Departamento de Informática (Computer Science Department)
Universidade Nova de Lisboa (New University of Lisbon)
See portuguese version.
My research focuses on the analysis of sound structure. I develop methods to model, classify and synthesize the sound structure of natural and musical sounds. The goal of this research is to identify the intrinsic acoustic dimensions that govern the structure of these sounds. I am interested in identifying which of these dimensions are relevant to the auditory perception of the sounds. The identification of such dimensions provides information about the features that must be preserved in audio compression, as well as about the features that must be manipulated in audio synthesis.
In addition, we use these methods to develop software applications for health and education. These include tools and educational games for the blind and for speech therapy.
There is more detail about current projects here. Prospective MSc and PhD students, please check this link. (Scholarships available for some dissertation themes/Alguns temas de dissertação com bolsa.)
My FCT.UNL Science Spring Day poster.
Sound files here.
S. Cavaco, F. Ferreira, D. Simões, T. Silva, The Role of Audio in two Accessible Vision-Rehabilitation Games for Blind Teenage Users, in Encyclopedia of E-Health and Telemedicine, 2016.
L. Barreira, S. Cavaco, J.Ferreira da Silva, Unsupervised Music Genre Classification with a Model-Based Approach, in Progress in Artificial Intelligence, Antunes, L. and Pinto, H. S. (Eds), Lecture Notes in Artificial Intelligence, volume 7026, pages 268-281, Springer-Verlag, 2011.
S. Cavaco and J. Rodeia, Classification of similar impact sounds, in Image and Signal Processing, A. Elmoataz et al. (Eds.), Lecture Notes in Computer Science, volume 6134, pages 307-314, Springer-Verlag, 2010.
J.T. Henriques, S. Cavaco, N. Correia, See-Through-Sound: Transforming images into sonic representations to help the blind, Journal of Information Technology Research, 7 (1), 59-77, 2014.
S. Cavaco and M. S. Lewicki, Statistical Modeling of Intrinsic Structures in Impact Sounds, Journal of the Acoustical Society of America, vol. 121, n. 6, pages 3558-3568, June 2007. (Supplementary material: EPAPS Document No. E-JASMAN-121-046706.)
S. Cavaco and J. Hallam, A Biologically Plausible Acoustic Motion Detection Neural Network, International Journal of Neural Systems, vol. 9, n. 5, pages 453-459, October 1999.
M. Lopes, J. Magalhães, S. Cavaco, A voice-controlled serious game for the sustained vowel exercise, in Proceedings of Advances in Computer Entertainment Technology Conference (ACE), 2016. (Best Poster Award.)
M. Diogo, M. Eskenazi, J. Magalhães, S. Cavaco, Robust Scoring of Voice Exercises in Computer-Based Speech Therapy Systems, in Proceedings of the European Signal Processing Conference (EUSIPCO), 2016.
A. Grossinho, I. Guimarães, J. Magalhães, S. Cavaco, Robust phoneme recognition for a speech therapy environment, in Proceedings of IEEE International Conference on Serious Games and Applications for Health (SeGAH) 2016.
S. Cavaco, D. Simões, T. Silva, Spatialized audio in a vision rehabilitation game for training orientation and mobility skills, in Proceedings of the International Conference on Digital Audio Effects (DAFx), 2015.
R. Carrapiço, A. Mourão, J. Magalhães, S. Cavaco, A comparison of thermal image descriptors for face analysis, in Proceedings of the European Signal Processing Conference (EUSIPCO), pages 829-833, 2015.
A. Grossinho, S. Cavaco, J. Magalhães, An interactive toolset for speech therapy, in Proceedings of Advances in Computer Entertainment Technology Conference (ACE), 2014.
D. Simões, S. Cavaco, An orientation game with 3D spatialized audio for visually impaired children, in Proceedings of Advances in Computer Entertainment Technology Conference (ACE), 2014. (Bronze Poster Award.)
