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The document describes the methodology used to obtain the polar pattern of 3 Tibetan bowls Physical measurements were taken for each bowl including diameters of 9 7 cm for the small bowl 11 cm for the medium bowl and 12 6 cm for the medium-large bowl Then measurements were made using the Svan 977 sound level meter for data collection and analysis The subject playing the bowl was placed in the middle of a circle with points spaced at 45-degree intervals in a range of 0 to 360 The sound level meter was located at approximately 1 20 meters from the ground with the source 80 cm from the microphone capsule Specific settings were used on the sound level meter including a 94 00 dB calibration one-third octave band and Slow filters and Z-weighting During the measurements participants tapped and rubbed the bowls as directed applying a duration of 20 seconds to each measurement which was considered adequate to obtain the necessary data The subsequent analysis of the data was carried out using a code in MATLAB allowing the visualization of the polar pattern of the sound stimuli generated by each one of the bowls El documento describe la metodolog a utilizada para obtener el patr n polar de 3 cuencos tibetanos Se toman las medidas f sicas para cada cuenco incluidos di metros de 9 7 cm para el cuenco peque o 11 cm para el cuenco mediano y 12 6 cm para el cuenco mediano-grande Luego se realizan mediciones utilizando el son metro Svan 977 para la recolecci n y an lisis de datos El sujeto int rprete del cuenco tibetano se coloca en medio de un c rculo con puntos espaciados a intervalos de 45 grados en un rango de 0 a 360 El son metro se ubica aproximadamente a una altura de 1 20 metros del suelo con la fuente a 80 cm de la c psula del micr fono Se utilizaron configuraciones espec ficas en el medidor de nivel de sonido incluida una calibraci n de 94dB bandas de un tercio de octava filtros lentos y ponderaci n Z Durante las mediciones los participantes golpean y frotan los cuencos seg n las instrucciones con una duraci n de 20 segundos para cada medici n consider ndose adecuada para obtener los datos necesarios El posterior an lisis de los datos se realiz mediante un c digo en MATLAB que permiti visualizar el patr n polar de los est mulos sonoros generados por cada uno de los cuencos

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Acoustic Characterization of Sound Stimuli from Tibetan Singing Bowls

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