{"title":"Real-Time Symbolic Transcription and Interactive Transformation Using a Hexaphonic Nylon-String Guitar","authors":"Sérgio Freire;Augusto Armondes;Rubens Silva","doi":"10.1162/comj_a_00625","DOIUrl":null,"url":null,"abstract":"GuiaRT is an interactive musical setup based on a nylon-string guitar equipped with hexaphonic piezoelectric pickups. It consists of a modular set of real-time tools for the symbolic transcription, variation, and triggering of selected segments during a performance, as well as some audio processing capabilities. Its development relied on an iterative approach, with distinct phases dedicated to feature extraction, transcriptions, and creative use. This article covers the motivations for this augmented instrument and several details of its implementation, including the hardware and strategies for identifying the most typical types of sound produced on a nylon-string guitar, as well as tools for symbolic musical transformations. This acoustic–digital interface was primarily designed for interactive exploration, and it has also been effectively used in performance analyses and as a pedagogical tool.","PeriodicalId":50639,"journal":{"name":"Computer Music Journal","volume":"45 4","pages":"20-39"},"PeriodicalIF":0.4000,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Computer Music Journal","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10301946/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS","Score":null,"Total":0}
引用次数: 0
Abstract
GuiaRT is an interactive musical setup based on a nylon-string guitar equipped with hexaphonic piezoelectric pickups. It consists of a modular set of real-time tools for the symbolic transcription, variation, and triggering of selected segments during a performance, as well as some audio processing capabilities. Its development relied on an iterative approach, with distinct phases dedicated to feature extraction, transcriptions, and creative use. This article covers the motivations for this augmented instrument and several details of its implementation, including the hardware and strategies for identifying the most typical types of sound produced on a nylon-string guitar, as well as tools for symbolic musical transformations. This acoustic–digital interface was primarily designed for interactive exploration, and it has also been effectively used in performance analyses and as a pedagogical tool.
期刊介绍：
Computer Music Journal is published quarterly with an annual sound and video anthology containing curated music¹. For four decades, it has been the leading publication about computer music, concentrating fully on digital sound technology and all musical applications of computers. This makes it an essential resource for musicians, composers, scientists, engineers, computer enthusiasts, and anyone exploring the wonders of computer-generated sound.
Edited by experts in the field and featuring an international advisory board of eminent computer musicians, issues typically include:
In-depth articles on cutting-edge research and developments in technology, methods, and aesthetics of computer music
Reports on products of interest, such as new audio and MIDI software and hardware
Interviews with leading composers of computer music
Announcements of and reports on conferences and courses in the United States and abroad
Publication, event, and recording reviews
Tutorials, letters, and editorials
Numerous graphics, photographs, scores, algorithms, and other illustrations.
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