F. Ferreira, S. Cavaco, Mathematics for all: a Game-Based Learning Environment for Visually Impaired Students, in Proceedings of the IEEE Annual Frontiers in Education Conference (FIE), 2014.
S. Cavaco, J.T. Henriques, M. Mengucci, N. Correia, F. Medeiros, Color sonification for the visually impaired, in Procedia Technology, M. M. Cruz-Cunha, J. Varajão, H. Krcmar and R. Martinho (Eds.), Elsevier, volume 9, pages 1048-1057, 2013.
S. Cavaco, M. Mengucci, J.T. Henriques, N. Correia, F. Medeiros, From Pixels to Pitches: Unveiling the World of Color for the Blind, in Proceeding of the IEEE International Conference on Serious Games and Applications for Health (SeGAH), 2013. (Best Paper Award.)
S. Cavaco, Statistical Synthesis of Transient and Pitch-Changing Sounds, in Proceedings of Sound and Music Computing Conference (SMC), pages 163-170, 2012.
J.Mateus, F. Malheiro, S.Cavaco, N.Correia, R.Jesus, Video Annotation of TV Content using Audiovisual Information, in Proceedings of the IEEE International Conference on Multimedia Computing and Systems (ICMCS), pages 113-118, 2012.
S. Cavaco and H. Almeida, Automatic Cymbal Classification using Non-Negative Matrix Factorization, in Proceedings of the IEEE International Conference on Systems, Signals and Image Processing (IWSSIP), pages 468-472, 2012.
S. Cavaco, F. Malheiro J. Mateus, R. Jesus, N. Correia, Automatic Instrument and Environmental Sound Recognition for Media Annotation of TV Content, in Proceedings of the IEEE International Conference on Audio, Language and Image Processing (ICALIP), vol. 2, pages 1125-1130, 2012.
M. Mengucci, J.T. Henriques, S. Cavaco, N. Correia, F. Medeiros, From Color to Sound: Assessing the Surrounding Environment, in Proceedings of the International Conference on Digital Arts (ARTECH), pages 345-348, 2012.
F. Malheiro and S. Cavaco, Automatic Musical Instrument and Note Recognition, Proceedings of INForum, pages 550-555, Coimbra, Portugal, 2011.
S. Reis, S. Cavaco, N. Correia, Educative Sound Game, in R. Prada, C. Martinho, P. Santos (Eds.), Proceedings of Conferência de Ciências e Artes dos Videojogos (Videojogos) 2010, pages 159-164, 2010.
R. Nóbrega and S. Cavaco, Detecting key features in popular music: case study - singing voice detection, in R. Ramirez, D. Conklin, C. Anagnostopoulou (eds), Proceedings of the Workshop on Machine Learning and Music of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases, pages 7-12, Bled, Slovenia, September 2009.
R. B. Dannenberg, S. Cavaco, E. Ang, I. Avramovic, B. Aygun, J. Baek, E. Barndollar, D. Duterte, J. Grafton, R. Hunter, C. Jackson, U. Kurokawa, D. Makuck, T. Mierzejewski, M. Rivera, D. Torres, A. Yu, The Carnegie Mellon Laptop Orchestra, Proceedings of the 2007 International Computer Music Conference, Volume II, The International Computer Music Association, pp. II-340-343, San Francisco, August 2007.
S. Cavaco and J. Hallam, A
Biologically Plausible Acoustic Azimuth Estimation System,
in H.G. Okuno (eds), Proceedings of the Workshop on Computational
Auditory Scene Analysis (CASA 99) of the International Joint Conference
on Artificial Intelligence (IJCAI 99), pages 78-86, Stockholm, Sweden, August 1999.
S. Cavaco, J.T. Henriques, M. Mengucci, N. Correia, F. Medeiros, SonarX - Ver Através do Som, in Ponto e Som, Biblioteca Nacional de Portugal, n.157, pages 11-17, 2013. Also available in braille.