Percorrer por autor "Ferreira-Lopes, Paulo"
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- Arte pública: o gesto urbano na representação do imaginário coletivoPublication . Lamounier, Slavisa; Ferreira-Lopes, Paulo
- Arte pública: o gesto urbano na representação do imaginário coletivoPublication . Lamounier, Slavisa; Ferreira-Lopes, Paulo
- Composing for DMIs: entoa, music for intonaspacioPublication . Mamedes, Clayton Rosa; Rodrigues, Mailis G.; Wanderley, Marcelo M.; Manzolli, Jônatas; Garcia, Denise H.L.; Ferreira-Lopes, PauloDigital Musical Instruments (DMIs) have difficulties establishing themselves after their creation. A huge number of DMIs is presented every year and few of them actually remain in use. Several causes could explain this reality, among them the lack of a proper instrumental technique, inadequacy of the traditional musical notation and the nonexistence of a repertoire dedicated to the instrument. In this paper we present the case study of Entoa, the first written music for Intonaspacio, a DMI we designed in our research project. We propose a process of composition that considers the design of the instrument as a required step in order to start defining an instrumental technique. We present an overview of the instrument and strategies for mapping data from sensors to sound processing, in order to accomplish an expressive performance.
- DIGITAL SOCK - Study and Development of a Digital Musical InstrumentPublication . Lamounier, Slavisa; Ferreira-Lopes, Paulo
- El Cuerpo y el Sonido en el desarrollo de las potencialidades interaccionales de niños y jóvenes con Necesidades Educativas EspecialesPublication . Lamounier, Slavisa; Gomes, Ana Maria Paula Marques; Ferreira-Lopes, PauloEste artículo propone los resultados de la intervención psicopedagógica, denominada "El Cuerpo y el Sonido: identificando interacciones y nuevos lenguajes". Surge en lo Postgrado en Educación Especial de la Escuela Superior de Educación de Paula Frassinetti (2017), donde investigamos de qué forma los recursos sonoros y sensoriales pueden estimular los procesos de interacción en los niños y jóvenes con Necesidades Educativas Especiales. Este trabajo constituye, incluso, una investigación preliminar para estudiar los ciclos clínicos interaccionales, integrados dentro del Doctorado en Ciencia y Tecnología de las Artes (Universidad Católica Portuguesa – Escola das Artes), donde estamos desarrollando, el prototipo instrumental Digital Sock como estímulo interactivo en intervenciones psicopedagógicas. El marco teórico aborda diferentes modelos psicopedagógicos envolviendo el cuerpo y el sonido, en los que nos basamos para desarrollar un modelo de actuación que vendrá a soportar esta fase de la investigación y el propio prototipo instrumental en desarrollo. Con una combinación metodológica de carácter cuantitativo y cualitativo, asienta esencialmente en la metodología de investigación-acción, donde se priorizó la observación participante como técnica de investigación. Los resultados de la intervención psicopedagógica provienen de niños y jóvenes con necesidades educativas especiales, indicando cuáles son los recursos sonoros y actividades psicomotoras que se configuran como facilitadoras para el desarrollo y expresión comunicacional. Se concluye de la importancia de estas actividades se desarrollaren en un programa a medio y largo plazo, donde la acción colectiva siempre será la más adecuada, proporcionando resultados internacionales más promisorios.
- Expresión, comunicación y desempeño: El análisis del gesto en el contexto del estudio y el desarrollo de un instrumento musical digital - Digital SockPublication . Lamounier, Slavisa; Ferreira-Lopes, Paulo
- Generative face from random data, on 'how computers imagine humans'Publication . Moura, João Martinho; Ferreira-Lopes, PauloIn the recent years, face detection technologies have been widely used by artists to create digital art. Face detection provides new forms of interaction, and allows digital artefacts to detect the presence of human beings, through video capture and facial detection, in real-time. In this paper we explore the algorithm proposed by Paul Viola and Michael Jones, presented in 2001, in order to generate imagined faces from visual randomness.
- George Perle’s twelve-tone tonality: some developments for CAC using PWGLPublication . Marques, Telmo; Ferreira-Lopes, PauloThis paper presents a description and some developments on Perle’s theory and compositional system known as Twelve-Tone Tonality, a system that, because of its characteristics and fundamentals, is currently associated with Schoenberg dodecaphonic system. Some research has been made in the last few decades in order to develop his model in a Computer Assisted Composition (CAC) environment. After some efforts in order to analyse these prototypes, we realize that in general they were discontinued or outdated. A three-scope proposal is so outlined: Firstly, to simplify the grasp of a system that presents an easily understandable starting premise but afterwards enters a world of unending lists and arrays of letters and numbers; Secondly, to present the implementation process already started using PWGL [1] (see Laurson, 1996; Laurson, 2003; Laurson, 2009). Finally, the model is applied in a short original compositional work, and it is presented and analysed emphasizing the standpoints properties of the system. Some further considerations were made regarding the continuity of this project where the construction of a dedicated PWGL library of Perle’s model reveals a pre-compositional necessary tool. PWGL software was selected due to its specific fitting features: it is based on Common Lisp - perfectly powerful and suitable to process lists of integers — and it is specialized in CAC.
- Guitar multiphonics: establishing locationsPublication . Torres, Rita; Ferreira-Lopes, Paulo
- Guitar multiphonics: influence of amplificationPublication . Torres, Rita; Ferreira-Lopes, PauloThe amplification of sounds of guitar multiphonics had not been explored until now. We recorded and spectrally analyzed this kind of sounds of unusual colours, to investigate the influence of amplification with close microphone placement on the audibility of their weaker main components. The results show that novelty is introduced for the majority of the sounds investigated, because some of their main components are otherwise not audible in a concert room, regardless of its size.
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