Parallax View, 1974. Francis Ford Coppola, The Conversation, 1974. Sidney Pollack, The Three Days of Condor, 1975. George P. Cosmatos, The Cassandra Crossing, 1976. Sidney Lumet, Network, 1976. Robert Aldrich, Twilight's Last Gleaming, 1977. Michael Crichton, Coma, 1978. Brian De Palma, Blow Out, 1981. Steven Lisberger, Tron, 1982. Godfrey Reggio, Koyaanisqatsi, 1983. John Badham, WarGames, 1983. Roger Donaldson, No Way Out, 1987. F. Gary Gray, The Negotiator, 1988. John McTiernan, Die Hard, 1988. Phil Alden Robinson, Sneakers, 1992. Andrew Davis, The Fugitive, 1993. David Fincher, The Game, 1997. David Cronenberg, eXistenZ, 1999. Frank Oz, The Score, 2001. Tony Scott, Spy Game, 2001. -
William Broadhead Professor of History Thesis Supervisor
Vitruvius on Architecture: A Modem Application and Stability Analysis of Classical Structures by Ana S. Escalante Submitted to the Department of Mechanical Engineering in Partial Fulfillment of the Requirements for the Degree of Bachelor of Science in Mechanical Engineering at the Lj Massachusetts Institute of Technology June 2013 0 2013 Ana S. Escalante. All rights reserved. The author hereby grants to MIT permission to reproduce and to distribute publicly paper and electronic copies of this thesis document in whole or in part in any medium now known or hereafter created Signature of Author: F , 2 I- - Department of Mechanical Engineering May 28, 2013 Certified by: William Broadhead Professor of History Thesis Supervisor Accepted by: Annette Hosoi Professor of Mechanical Engineering Undergraduate Officer 1 2 Vitruvius on Architecture: A Modem Application and Stability Analysis of Classical Structures by Ana S. Escalante Submitted to the Department of Mechanical Engineering on June 7, 2013 in Partial Fulfillment of the Requirements for the Degree of Bachelor of Science in Mechanical Engineering ABSTRACT Imperial Rome has left numerous legacies, the most well-known being its literature and monuments. Though many monuments, such as the Pantheon, are well-preserved, in cases where little physical evidence remains, historians can often use literary sources to inform reconstruction efforts. For more technical studies of Roman construction, technical literature is rare and the contemporary awareness of such literature even less known. When Vitruvius wrote De architectura,he did not intend for it to be a manual for instruction but rather a central source of general architectural knowledge. Directly aimed at architects, contractors, and other individuals involved in the design and construction of buildings, De architecturaprovides insight into contemporary technical knowledge. -
Wave Goodbye to Sound Waves
www.cymascope.com Wave Goodbye to Sound Waves Wave Goodbye to Sound Waves John Stuart Reid Sound is a wave, right? If you share this commonly held belief it is probably because everything you have ever read or been told about sound, whether from high school, popular science books or university courses has said so. And yet, if our eyes could see sound, we would not see waves wiggling their way through the air. Instead, we would see something quite surprising, as you will soon learn. So how did the popular belief in ‘sound waves’ begin? The confusion may have begun with German musician and physicist Ernst Chladni (1756-1827), sometimes described as ‘the father of acoustics.’ Chladni was inspired by the earlier work of English scientist Robert Hooke (1635–1703), who made contributions to many fields including mathematics, optics, mechanics, architecture and astronomy. In 1680 Hooke devised an apparatus consisting of a glass plate covered with flour that he ‘played’ with a violin bow. He was fascinated by the resulting patterns. Around 1800 this phenomenon Ernst Chladni was further explored by Ernst Robert Hooke Chladni, who used a brass plate and sand. Brass is a highly resonant metal and the bell-like sounds he created resulted in the sand grains organizing themselves into complex geometric patterns. These archetypal patterns are now referred to as ‘Chladni Figures,’ although the originator of the invention was actually Hooke. Chladni demonstrated this seemingly magical phenomenon all over Europe and he even had an audience with Napoleon. The French leader was so impressed that he sponsored a competition with The French Academy of Sciences in order to acquire an explanation as to the mechanism behind the sand patterns. -
Universal Tuning Editor
Universal Tuning Editor Ηπ INSTRUMENTS Aaron Andrew Hunt Ηπ INSTRUMENTS hpi.zentral.zone · Universal Tuning Editor · documentation v11 1.May.2021 Changes from Previous Documentation 5 Current Version, v11 — 1. May 2021 ....................................................................5 Previous Versions ............................................................................................5 Introduction 9 Features List .................................................................................................9 User Interface Basics ......................................................................................11 Maximising the Detail View ..............................................................................12 Maximising the Tuning List ..............................................................................13 Toolbar .......................................................................................................13 Bug Reporting & Feedback ...............................................................................14 Feature Requests ..........................................................................................14 File Handling 15 Preferences ..................................................................................................15 Auto store unsaved projects internally ...............................................................15 Restore external projects at next session ...........................................................15 Prompt to handle each open project