Situated Sound and Compositional Circumstance in My Recent Musical Practices

My recent compositional work consists of installed sound environments and pieces for performance by ensembles, soloists, and machines. Throughout my research period I have proposed musical and sonic art works as fields of and for phenomenological inquiry and reflection. From this perspective, my pieces become sites for enacting environmental encounters that unfold around listeners. These circumstances problematize the certainty of subject and object within aural and aesthetic experiences of sound situations. This commentary surveys material and thought processes in my recent compositional work and accompanies a portfolio of works from my research period to comprise my submission for partial fulfilment of the requirements for the degree of Doctor of Philosophy. In the opening of this text to follow I review and contextualize key technical areas within my material and compositional processes of my portfolio work. Three main areas of research and their outcomes within specific pieces are considered in Chapter 1. First, a permutational and parametric technique for composing patterned musical material is discussed. Following this, I examine and contextualize sculptural approaches to temporality in recent works. Finally, I consider applications of indeterminacy at several structural levels within my recent pieces. In Chapter 2, I discuss the conceptual development of my research and portfolio work, locating my own strands of inquiry and contributions to thought and practice within contemporary and historical practices in music and the sonic arts. I consider key sources of inspiration from visual art, perceptual psychology, and philosophy. Developing this, I demonstrate how phenomenological activity underlies, has developed within, or assists in my reflection upon the outcomes of my compositional and experimental strategies. Chapter 3 offers further commentary on each piece within my portfolio submission. I then conclude with Chapter 4 by proposing further developments for my research and future compositional projects

Mistura probiótica autótona melhora os parâmetros biométricos nas larvas de Piaractus mesopotamicus (Caracidae, Characiforme, Teleostei)

Los probióticos son una nueva alternativa a los antibióticos como factores de crecimiento. Previamente, nuestro grupo aisló, seleccionó y ensayó in vivo, ocho cepas autóctonas. No mostraron efectos significativos cuando se administraron individualmente. Sin embargo, las mejores dosis, etapas y formas de administración se combinaron en una fórmula de múltiples cepas. El objetivo de esta investigación fue evaluar el efecto de este producto probiótico en el crecimiento y supervivencia de larvas de Piaractus mesopotamicus. La administración se implementó durante la incubación del huevo y el período de alimentación endógena (5), durante el período de alimentación exógena de las larvas (10) y durante todo el experimento (15). Se utilizó como control un grupo sin microorganismos. El probiótico genera incrementos significativos de peso medio y no incrementos significativos de supervivencia y biomasa en dos de las tres etapas probadas.Os probióticos são uma alternativa inovadora aos antibióticos como fatores de crescimento. Anteriormente, nosso grupo isolou, selecionou e testou in vivo oito cepas autóctonas. Estas no apresentaram efeitos significativos quando administrados individualmente. No entanto, como melhores dosis, etapas e formas da administraç ãoforam combinadas para una formulação de um produto contendo multiples cepa. O objetivo deste trabalho foi avaliar o efeito deste produto probiótico no crescimento e sobrevivência de larvas de Piaractus mesopotamicus. Una administración de implementación durante una incubação de ovos y un período de alimentación endógeno (5), durante o un período de alimentación exógeno das larvas (10) y ao longo do experimento (15). Um grupo sem microrganismos utilizados como control. O probiótico gera um incremento significativo de peso medio e não significativo de sobrevivência e biomassa em dois dos três estágios testados. Estes resultados demostraron una eficácia de uma fórmula probiótica autóctone para una cultura desta espécie de peixe nativa.Probiotics are a novel alternative to antibiotics as growth factors. Previously, our group isolated, selected and tested in vivo, eight autochthonous strains. They showed no significant effects when administered individually. However, the best doses, stages and ways of administration were combined in a multi strain formula. The aim of this research was to evaluate the effect of this probiotic product on the growth and survival of Piaractus mesopotamicus larvae. The administration was implemented during egg incubation and endogenous feeding period (5), during larvae exogenous feeding period (10) and all along the experiment (15). A group without microorganisms was used as control. The probiotic generates significant increments of mean weight and not significant increases of survival and biomass in two of the three tested stages. These results demonstrate the effectiveness of an autochthonous probiotic formula for the culture of this native fish species.Fil: Guidoli, Marcos Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias; ArgentinaFil: Mendoza, Jorge Arnaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; ArgentinaFil: Lizardo Falcon, Sofia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; ArgentinaFil: Boehringer, Silvia Irene. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias; ArgentinaFil: Sánchez, Sebastián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; ArgentinaFil: Nader, Maria Elena Fatima. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentin

A Radical New Interdisciplinary Space for Sonification

RADICAL is a new three-year project with the ambitious goal of developing a fundamental understanding of the relationship between sonification design and the listener and to stimulate a revitalised agenda for sonification research and practice. Understanding of the role of embodied perception, spatial considerations, and aesthetics in our listening to, and perception of, sonification remains limited. This interdisciplinary project draws together experts in computer science, sonification, listening and perception, ethnography, music composition, and aesthetics to derive a fundamentally new understanding from which to derive concrete guidelines for better and more successful sonification design. The act of listening involves embodied perception, that is, making sense of and responding to sound involves not just our ears but is shaped by aspects of our entire physical body as well as our interactions with the space in which listening takes place. We are conducting a comprehensive study of sonification making and listening to better understand the relationships between sonifications, their designers, and their listeners. From this we will develop a new theory of sonification listening and derive an aesthetics of sonification which, up till now, has no accepted definition. These outcomes will be important in formulating a new framework for successful sonification design.https://projectRadical.github.i

Listener-centred Sonification Practice as Transdisciplinary Experimental Artistic Engagement

