Search results for "musical instrument"
showing 10 items of 46 documents
Nanofabrication on 2D and 3D Topography via Positive‐Tone Direct‐Write Laser Lithography
2019
Direct laser writing (DLW) lithography using two‐photon absorption is a powerful technique mostly used for fabrication of complex structures in micro‐ and nanoscale, by photopolymerizing a negative‐tone resist. In contrast, in this study it is demonstrated that DLW is also well suited for fabricating nano‐ to microscale metallic structures using lift‐off and a positive‐tone photoresist. It is shown first that versatile, fast and large area fabrication is possible on flat two‐dimensional insulating substrates, and an expression for how the line width varies with the scanning speed is derived, with excellent agreement with the experiments. Even more interestingly, a unique application for the…
Hörempfindungen im Ultraschallgebiet
1950
Tones between 15 and 200 kcycles are audible when applied by bone-conduction. The resulting sensation is to be observed not over the whole surface of the head and neck, but only over many points, of which early 60 have been investigated in cases of normally hearing persons of both sexes and middle age. The sensation is that of a very high tone and does not change according to frequency. The highest limit of hearing may lie near 200 kcycles. The reasons are discussed why hearing in this “ultrasonic” range seems to be a real one, which can be understood by observations ofGalambos andDavis on single nerve fiber-preparations.
Vibration Detector Based on GMR Sensors
2009
Up to now, vibrations have mostly been sensed by measuring displacement, velocity, and acceleration. The most common types of vibration sensors are piezoelectric, capacitive, null-balance, strain gage, optoelectronic, resonance beam, and piezoresistive. We present a low-cost and low-power vibration detector based on the measurement of magnetic field variations induced in a recent SS501 giant magnetoresistance (GMR) magnetic sensor, for which has never been applied. Vibrations on small ferromagnetic pieces disturb the Earth's magnetic field. These weak perturbations can be detected and measured over the assumed constant Earth's magnetic field, which is uniform over a wide area. A novel array…
CubeHarmonic: A new musical instrument based on Rubik{'}s cube with embedded motion sensor
2019
A contemporary challenge involves scientific education and the connection between new technologies and the heritage of the past. CubeHarmonic (CH) joins novelty and tradition, creativity and edu- cation, science and art. It takes shape as a novel musical instrument where magnetic 3D motion tracking technology meets musical per- formance and composition. CH is a Rubik’s cube with a note on each facet, and a chord or chord sequence on each face. The posi- tion of each facet is detected through magnetic 3D motion tracking. While scrambling the cube, the performer gets new chords and new chord sequences. CH can be used to compose, improvise,1 and teach music and mathematics (group theory, permu…
Creating Digital Musical Instruments With and for Children: Including Vocal Sketching as a Method for Engaging in Codesign
2020
International audience; A class of master of science students and a group of preschool children codesigned new digital musical instruments based on workshop interviews involving vocal sketching, a method for imitating and portraying sounds. The aim of the study was to explore how the students and children would approach vocal sketching as one of several design methods. The children described musical instruments to the students using vocal sketching and other modalities (verbal, drawing, gestures). The resulting instruments built by the students were showcased at the Swedish Museum of Performing Arts in Stockholm. Although all the children tried vocal sketching during preparatory tasks, few …
Pervivencia de estereotipos de género en las imágenes de los libros de texto de música españoles
2021
Resumen Los libros de texto musicales, en España, han intentado recoger los cambios legislativos promovidos gubernamentalmente, así como las diferencias en el tratamiento del género, mediante la representación de la mujer como instrumentista. El libro de texto de Música se convierte en una herramienta de difusión de estereotipos que pueden haber perdido vigencia en el mundo musical, pero que no terminan de interiorizarse debido al impacto de la imagen estereotipada publicada. Se han analizado 2.414 imágenes de 47 libros de texto de Música de Educación Primaria de distintas editoriales españolas para la Comunidad Valenciana con el objetivo de mostrar la evolución y presencia de la mujer como…
Dolor orofacial en músicos instrumentistas de viento
2012
Dentro de la amplia gama de tecnopatías que afectan a los intérpretes musicales (sean profesionales o no), el dolor orofacial es una de las más frecuentes, especialmente en los músicos de viento (viento-madera o viento-metal). Este trabajo pretende realizar una revisión bibliográfica relacionada con dicho tema, centrándose en los instrumentistas de viento. Material y métodos Se realizó la búsqueda en la National Library of Medicine's PubMed database así como en otras bases de datos médicas para identificar aquellos artículos revisados por pares en la literatura relacionados con los problemas orofaciales en músicos de viento, usando tanto palabras clave dentro de los Medical Subject Headings…
Through the Eyes of an Entangled Teacher: When Classical Musical Instrument Performance Tuition in Higher Education is Subject to Quality Assurance
2020
What happens when a classical music instrument performance course at a Norwegian state university study programme is assessed for quality following a standardized procedure? The article explores frictions and negotiations between managerial quality assurance and classical music performance education in a contextual sense, focusing particularly on the teacher-student relation. I employ my own experience as an instrument performance teacher in a Western Classical Music performance study programme while drawing on state acts, regulations, managerial processes, educational politics, funding, and classical music performance education’s habitus and heritage. I begin by addressing the institution …
Gas chromatography-mass spectrometry characterization of the varnish and glue of an ancient 18th century double bass.
2007
A GC–MS investigation is conducted on the double bass “Panormus”, property of Conservatorio di Musica “Vincenzo Bellini” in Palermo. The most important components of the varnish (fatty acids) and of the glue (proteinaceous amino acids), with which the musical instrument was treated in the past, are determined. The analyses are carried out by prior derivatization of fatty acids by acidic methanol and of amino acids by acidic methanol and trifluoroacetic anhydride (TFAA). Analytes identification is achieved by direct comparison with several reference materials and the use of a digitized library.
Influencia de la práctica instrumental en el sistema orofacial
2014
Introducción. El aparato estomatognático es muy importante para los instrumentistas de viento ya que les permite la ejecución musical. Por lo tanto, les debería preocupar su estado en cuanto a función y salud. Se ha observado que una maloclusión puede afectar a la correcta posición del instrumento en la boca, al igual que tocar instrumentos de viento podría influir en el esqueleto dentofacial. Sin embargo la exacta relación entre ellos no se conoce en profundidad. Es a esta relación a lo que pretendemos aportar con este trabajo. Objetivos. El propósito general es valorar los cambios y patologías orofaciales asociadas, con relación de causa-efecto, a la práctica con instrumentos musicales de…