A corpus-based method for controlling guitar feedback

Ferguson, S; Johnston, AJ; Martin, AG

A corpus-based method for controlling guitar feedback

Ferguson, S

Johnston, AJ

Martin, AG

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Publisher:: Korea Advance Institute of Science and Technology
Publication Type:: Conference Proceeding
Citation:: Proceedings of the International Conference on New Interfaces for Musical Expression, 2013, pp. 541 - 546
Issue Date:: 2013-01

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Field	Value	Language
dc.contributor.author	Ferguson, S https://orcid.org/0000-0003-1853-3000	en_US
dc.contributor.author	Johnston, AJ https://orcid.org/0000-0001-8306-7507	en_US
dc.contributor.author	Martin, AG	en_US
dc.contributor.editor	Yeo, WS	en_US
dc.contributor.editor	Lee, K	en_US
dc.contributor.editor	Sigman, A	en_US
dc.contributor.editor	Ji, H	en_US
dc.contributor.editor	Wakefield, G	en_US
dc.date	2013-05-27	en_US
dc.date.issued	2013-01	en_US
dc.identifier.citation	Proceedings of the International Conference on New Interfaces for Musical Expression, 2013, pp. 541 - 546	en_US
dc.identifier.uri	http://hdl.handle.net/10453/27604
dc.description.abstract	The use of feedback created by electric guitars and amplifiers is problematic in musical settings. For example, it is difficult for a performer to accurately obtain specific pitch and loudness qualities. This is due to the complex relationship between these quantities and other variables such as the string being fretted and the positions and orientations of the guitar and amplifier. This research investigates corpus-based methods for controlling the level and pitch of the feedback produced by a guitar and amplifier. A guitar-amplifier feedback system was built in which the feedback is manipulated using (i) a simple automatic gain control system, and (ii) a band-pass filter placed in the signal path. A corpus of sounds was created by recording the sound produced for various combinations of the parameters controlling these two components. Each sound in the corpus was analysed so that the control parameter values required to obtain particular sound qualities can be recalled in the manner of concatenative sound synthesis. As a demonstration, a recorded musical target phrase is recreated on the feedback system.	en_US
dc.publisher	Korea Advance Institute of Science and Technology	en_US
dc.relation.ispartof	Proceedings of the International Conference on New Interfaces for Musical Expression	en_US
dc.relation.ispartof	New Interfaces for Musical Expression	en_US
dc.title	A corpus-based method for controlling guitar feedback	en_US
dc.type	Conference Proceeding
utslib.location	Daejeon, Republic of Korea	en_US
utslib.location.activity	Daejeon & Seoul, Korea Republic	en_US
utslib.for	090699 Electrical and Electronic Engineering not elsewhere classified	en_US
dc.location.activity	Daejeon & Seoul, Korea Republic	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Computer Science
pubs.organisational-group	/University of Technology Sydney/Strength - HCTD - Human Centred Technology Design
utslib.copyright.status	open_access
pubs.consider-herdc	true	en_US
pubs.finish-date	2013-05-30	en_US
pubs.place-of-publication	Daejeon, Republic of Korea	en_US
pubs.start-date	2013-05-27	en_US

Abstract:

The use of feedback created by electric guitars and amplifiers is problematic in musical settings. For example, it is difficult for a performer to accurately obtain specific pitch and loudness qualities. This is due to the complex relationship between these quantities and other variables such as the string being fretted and the positions and orientations of the guitar and amplifier. This research investigates corpus-based methods for controlling the level and pitch of the feedback produced by a guitar and amplifier. A guitar-amplifier feedback system was built in which the feedback is manipulated using (i) a simple automatic gain control system, and (ii) a band-pass filter placed in the signal path. A corpus of sounds was created by recording the sound produced for various combinations of the parameters controlling these two components. Each sound in the corpus was analysed so that the control parameter values required to obtain particular sound qualities can be recalled in the manner of concatenative sound synthesis. As a demonstration, a recorded musical target phrase is recreated on the feedback system.

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http://hdl.handle.net/10453/27604