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Space Vector Modulated Hybrid Series Active Filter for Harmonic Compensation
space vector modulated Hybrid Series Active Filter for Harmonic Compensation Sushree Diptimayee Swain∗, Pravat Kumar Ray† and Kanungo Barada Mohanty‡ Department of Electrical Engineering National Institute of Technology, Rourkela, Rourkela-769 008, India ∗[email protected] †[email protected] ‡[email protected] Abstract—This paper deals with the implementation of Hy- nomenon between the PPFs and source impedance. But the brid Series Active Power Filter (HSAPF) for compensation of usage of only APFs is a very costly solution because it needs harmonic voltage and current using Space Vector Pulse Width comparatively very large power converter ratings. Considering Modulation (SVPWM) technique. The Hybrid control approach based Synchronous Reference Frame(SRF) method is used to the merits of PPFs and APFs, Hybrid Active Power Filters are generate the appropriate reference voltages for HSAPF to com- designed HAPFs [9], [10] are very much efficient for reactive pensate reactive power. This HSAPF uses PI control to the outer power and harmonic compensation. The design of HAPFs are DC-link voltage control loop and SVPWM to the inner voltage based on cutting-edge power electronics technology, which control loop. The switching pattern for the switching of the includes power conversion circuits, semiconductor devices, inverter of series active power filter in HSAPF is generated using SVPWM technique. The proposed HSAPF is verified through analog/digital signal processing, voltage/current sensors and MATLAB Simulink version R2010 for SRF control -
The 17-Tone Puzzle — and the Neo-Medieval Key That Unlocks It
The 17-tone Puzzle — And the Neo-medieval Key That Unlocks It by George Secor A Grave Misunderstanding The 17 division of the octave has to be one of the most misunderstood alternative tuning systems available to the microtonal experimenter. In comparison with divisions such as 19, 22, and 31, it has two major advantages: not only are its fifths better in tune, but it is also more manageable, considering its very reasonable number of tones per octave. A third advantage becomes apparent immediately upon hearing diatonic melodies played in it, one note at a time: 17 is wonderful for melody, outshining both the twelve-tone equal temperament (12-ET) and the Pythagorean tuning in this respect. The most serious problem becomes apparent when we discover that diatonic harmony in this system sounds highly dissonant, considerably more so than is the case with either 12-ET or the Pythagorean tuning, on which we were hoping to improve. Without any further thought, most experimenters thus consign the 17-tone system to the discard pile, confident in the knowledge that there are, after all, much better alternatives available. My own thinking about 17 started in exactly this way. In 1976, having been a microtonal experimenter for thirteen years, I went on record, dismissing 17-ET in only a couple of sentences: The 17-tone equal temperament is of questionable harmonic utility. If you try it, I doubt you’ll stay with it for long.1 Since that time I have become aware of some things which have caused me to change my opinion completely. -
Kūnqǔ in Practice: a Case Study
KŪNQǓ IN PRACTICE: A CASE STUDY A DISSERTATION SUBMITTED TO THE GRADUATE DIVISION OF THE UNIVERSITY OF HAWAI‘I AT MĀNOA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY IN THEATRE OCTOBER 2019 By Ju-Hua Wei Dissertation Committee: Elizabeth A. Wichmann-Walczak, Chairperson Lurana Donnels O’Malley Kirstin A. Pauka Cathryn H. Clayton Shana J. Brown Keywords: kunqu, kunju, opera, performance, text, music, creation, practice, Wei Liangfu © 2019, Ju-Hua Wei ii ACKNOWLEDGEMENTS I wish to express my gratitude to the individuals who helped me in completion of my dissertation and on my journey of exploring the world of theatre and music: Shén Fúqìng 沈福庆 (1933-2013), for being a thoughtful teacher and a father figure. He taught me the spirit of jīngjù and demonstrated the ultimate fine art of jīngjù music and singing. He was an inspiration to all of us who learned