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Advances in Human-Computer Interaction
Volume 2015, Article ID 850474, 13 pages
http://dx.doi.org/10.1155/2015/850474
Research Article

CaRo 2.0: An Interactive System for Expressive Music Rendering

Department of Information Engineering, University of Padova, Via Gradenigo 6/A, 35131 Padova, Italy

Received 6 August 2014; Revised 14 December 2014; Accepted 27 December 2014

Academic Editor: Francesco Bellotti

Copyright © 2015 Sergio Canazza et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In several application contexts in multimedia field (educational, extreme gaming), the interaction with the user requests that system is able to render music in expressive way. The expressiveness is the added value of a performance and is part of the reason that music is interesting to listen. Understanding and modeling expressive content communication is important for many engineering applications in information technology (e.g., Music Information Retrieval, as well as several applications in the affective computing field). In this paper, we present an original approach to modify the expressive content of a performance in a gradual way, applying a smooth morphing among performances with different expressive content in order to adapt the audio expressive character to the user’s desires. The system won the final stage of Rencon 2011. This performance RENdering CONtest is a research project that organizes contests for computer systems generating expressive musical performances.