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京都大学 / 0048 / 新制・課程博士 / 博士(医学) / 甲第18851号 / 医博第3962号 / 新制||医||1007(附属図書館) / 31802 / 京都大学大学院医学研究科医学専攻 / (主査)教授 別所 和久, 教授 鈴木 茂彦, 教授 瀬原 淳子 / 学位規則第4条第1項該当 / Doctor of Medical Science / Kyoto University / DFAM

In this thesis I’ve explored my voice as an instrument in the big band’s different sections. Through many years I’ve experienced that I lack tools around how to approach singing in big bands. I often ask myself if my voice stands out in the soundscape or if it’s blending and becomes a part of the sections in the big band. The goal in this thesis is to understand how and in which way I can compose and perform my music to blend with the band. To investigate this, I’ve chosen to do a specific form of voice mapping in which I’ll locate options of vocal techniques and music parameters that later will become tools for singing with big band. I’ve put together a big band of my own and composed five pieces of music in which I’ll perform on my graduation concert. My result show that it comes down to the choice of vowels, airflow, vocal register and the art of being consistent. In the end of the report, I’ll discuss future improvements and things to take in consideration. / <p>Framfört på konsert:</p><p>"Bob's Birthday" (M. Svantesson)</p><p>"Mira's Song" (M. Svantesson)</p><p>"Alhambra" (M. Svantesson)</p><p>"La" (M. Svantesson)</p><p>"Blue" (M. Svantesson)</p><p>Medverkande:</p><p>Saxofon och träblås - Isac Schillberg, Erik Hasselfeldt, Eskil Larsson, Arvid Lundberg och Carl Lovar.</p><p>Trumpet och flygelhorn - Benjamin Sällström, Oskar Nordkvist, Linnea Jonsson och Tuva Trygged Iko</p><p>Trombon - Tilde Schweitzer, Melker Annas, Olle Arvidsson Eklind, Alexander Bjurström</p><p>Kompsektion - David Stener, Hugo Löf, Isaak Peyer, Rasmus Otto Ringdahl</p><p>Sång - Maja Svantesson</p>

The purpose of this research was to study perfusion pressure-flow relationships in self-oscillating synthetic poroelastic vocal fold (VF) models before, during, and after vibration. This was accomplished by developing a custom ultra-soft poroelastic material, incorporating the poroelastic material as the cover layer in a synthetic VF model, and studying the model vibratory response and the flow rate of fluid perfused through the cover layer while undergoing flow-induced vibration. The custom ultra-soft poroelastic material was developed using the method of direct templating with sucrose spheres as the sacrificial template and silicone as the infiltration medium. The average modulus of elasticity of the poroelastic material was found to be 3.30 kPa, which represented an 84% decrease compared to the same non-porous silicone. Porosities between 62.8% and 67.2% were estimated. The fabrication process of the poroelastic VF model is presented in detail, including steps to prepare the model for vibration. The apparatus for measuring perfusion pressure flow-relationships in the VF model is described. Vibratory characteristics of subglottal onset pressure, frequency, glottal area, and glottal width are presented and compared to those of the human VF and other published VF models for varying perfusion pressures. The effects of vibration on perfusion flow rate and permeability are reported. The poroelastic VF models had an average onset pressure of 1.01 kPa while vibrating at an average frequency of 117 Hz and with a glottal width of 1.40 mm. Perfusion flow rate decreased between 15% and 22% from rest to vibration and increased between 29% and 33% after vibration ceased. Permeability followed the same trend of decreasing with vibration and increasing after vibration, with measured values on the order of 10^(-11) m^2 to 10^(-9) m^2. It is anticipated that this poroelastic material and model will form the basis for future studies of perfused flow through human VFs, engineered VF tissues and biomaterials, and VF models.