Acoustics of the jarana jarocha
Por:
Boullosa R.R., Gómez S.R.
Publicada:
1 abr 2014
Categoría:
Acoustics and Ultrasonics
Resumen:
Some acoustical measurements on the jarana jarocha primera (first), a traditional Mexican instrument, a "one-piece" body instrument, in the coastal region of the Gulf of Mexico, are presented. Experimental mobility function, radiativity function, and some radiation patterns were obtained. Harmonic analysis and visualization techniques using both the finite element method and laser speckle-Chladni methods were made to obtain the lower deflection shapes of the soundboard. The experimental analysis using mobility function measurements of the lower resonances shows behaviour very similar to that observed in the classical guitar. © 2013 Elsevier Ltd. All rights reserved.
Filiaciones:
Univ Nacl Autonoma Mexico, Ctr Ciencias Aplicadas & Desarrollo Tecnol, Lab Acust & Vibrac, Mexico City 04510, DF, Mexico
Grupo de Investigación de Mecánica Aplicada, Escuela de Ingeniería, Universidad EAFIT, Carrera 49 7 Sur 50, Avenida Las Vegas, Medellín, Colombia
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