from him. And to his spouse, Zhāng Qìnglán 张庆兰, for her motherly love during my jīngjù research in Nánjīng 南京. Sūn Jiàn’ān 孙建安, for being a great mentor to me, bringing me along on all occasions, introducing me to the production team which initiated the project for my dissertation, attending the kūnqǔ performances in which he was involved, meeting his kūnqǔ expert friends, listening to his music lessons, and more; anything which he thought might benefit my understanding of all aspects of kūnqǔ. I am grateful for all his support and his profound knowledge of kūnqǔ music composition. Wichmann-Walczak, Elizabeth, for her years of endeavor producing jīngjù productions in the US. -
Cataloguing Chinese Art in the Middle and Late Imperial Eras
University of Pennsylvania ScholarlyCommons Publicly Accessible Penn Dissertations Spring 2010 Tradition and Transformation: Cataloguing Chinese Art in the Middle and Late Imperial Eras YEN-WEN CHENG University of Pennsylvania, [email protected] Follow this and additional works at: https://repository.upenn.edu/edissertations Part of the Asian Art and Architecture Commons, Asian History Commons, and the Cultural History Commons Recommended Citation CHENG, YEN-WEN, "Tradition and Transformation: Cataloguing Chinese Art in the Middle and Late Imperial Eras" (2010). Publicly Accessible Penn Dissertations. 98. https://repository.upenn.edu/edissertations/98 This paper is posted at ScholarlyCommons. https://repository.upenn.edu/edissertations/98 For more information, please contact [email protected]. Tradition and Transformation: Cataloguing Chinese Art in the Middle and Late Imperial Eras Abstract After obtaining sovereignty, a new emperor of China often gathers the imperial collections of previous dynasties and uses them as evidence of the legitimacy of the new regime. Some emperors go further, commissioning the compilation projects of bibliographies of books and catalogues of artistic works in their imperial collections not only as inventories but also for proclaiming their imperial power. The imperial collections of art symbolize political and cultural predominance, present contemporary attitudes toward art and connoisseurship, and reflect emperors’ personal taste for art. The attempt of this research project is to explore the practice of art cataloguing during two of the most important reign periods in imperial China: Emperor Huizong of the Northern Song Dynasty (r. 1101-1125) and Emperor Qianlong of the Qing Dynasty (r. 1736-1795). Through examining the format and content of the selected painting, calligraphy, and bronze catalogues compiled by both emperors, features of each catalogue reveal the development of cataloguing imperial artistic collections. -
3 Manual Microtonal Organ Ruben Sverre Gjertsen 2013
3 Manual Microtonal Organ http://www.bek.no/~ruben/Research/Downloads/software.html Ruben Sverre Gjertsen 2013 An interface to existing software A motivation for creating this instrument has been an interest for gaining experience with a large range of intonation systems. This software instrument is built with Max 61, as an interface to the Fluidsynth object2. Fluidsynth offers possibilities for retuning soundfont banks (Sf2 format) to 12-tone or full-register tunings. Max 6 introduced the dictionary format, which has been useful for creating a tuning database in text format, as well as storing presets. This tuning database can naturally be expanded by users, if tunings are written in the syntax read by this instrument. The freely available Jeux organ soundfont3 has been used as a default soundfont, while any instrument in the sf2 format can be loaded. The organ interface The organ window 3 MIDI Keyboards This instrument contains 3 separate fluidsynth modules, named Manual 1-3. 3 keysliders can be played staccato by the mouse for testing, while the most musically sufficient option is performing from connected MIDI keyboards. Available inputs will be automatically recognized and can be selected from the menus. To keep some of the manuals silent, select the bottom alternative "to 2ManualMicroORGANircamSpat 1", which will not receive MIDI signal, unless another program (for instance Sibelius) is sending them. A separate menu can be used to select a foot trigger. The red toggle must be pressed for this to be active. This has been tested with Behringer FCB1010 triggers. Other devices could possibly require adjustments to the patch. -
