Live Convolution with Time-Varying Filters

The paper presents two new approaches to artefact-free real-time updates of the impulse response in convolution. Both approaches are based on incremental updates of the filter. This can be useful for several applications within digital audio processing: parametrisation of convolution reverbs, dynami...

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Main Authors:	Øyvind Brandtsegg, Sigurd Saue, Victor Lazzarini
Format:	Article
Language:	English
Published:	MDPI AG 2018-01-01
Series:	Applied Sciences
Subjects:	convolution reverberation audio effect live processing morphing cross synthesis
Online Access:	http://www.mdpi.com/2076-3417/8/1/103

id	doaj-b0e2759b1d0d4954a89d7e489f357005
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spelling	doaj-b0e2759b1d0d4954a89d7e489f3570052020-11-25T00:09:25ZengMDPI AGApplied Sciences2076-34172018-01-018110310.3390/app8010103app8010103Live Convolution with Time-Varying FiltersØyvind Brandtsegg0Sigurd Saue1Victor Lazzarini2Norwegian University of Science and Technology, 7491 Trondheim, NorwayNorwegian University of Science and Technology, 7491 Trondheim, NorwayDepartment of Music, Maynooth University, Maynooth, W23 X021 Co. Kildare, IrelandThe paper presents two new approaches to artefact-free real-time updates of the impulse response in convolution. Both approaches are based on incremental updates of the filter. This can be useful for several applications within digital audio processing: parametrisation of convolution reverbs, dynamic filters, and live convolution. The development of these techniques has been done within the framework of a research project on crossadaptive audio processing methods for live performance. Our main motivation has thus been live convolution, where the signals from two music performers are convolved with each other, allowing the musicians to “play through each other’s sound”.http://www.mdpi.com/2076-3417/8/1/103convolutionreverberationaudio effectlive processingmorphingcross synthesis
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Øyvind Brandtsegg Sigurd Saue Victor Lazzarini
spellingShingle	Øyvind Brandtsegg Sigurd Saue Victor Lazzarini Live Convolution with Time-Varying Filters Applied Sciences convolution reverberation audio effect live processing morphing cross synthesis
author_facet	Øyvind Brandtsegg Sigurd Saue Victor Lazzarini
author_sort	Øyvind Brandtsegg
title	Live Convolution with Time-Varying Filters
title_short	Live Convolution with Time-Varying Filters
title_full	Live Convolution with Time-Varying Filters
title_fullStr	Live Convolution with Time-Varying Filters
title_full_unstemmed	Live Convolution with Time-Varying Filters
title_sort	live convolution with time-varying filters
publisher	MDPI AG
series	Applied Sciences
issn	2076-3417
publishDate	2018-01-01
description	The paper presents two new approaches to artefact-free real-time updates of the impulse response in convolution. Both approaches are based on incremental updates of the filter. This can be useful for several applications within digital audio processing: parametrisation of convolution reverbs, dynamic filters, and live convolution. The development of these techniques has been done within the framework of a research project on crossadaptive audio processing methods for live performance. Our main motivation has thus been live convolution, where the signals from two music performers are convolved with each other, allowing the musicians to “play through each other’s sound”.
topic	convolution reverberation audio effect live processing morphing cross synthesis
url	http://www.mdpi.com/2076-3417/8/1/103
work_keys_str_mv	AT øyvindbrandtsegg liveconvolutionwithtimevaryingfilters AT sigurdsaue liveconvolutionwithtimevaryingfilters AT victorlazzarini liveconvolutionwithtimevaryingfilters
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Live Convolution with Time-Varying Filters

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