<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1409-2433</journal-id>
<journal-title><![CDATA[Revista de Matemática Teoría y Aplicaciones]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mat]]></abbrev-journal-title>
<issn>1409-2433</issn>
<publisher>
<publisher-name><![CDATA[Centro de Investigaciones en Matemática Pura y Aplicada (CIMPA) y Escuela de Matemática, San José, Costa Rica.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1409-24332025000100001</article-id>
<article-id pub-id-type="doi">10.15517/rmta.v32i1.58968</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Medición, simulación y evaluación de respuestas impulsionales para espacios acústicos con geometría rectangular]]></article-title>
<article-title xml:lang="en"><![CDATA[Measuring, simulation, and evaluation of room impulse responses for acoustical spaces with rectangular geometry]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Josué Abarca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[Alejandro Delgado]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica  Departamento de Matemáticas]]></institution>
<addr-line><![CDATA[ Guanacaste]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica  Departamento de Matemáticas]]></institution>
<addr-line><![CDATA[ Guanacaste]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2025</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1409-24332025000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1409-24332025000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1409-24332025000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este estudio se selecciona un espacio físico con geometría rectangular y se realiza un análisis comparativo entre los parámetros acústicos generados a partir de la medición in situ de sus respuestas impulsionales, utilizando un parlante unidireccional y los parámetros acústicos obtenidos a partir de métodos numéricos en un programa de simulación, donde se utiliza un parlante omnidireccional como fuente de sonido. Se evalúa también el posible beneficio de aproximar una fuente sonora onmidireccional mediante la rotación de una fuente unidireccional en el plano horizontal. Los resultados obtenidos indican que las mediciones realizadas con el parlante unidireccional permiten obtener una caracterización general de la acústica del espacio, con niveles de error que podrían ser tolerados, sobre todo a frecuencias medias, con la ventaja de tener un costo menor.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this paper, a closed room with rectangular geometry is selected, in which a comparative study is performed between the acoustical parameters, obtained from the measured room impulse responses using a directional loudspeaker as sound source, and those generated by numerical methods inside a simulation software, where the sound source is omnidirectional. The benefit of approximating an omnidirectional source by the rotation on the horizontal plane of a directional source is also evaluated. Results presented here indicate that the directional loudspeaker can be used to obtain a general characterisation of the acoustics of the room, with error levels that could be tolerated, particularly for midrange frequency bands, with the advantage of representing a low-cost alternative.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Acústica de espacios]]></kwd>
<kwd lng="es"><![CDATA[Respuestas impulsionales]]></kwd>
<kwd lng="es"><![CDATA[Mediciones acústicas]]></kwd>
<kwd lng="es"><![CDATA[Simulación de espacios acústicos]]></kwd>
<kwd lng="es"><![CDATA[Parámetros acústicos.]]></kwd>
<kwd lng="en"><![CDATA[Room acoustics]]></kwd>
<kwd lng="en"><![CDATA[Room impulse responses]]></kwd>
<kwd lng="en"><![CDATA[Acoustical measurements]]></kwd>
<kwd lng="en"><![CDATA[Room acoustics simulation]]></kwd>
<kwd lng="en"><![CDATA[Acoustical parameters]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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