Unified Music Theories for General Equal-Temperament Systems
Unified Music Theories for General Equal-Temperament Systems Brandon Tingyeh Wu Research Assistant, Research Center for Information Technology Innovation, Academia Sinica, Taipei, Taiwan ABSTRACT Why are white and black piano keys in an octave arranged as they are today? This article examines the relations between abstract algebra and key signature, scales, degrees, and keyboard configurations in general equal-temperament systems. Without confining the study to the twelve-tone equal-temperament (12-TET) system, we propose a set of basic axioms based on musical observations. The axioms may lead to scales that are reasonable both mathematically and musically in any equal- temperament system. We reexamine the mathematical understandings and interpretations of ideas in classical music theory, such as the circle of fifths, enharmonic equivalent, degrees such as the dominant and the subdominant, and the leading tone, and endow them with meaning outside of the 12-TET system. In the process of deriving scales, we create various kinds of sequences to describe facts in music theory, and we name these sequences systematically and unambiguously with the aim to facilitate future research. - 1 - 1. INTRODUCTION Keyboard configuration and combinatorics The concept of key signatures is based on keyboard-like instruments, such as the piano. If all twelve keys in an octave were white, accidentals and key signatures would be meaningless. Therefore, the arrangement of black and white keys is of crucial importance, and keyboard configuration directly affects scales, degrees, key signatures, and even music theory. To debate the key configuration of the twelve- tone equal-temperament (12-TET) system is of little value because the piano keyboard arrangement is considered the foundation of almost all classical music theories. -
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Advances in Social Science, Education and Humanities Research, volume 142 4th International Conference on Education, Language, Art and Inter-cultural Communication (ICELAIC 2017) Study on the Protection of Han Opera Master Mi Yingxian’s Opera Culture On Its Historical Contribution to the Formation of Peking Opera Yifeng Wei School of Humanities and Media Hubei University of Science and Technology Xianning, China 437100 Abstract—Mi Yingxian, native of Hubei Chongyang, was the Opera History. Obviously, his main contribution in Chinese recognized founder of Peking opera. In the periods of Qianlong opera history is the promotion of birth of Peking opera. and Jiaqing, he brought his Hubei Han tune to Beijing. He Meanwhile, he was one of key figures in the promotion of Han became the leader role of Chuntai Troupe, one of the four Hui Opera Singing Art and the maturity of its performance form. troupes. Later, the Han tune converged with Hui tune, which And he also made a crucial contribution to the spread of Han marked the formation of Peking opera. Mi Yingxian was one of tune in Beijing. the key figures in the confluence of the Han tune and Hui tune. For two hundred years he was recognized as the ancestor of elderly male characters in Peking opera circle and has enjoyed a A. Mi Yingxian's Outstanding Position in the History of high reputation in the history of Chinese opera. But Chinese Opera unfortunately, such an important artistic master with national He made great contribution to the spread of Han Opera in influence hasn’t been paid enough attention in Xianning City northern area. -
Shijing and Han Yuefu
