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%0 Conference Proceedings
%A Schwarz, Diemo
%A Schnell, Norbert
%A Gulluni, Sebastien
%T Scalability in Content-Based Navigation of Sound Databases
%D 2009
%B International Computer Music Conference (ICMC)
%C Montreal
%F Schwarz09a
%K corpus-based synthesis
%K content-based retrieval
%K search algorithms
%K dimensionality reduction
%K visualisation
%K databases
%X The article presents methods for sound search in large effects or instrument sound databases by interactive content-based navigation in a space of descriptors and categories, based on the principle of real-time corpus-based concatenative synthesis. We focus on three algorithms: fast similarity-based search by a kD-Tree in the high-dimensional descriptor space, a mass--spring model with added repulsion for layout, and efficient dimensionality reduction for visualisation by hybrid multi-dimensional scaling based on these. Special attention is given to scalability to very large databases by performance evaluations and measurements. The algorithms are implemented and tested as C-libraries and Max/MSP externals within a prototype sound exploration application.
%1 6
%2 3
%U http://articles.ircam.fr/textes/Schwarz09a/