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Fractal Modulation Effects
Linköpings universitet, Institutionen för teknik och naturvetenskap, Digitala Medier. Linköpings universitet, Tekniska högskolan. (Sound and Video Technology)
2013 (engelsk)Inngår i: Proc. of Digital Audio Effects Conference (DAFx `06), Montreal, Canada: DAFx , 2013, s. 101-106Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Fractal modulation is obtained by forming a power weighted superposition of scaled and modulated versions of the signal. The resulting signal is self-similar with fractal characteristics. In this paper we explore fractal modulation as a powerful method to generate rich signals, useful both for the synthesis of complex sounds, like the sounds from natural events or ecological sounds, or as control functions of audio effects. The wavelet transform can be used as an efficient tool in order to generate a subset of fractal modulated signals that are power homogeneous. Any signal used as a seed for fractal modulation is transformed into a multiscale sound by means of a tree-structured multirate filter bank. Moreover, by superimposing a structured modulation scheme one can generate pseudo-periodic sounds whose partials have fractal behavior.

sted, utgiver, år, opplag, sider
Montreal, Canada: DAFx , 2013. s. 101-106
Emneord [en]
fractal modulation, wavelets, digital audio effects, sound technology
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-34752Lokal ID: 23077OAI: oai:DiVA.org:liu-34752DiVA, id: diva2:255600
Konferanse
Digital Audio Effects Conference 2006
Tilgjengelig fra: 2009-10-10 Laget: 2009-10-10 Sist oppdatert: 2014-12-08

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http://staffwww.itn.liu.se/~giaev/Eva06.pdf

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Evangelista, Gianpaolo

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