SONGS THAT TOUCH OUR SOUL A COMPARATIVE STUDY OF FOLK SONGS IN TWO CHINESE CLASSICS: SHIJING AND HAN YUEFU by Yumei Wang A thesis submitted in conformity with the requirements for the degree of Master of Art Graduate Department of the East Asian Studies University of Toronto © Yumei Wang 2012 SONGS THAT TOUCH OUR SOUL A COMPARATIVE STUDY OF FOLK SONGS IN TWO CHINESE CLASSICS: SHIJING AND HAN YUEFU Yumei Wang Master of Art Graduate Department of the East Asian Studies University of Toronto 2012 Abstract The subject of my thesis is the comparative study of classical Chinese folk songs. Based on Jeffrey Wainwright, George Lansing Raymond, and Liu Xie’s theories, this study was conducted from four perspectives: theme, content, prosody structure and aesthetic features. The purposes of my thesis are to trace the originality of 160 folk songs in Shijing and 47 folk songs in Han yuefu , to illuminate the origin of Chinese folk songs and to demonstrate the secularism reflected in Chinese folk songs. My research makes contribution to the following four areas: it explores the relation between folk songs in Shijing and Han yuefu and compares the similarities and differences between them ; it reveals the poetic kinship between Shijing and Han yuefu; it evaluates the significance of the common people’s compositions; and it displays the unique artistic value and cultural influence of Chinese early folk songs. ii Acknowledgments I would like to express my sincere gratitude to my supervisor Professor Graham Sanders for his supervision, inspirations, and encouragements during my two years M.A study in the Department of East Asian Studies at University of Toronto. -
Musical Acoustics - Wikipedia, the Free Encyclopedia 11/07/13 17:28 Musical Acoustics from Wikipedia, the Free Encyclopedia
Musical acoustics - Wikipedia, the free encyclopedia 11/07/13 17:28 Musical acoustics From Wikipedia, the free encyclopedia Musical acoustics or music acoustics is the branch of acoustics concerned with researching and describing the physics of music – how sounds employed as music work. Examples of areas of study are the function of musical instruments, the human voice (the physics of speech and singing), computer analysis of melody, and in the clinical use of music in music therapy. Contents 1 Methods and fields of study 2 Physical aspects 3 Subjective aspects 4 Pitch ranges of musical instruments 5 Harmonics, partials, and overtones 6 Harmonics and non-linearities 7 Harmony 8 Scales 9 See also 10 External links Methods and fields of study Frequency range of music Frequency analysis Computer analysis of musical structure Synthesis of musical sounds Music cognition, based on physics (also known as psychoacoustics) Physical aspects Whenever two different pitches are played at the same time, their sound waves interact with each other – the highs and lows in the air pressure reinforce each other to produce a different sound wave. As a result, any given sound wave which is more complicated than a sine wave can be modelled by many different sine waves of the appropriate frequencies and amplitudes (a frequency spectrum). In humans the hearing apparatus (composed of the ears and brain) can usually isolate these tones and hear them distinctly. When two or more tones are played at once, a variation of air pressure at the ear "contains" the pitches of each, and the ear and/or brain isolate and decode them into distinct tones. -
格里菲斯旅游孔子学院邀请中国汉剧走进澳洲校园chinese Han Opera
格里菲斯旅游孔子学院邀请中国汉剧走进澳洲校园 Chinese Han Opera Visits Griffith University 应格里菲斯旅游孔子学院的邀请,武汉汉剧院一行 16 人于 11 月 26 日上午走进格里菲斯大学黄金海岸校区, 为孔院俱乐部学员和格里菲斯大学生提供了近距离感受中国地方戏曲的机会。当天晚上,旅游孔子学院协助 昆士兰楚天联谊会、昆士兰华人联合会和昆士兰华人艺术联合会在布里斯班 Sunpac 剧场举办了汉剧经典折子 戏的大型演出。 At the invitation of the Tourism Confucius Institute at Griffith University (TCI), a group of 16 people from the Wuhan Han Opera Company visited the TCI on the morning of November 26, providing a unique experience for TCI and Griffith university students. Later that night the TCI assisted the Queensland Chutian Friendship Association, the Queensland Chinese Federation and the Queensland Chinese Arts Federation to host a performance of classic Chinese opera at SunPAC in Brisbane. 汉剧,旧称楚调、汉调(楚腔、楚曲),俗称“二黄”。清代中叶形成于湖北境内,民国时期定名汉剧。汉剧 主要流传于湖北省,远及湘、豫、川等省的部分地区,有 400 多年历史,角色共分为十行,伴奏乐器有胡 琴、月琴、三弦、鼓板等。 Han opera, formerly known as Chu tune, Han tune (Chu Qian, Chu Qu), is commonly known as "Erhuang". This opera form originated in Hubei in the middle of the Qing Dynasty and became known as Han opera during the Republic of China era. Han opera is mainly found in the Hubei Province as well as Hunan, Henan, Sichuan and other provinces. It has a history of more than 400 years and features ten characters. The main instruments for accompaniment are the Huqin, Yueqin, Sanxian and Drum Board. 中国戏剧表演是一种独具特色的艺术表演形式,集中国诗歌、音乐、舞蹈、武术等多种艺术形式为一体,是 中国传统文化的瑰宝。因此在武汉汉剧院参观孔院之际,旅游孔子学院在 G52 International Building 前的区域 组织了这次“汉剧角色 cosplay”的活动。 Chinese traditional opera combines poetry, music, dance and martial arts. In order to take advantage of the Wuhan Han opera’s visit, the TCI organized a "Chinese opera character" event in front of the International Building on the Gold Coast campus. -
