Wavelets for Sparse Representation of Music

Line Ørtoft Endelt, Anders la Cour-Harbo

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

7 Citations (Scopus)
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Abstract

We are interested in obtaining a sparse representation of music signals by means of a discrete wavelet transform (DWT). That means we want the energy in the representation to be concentrated in few DWT coefficients. It is well-known that the decay of the DWT coefficients is strongly related to the number of vanishing moments of the mother wavelet, and to the smoothness of the signal. In this paper we present the result of applying two classical families of wavelets to a series of musical signals. The purpose is to determine a general relation between the number of vanishing moments of the wavelet and the sparseness of the DWT coefficients.
Original languageEnglish
Title of host publicationProceedings of WEDELMUSIC 2004
Number of pages5
Publication date2004
Pages10-14
Publication statusPublished - 2004
EventWEDELMUSIC 2004 - Barcelona, Spain
Duration: 13 Sept 200415 Sept 2005

Conference

ConferenceWEDELMUSIC 2004
Country/TerritorySpain
CityBarcelona
Period13/09/200415/09/2005

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