53 research outputs found

    Interacção entre técnicas compositivas e programação para formações mistas

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    A presente dissertação tem como objectivo definir algumas das principais formas de interacção entre instrumentos e electrónica presente na minha prática compositiva, totalmente focada na música para formações mistas. Durante o período de frequência no Mestrado em Composição e Teoria Musical, seis obras para este tipo de formação foram compostas com o propósito de experimentar diferentes formas de relação entre instrumentos e electrónica. Estas mesmas obras demonstram diversas abordagens pessoais à música mista, com formações desde instrumento solo e electrónica, até grande orquestra e electrónica, podendo assim obter diferentes perspectivas sobre esta prática compositiva. São apresentadas três importantes abordagens na composição para este tipo de formações: em primeiro lugar, serão apresentadas algumas das principais técnicas de escrita instrumental abordadas na minha prática compositiva, usadas com o objectivo de criar uma ponte entre as estas duas realidades coexistentes – instrumentos e electrónica. Em segundo lugar, serão abordadas as diferentes formas de sincronização entre instrumentos e electrónica, relativamente à escrita instrumental e electrónica, bem como as suas influências nos processos compositivos e performativos. Em terceiro e último lugar, serão apresentadas diferentes abordagens à realização da electrónica em concerto, com base nas obras originais referidas anteriormente. A programação informática da electrónica usada nas minhas obras, será analisada com o objectivo de demonstrar algumas das possibilidades de realização de electrónica em contexto performativo. No primeiro capítulo, será efectuada uma revisão bibliográfica, na qual serão analisados excertos de várias obras de diversos compositores, nas quais as técnicas anteriormente referidas são abordadas. Desta forma, será possível perceber as diferentes visões sobre estas mesmas técnicas do ponto de vista dos principais compositores e teóricos no âmbito da música mista. No segundo capítulo, serão analisados diversos excertos das minhas obras apresentadas e anexadas na presente dissertação. Desta forma, pretendo analisar e demonstrar como as diferentes formas de interacção e coexistência entre grupo instrumental e electrónica são atingidas através das técnicas abordadas nestas obras. No terceiro capítulo, serão abordadas as diferentes técnicas de sincronização para formações mistas, relativamente à escrita instrumental e electrónica, com base na minha produção compositiva. No quatro e último capítulo, será abordada a problemática da execução da electrónica em concerto, de um ponto vista pessoal, tendo como base as minhas obras apresentadas na presente tese. Desta forma, os vários sistemas programados em Max/MSP serão descritos e analisados, demonstrando as várias abordagens à electrónica em contexto performativo, a qual é readaptada de obra para obra, consoante as especificidades técnicas e musicais.The main goal of this thesis is to define some of the main forms of interaction between instrumental groups and electronics in my recent compositional practice, totally focused on the music for mixed formations. During the frequency in the Master’s degree in Composition and Music Theory, six works for this type of instrumentation were composed in order to experience different forms of relationship between instruments and electronics. These works demonstrate several personal approaches to this kind of compositional practice, from solo instrument and electronics, to large orchestra and electronics, in order to get different perspectives. Three major approaches to this kind of compositional practice are presented: Firstly, I will present some of the main techniques of instrumental writing in my compositional practice, used in order to create a bridge between these two coexisting realities - instruments and electronics. Secondly, I will discuss different ways of synchronization between instruments and electronics, as well as their influence in the compositional process and live performance. Finally, different approaches to the realization of electronics in concert will be presented. The computer programming of electronics used in my works will be analyzed in order to demonstrate some possibilities of executing electronics in a performance context. In the first chapter, I will present a literature review, in which excerpts from various works of various composers utilizing in which the techniques mentioned above will be analyzed, in order to show different views on these same techniques. In the second chapter, I will analyze several excerpts from my works presented and attached to in this dissertation, in order demonstrate how different forms of interaction and coexistence of instrumental group and electronics are achieved through the techniques used in these works. In the third chapter, I will approach the different synchronization techniques for mixed formations and its influence in the composition and performance process, used in my compositional practice. In the fourth and final chapter I will analyze the use of electronics in live performance, from a personal point of view based on my own work presented in this thesis. Different systems programmed in Max/MSP will be described and analyzed, demonstrating the various approaches to electronics concert context, which is refashioned from work to work

    A prenylated dsRNA sensor protects against severe COVID-19

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    Inherited genetic factors can influence the severity of COVID-19, but the molecular explanation underpinning a genetic association is often unclear. Intracellular antiviral defenses can inhibit the replication of viruses and reduce disease severity. To better understand the antiviral defenses relevant to COVID-19, we used interferon-stimulated gene (ISG) expression screening to reveal that OAS1, through RNase L, potently inhibits SARS-CoV-2. We show that a common splice-acceptor SNP (Rs10774671) governs whether people express prenylated OAS1 isoforms that are membrane-associated and sense specific regions of SARS-CoV-2 RNAs, or only express cytosolic, nonprenylated OAS1 that does not efficiently detect SARS-CoV-2. Importantly, in hospitalized patients, expression of prenylated OAS1 was associated with protection from severe COVID-19, suggesting this antiviral defense is a major component of a protective antiviral response

    Search for single production of vector-like quarks decaying into Wb in pp collisions at s=8\sqrt{s} = 8 TeV with the ATLAS detector

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    Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in pp collision data at s=8TeV\sqrt{s}=8\,\mathrm TeV{} with the ATLAS detector

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    ATLAS Run 1 searches for direct pair production of third-generation squarks at the Large Hadron Collider

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    Measurements of top-quark pair differential cross-sections in the eμe\mu channel in pppp collisions at s=13\sqrt{s} = 13 TeV using the ATLAS detector

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    Measurement of the W boson polarisation in ttˉt\bar{t} events from pp collisions at s\sqrt{s} = 8 TeV in the lepton + jets channel with ATLAS

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    Measurement of the bbb\overline{b} dijet cross section in pp collisions at s=7\sqrt{s} = 7 TeV with the ATLAS detector

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    Search for dark matter in association with a Higgs boson decaying to bb-quarks in pppp collisions at s=13\sqrt s=13 TeV with the ATLAS detector

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    Charged-particle distributions at low transverse momentum in s=13\sqrt{s} = 13 TeV pppp interactions measured with the ATLAS detector at the LHC

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