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1 Analyse et synthèse sonores Paris STMS - Sciences et Technologies de la Musique et du Son

Abstract : In this presentation we exemplify the emergence of new possibilities in sound analysis andsynthesis with three novel developments that have been done in the Analysis-Synthesis team atIRCAM. These examples address three main activities in our domain, and have reached a largepublic making or simply listening to music.The first example concerns synthesis using physical models. We have determined the behavior ofa class of models, in terms of stability, oscillation, periodicity, and finally chaos, leading to abetter control of these models in truly innovative musical applications.The second example concerns additive synthesis essentially based on the analysis of naturalsounds. We have developed a new additive method based on spectral envelopes and inverse FastFourier Transform, which we name FFT-1 and which provides a solution to the differentdifficulties of the classical method. Commercial applications are announced for this year, forprofessional users and soon for a larger public.The last example is an original work on the recreation of a castrato voice by the means of soundanalysis, processing andsynthesis. It has been done for the soundtrack for a film and a CD aboutFarinelli, the famous castrato of the eighteenth century. The CD and the film have reachedmillions of people all around the world.

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Keywords : additive synthesis method natural sounds class of models physical models computer simulations castrato voice analyse et synthèse sonores

Mots-clés : Informatique musicale





Author: Xavier Rodet - Philippe Depalle - Guillermo Garcia -

Source: https://hal.archives-ouvertes.fr/



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