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Triads, trials and triangles
Publication . Soeiro de Carvalho, João; Instituto de Etnomusicologia - Centro de Estudos em Música e Dança (INET-MD - NOVA FCSH)
The Digital Museum
Publication . Cortez, Alcina; Instituto de Etnomusicologia - Centro de Estudos em Música e Dança (INET-MD - NOVA FCSH)
This paper sets out to discuss the opportunities opened up for sound and music exhibition projects specifically designed for displaying works of sound art within the scope of digital museums. Taking as our case study the "Sound Diary" exhibition, curated by John Barber, which has been on display in the Web museum "unplace, a museum without a place" in 2015, I provide delegates with the results of an exploratory study I carried out with volunteers for this exhibition. My main aim, of interest to both researchers in the social sciences and professionals in museum and music studies, involves investigating how museumgoers engaged with both the sonorous experience and the self-curatorial process. Ultimately, I intend my work to contribute to developing the burgeoning field of online music/sound museums.
Dynamical modelling of constrained flexible systems using a modal Udwadia-Kalaba formulation
Publication . Debut, Vincent; Antunes, José Manuel Vieira; Instituto de Etnomusicologia - Centro de Estudos em Música e Dança (INET-MD - NOVA FCSH); Acoustical Society of America
Most musical instruments consist of dynamical subsystems connected at a number of constraining points through which energy flows. For physical sound synthesis, one important difficulty deals with enforcing these coupling constraints. While standard techniques include the use of Lagrange multipliers or penalty methods, in this paper, a different approach is explored, the Udwadia-Kalaba (U-K) formulation, which is rooted on analytical dynamics but avoids the use of Lagrange multipliers. This general and elegant formulation has been nearly exclusively used for conceptual systems of discrete masses or articulated rigid bodies, namely, in robotics. However its natural extension to deal with continuous flexible systems is surprisingly absent from the literature. Here, such a modeling strategy is developed and the potential of combining the U-K equation for constrained systems with the modal description is shown, in particular, to simulate musical instru- ments. Objectives are twofold: (1) Develop the U-K equation for constrained flexible systems with subsystems modelled through unconstrained modes; and (2) apply this framework to compute string/body coupled dynamics. This example complements previous work [Debut, Antunes, Marques, and Carvalho, Appl. Acoust. 108, 3–18 (2016)] on guitar modeling using penalty meth- ods. Simulations show that the proposed technique provides similar results with a significant improvement in computational efficiency. VC 2017 Acoustical Society of America.
Memórias e resistências na guerra civil de Espanha
Publication . Simões, Maria Dulce; Instituto de Etnomusicologia - Centro de Estudos em Música e Dança (INET-MD - NOVA FCSH)

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Entidade financiadora

Fundação para a Ciência e a Tecnologia

Programa de financiamento

5876

Número da atribuição

UID/EAT/00472/2013

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