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Altavoces de baja frecuencia en recintos herméticos y "reflex" aplicados al control activo del ruido

Authors: Siguero, Manuel; Cobo, Pedro;

Altavoces de baja frecuencia en recintos herméticos y "reflex" aplicados al control activo del ruido

Abstract

Cuando tenemos necesidad de alojar los altavoces elegidos en un recinto acústico que no sea demasiado voluminoso o pesado, ni demasiado frágil o vibrante, que permita a los altavoces trabajar con elasticidad y eficiencia, eso es problema nuestro; debemos diseñar el “bafle” adaptándolo al proyecto al que se aplicará. Esto es lo que aquí describimos, la elección de altavoces de tres fabricantes y el diseño y confección de cuatro recintos acústicos diferentes. Respuesta en frecuencia, sensibilidad y directividad de cada recinto.

[EN] This paper reports the process to select a driver and a enclosure associated having capacity to radiate frequencies between 50 and 500 Hertz. Loudspeakers with optimal performance within these frequency band are looked for a multichannel Active Noise Control (ANC). The system makes use of a generation and acquisition board controlled by a PC, based on MLS signals. Complete results and extracted comparisons are presented.

6 pages, 8 figures.-- PACS nr.: 43.38.-p.-- Communication presented at: Forum Acusticum Sevilla 2002 (Sevilla, Spain, 16-20 Sep 2002), comprising: 3rd European Congress on Acoustics; XXXIII Spanish Congress on Acoustics (TecniAcústica 2002); European and Japanese Symposium on Acoustics; 3rd Iberian Congress on Acoustics.-- Special issue of the journal Revista de Acústica, Vol. XXXIII, year 2002.

[ES] Cuando se requiere una serie de características en determinados sistemas de altavoces que sean capaces de responder con elasticidad y eficiencia en un rango concreto de frecuencias y también sean capaces de generar un alto nivel de presión sonora con un mínimo de distorsión, debemos elegir los drivers de baja frecuencia adecuados y eso va a depender en gran medida del fabricante.

Este trabajo ha sido posible gracias al apoyo financiero de la Comisión Interministerial de Ciencia y Tecnología (CICYT), proyecto DPI2001-1613-C02-01.

Peer reviewed

Keywords

Enclosure, Loudspeakers, Driver, 50-500 Hz radiation frequency, Active Noise Control Systems (ANC) (ANC)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green