Exploring the Chinese Metal Scene in Contemporary Chinese Society (1996-2015)
"THE SCREAMING SUCCESSOR": EXPLORING THE CHINESE METAL SCENE IN CONTEMPORARY CHINESE SOCIETY (1996-2015) Yu Zheng A Thesis Submitted to the Graduate College of Bowling Green State University in partial fulfillment of the requirements for the degree of MASTER OF ARTS December 2016 Committee: Jeremy Wallach, Advisor Esther Clinton Kristen Rudisill © 2016 Yu Zheng All Rights Reserved iii ABSTRACT Jeremy Wallach, Advisor This research project explores the characteristics and the trajectory of metal development in China and examines how various factors have influenced the localization of this music scene. I examine three significant roles – musicians, audiences, and mediators, and focus on the interaction between the localized Chinese metal scene and metal globalization. This thesis project uses multiple methods, including textual analysis, observation, surveys, and in-depth interviews. In this thesis, I illustrate an image of the Chinese metal scene, present the characteristics and the development of metal musicians, fans, and mediators in China, discuss their contributions to scene’s construction, and analyze various internal and external factors that influence the localization of metal in China. After that, I argue that the development and the localization of the metal scene in China goes through three stages, the emerging stage (1988-1996), the underground stage (1997-2005), the indie stage (2006-present), with Chinese characteristics. And, this localized trajectory is influenced by the accessibility of metal resources, the rapid economic growth, urbanization, and the progress of modernization in China, and the overall development of cultural industry and international cultural communication. iv For Yisheng and our unborn baby! v ACKNOWLEDGMENTS First of all, I would like to show my deepest gratitude to my advisor, Dr. -
Intangible Heritage in Performing Arts in Taiwan
LIVING HERITAGE: INTANGIBLE HERITAGE IN PERFORMING ARTS IN TAIWAN by SHANGRONG TSAI A thesis submitted to the University of Birmingham for the degree of DOCTOR OF PHILOSOPHY Ironbridge International Institute for Cultural Heritage School of History and Cultures College of Arts and Law University of Birmingham May 2014 University of Birmingham Research Archive e-theses repository This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder. ABSTRACT Intangible heritage is a growing concept of emphasis in international communities. This study will define intangible heritage and focus on the performing arts in Taiwan. Inasmuch as Taiwanese Opera and Hand Puppetry are two of the most significant manifestations among others, research methods of qualitative interviews and non-participant observations will be used to gain an insight into their practices through investigating certain practitioners. This study will in particular explore organisational management and training approaches that ensure their artistry and skills are transmitted, contributing to the dissemination of intangible heritage. Furthermore, this study will inspect how the competent authorities determine the designation and registration of intangible heritage. Governmental schemes and their implementation for the safeguarding intangible heritage will be thoroughly examined, revealing the integrity and effectiveness of administrative systems, especially as the competent authorities are confronted by certain problems in the interpretation of intangible heritage, interaction with practitioners and controversy.