Toward Certain Sonic Properties of an Audio Feedback System by Evolutionary Control of Second-Order Structures

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• 作者：Seunghun Kim (16)
  Juhan Nam (16)
  Graham Wakefield (17)
  
  16. Graduate School of Culture Technology ; Korea Advanced Institute of Science and Technology (KAIST) ; Dahakro 291 ; Yuseong-gu ; Daejeon ; Republic of Korea
  17. Digital Media ; Visual Art and Art History ; York University ; 4700 Keele St. ; Toronto ; Canada
  
• 关键词：Audio feedback ; Evolutionary algorithm
• 刊名：Lecture Notes in Computer Science
• 出版年：2015
• 出版时间：2015
• 年：2015
• 卷：9027
• 期：1
• 页码：113-124
• 全文大小：2,960 KB
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• 作者单位：Evolutionary and Biologically Inspired Music, Sound, Art and Design
• 丛书名：978-3-319-16497-7
• 刊物类别：Computer Science
• 刊物主题：Artificial Intelligence and Robotics
  Computer Communication Networks
  Software Engineering
  Data Encryption
  Database Management
  Computation by Abstract Devices
  Algorithm Analysis and Problem Complexity
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1611-3349

文摘

Aiming for high-level intentional control of audio feedback, though microphones, loudspeakers and digital signal processing, we present a system adapting toward chosen sonic features. Users control the system by selecting and changing feature objectives in real-time. The system has a second-order structure in which the internal signal processing algorithms are developed according to an evolutionary process. Genotypes develop into signal-processing algorithms, and fitness is measured by analysis of the incoming audio feedback. A prototype is evaluated experimentally to measure changes of audio feedback depending on the chosen target conditions. By enhancing interactivity of an audio feedback through the intentional control, we expect that feedback systems could be utilized more effectively in the fields of musical interaction, finding balance between nonlinearity and interactivity.