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

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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.
Publisher
Springer
Issue Date
2015-03
Language
English
Citation

Lecture Notes in Computer Science, v.9027, pp.113 - 124

ISSN
0302-9743
DOI
10.1007/978-3-319-16498-4_11
URI
http://hdl.handle.net/10203/204040
Appears in Collection
GCT-Journal Papers(저널논문)
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