Project RADICAL presents sonification research and practice as a listener-centred, transdisciplinary activity. In this chapter, authors discuss sonification from perspectives of artistic and musical practice. Particular emphasis is placed on spatial listening, embodied experience, environmental interaction, and communication, resulting in an interroga- tion of methodology, objects and foundations often assumed for sonifica- tion. The reader is invited to apply an ethnographic ear to a roundtable presentation investigating new sonic and musical practices that converge upon a reframing of sonification as engaged aesthetic activity productive of and carrying new technical and epistemic knowledge

Sonification of Solar Corona Data

For solar physicists, perceptualization of data is of vital interest; in current practice, this is almost exclusively approached by visual means. Project Radical (a sonification research initiative between Northumbria and Newcastle Universities) is building on an established collaboration with solar physicists to address key research questions:How does sonification complement observation and numerical representation, and how might solar physicists involve listening in their work? What new conceptual and technological approaches are suggested by the design constraints specific to solar physics? In addressing these questions, we are developing flexible tools for fluid integration within solar physics data analysis.Our project draws on research-through-design methodologies centred on interdisciplinary collaboration. Our working method consists in an iterative alternation between analytical sessions in which solar physicists, designers, and programmers meet in small groups, and prototyping periods during which new software is created and tested. This methodology assures that designs are tested during development, and that physicists have access to functional prototypes for experimental integration into their everyday workflow. While this addresses the specific aim of our project, a desired outcome is a sonification toolset that, while conceived within the domain of solar physics, demonstrates viability for wider scientific application and further development.https://projectRadical.github.i

Fluoroquinolones and tetracyclines as growth factors in aquaculture: Increase of biometrical parameters versus emergence of resistant bacteria and residues in meat

Antibiotics can be used as growth promoters for fishes in aquaculture. However, its use in animal production induced an increase in the emergence of resistant microorganisms. Piaractus mesopotamicus is the second most produced fish species in Argentina. The aim of this work was to evaluate the effect of the administration of subtherapeutic doses of oxytetracycline and enrofloxacin over biometrical parameters, the increase of resistant microorganisms in the intestinal microbiota and the presence of antibiotic residues in meat of P. mesopotamicus. 3 months old animals were fed twice a day for 120 days. Commercial balanced feed was added with either oxytetracycline (O), enrofloxacin (E) or water (C). Biometrical parameters, intestinal content (IC) and muscle samples were obtained every 30 days. IC samples were inoculated in plates with and without antibiotics while muscle samples were submitted to a microbiological method to find antibiotic residues. Treatment O maintained survival at 100%, increased mean weight and standard length and was not detected in muscle samples. However, it showed the highest increments in the number of resistant microorganisms. These results indicate that the use of subtherapeutic doses of oxytetracycline for prolonged periods induces increments in biometrical parameters leaving no residues in meat, but also promotes the development of resistant microorganisms when compared with the control group.Fil: Amable, Valeria Inés. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Departamento de Tecnologia de Los Alimentos y Salud Publica; ArgentinaFil: Valdez Amarilla, Maria Jose. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Departamento de Tecnologia de Los Alimentos y Salud Publica; ArgentinaFil: Salas, Paula L.. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; ArgentinaFil: Mendoza, Jorge Arnaldo. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Departamento de Tecnologia de Los Alimentos y Salud Publica; ArgentinaFil: Falcón, Sofía Lizardo. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Departamento de Tecnologia de Los Alimentos y Salud Publica; ArgentinaFil: Boehringer, Silvia Irene. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Departamento de Tecnologia de Los Alimentos y Salud Publica; ArgentinaFil: Sánchez, Sebastián. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; ArgentinaFil: Guidoli, Marcos Gabriel. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentin

Levaduras autóctonas como factores de crecimiento en Rhamdia quelen: primeras aproximaciones

Rhamdia quelen es un pez autóctono cultivado en el nordeste argentino. El uso de antibióticos como factores de crecimiento en acuicultura fue criticado en los últimos años y la administración de microorganismos surgió como una opción posible. El objetivo de este trabajo fue aislar levaduras autóctonas de R. quelen y evaluar el efecto de su administración sobre parámetros biométricos de larvas en cultivo intensivo. Los hongos se aislaron del tracto digestivo de especímenes de vida silvestre, se identificaron fenotípicamente y se evaluaron en cuanto a la expresión de propiedades benéficas. Se seleccionó una de las cepas y se administró cuatro veces por día, muerta o viva al 1 o 2% junto con el alimento balanceado durante 15 días. Luego del tratamiento las larvas se contaron y pesaron para obtener los valores de sobrevida, peso medio y biomasa. Sólo se obtuvieron cuatro aislamientos de Candida tropicalis. Ninguno expresó propiedades benéficas y uno fue elegido al azar para los ensayos in vivo. Solo la levadura muerta al 1% incrementó significativamente la biomasa en comparación con el control (p0,05) con el hongo vivo. Ninguno de los tratamientos induce incrementos significativos del peso medio (p0.05). Survival rate is boosted significantly (p>0.05) with dead yeast and with no significance (p<0.05) with the live fungi. None of the treatments induce significant increments in mean weight (p<0.05). These results allow us to propose the treatment with dead yeast at 1% as a growing factor for R. quelen, considering this microorganism as an effective prebiotic to be used in the aquaculture of this fish specie.Fil: Guidoli, Marcos Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; ArgentinaFil: Mendoza, Jorge Arnaldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; ArgentinaFil: Cáceres, Antonio de la Cruz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; ArgentinaFil: Boehringer, Silvia Irene. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias; ArgentinaFil: Sánchez, Sebastián. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; Argentin