<?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>1665-6423</journal-id>
<journal-title><![CDATA[Journal of applied research and technology]]></journal-title>
<abbrev-journal-title><![CDATA[J. appl. res. technol]]></abbrev-journal-title>
<issn>1665-6423</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias Aplicadas y Tecnología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-64232004000300003</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Hearing Aid. measurement of electroacoustical characteristics]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Ruiz]]></surname>
<given-names><![CDATA[S. J.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Damián-Zamacona]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quintana-Thierry]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bañuelos-Saucedo]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Hernández]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Ciencias Aplicadas y Desarrollo Tecnológico Laboratorio de Acustica]]></institution>
<addr-line><![CDATA[México Distrito Federal]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Nacional Autónoma de México de Ciencias Aplicadas y Desarrollo Tecnológico Laboratorio de Electrónica]]></institution>
<addr-line><![CDATA[México Distrito Federal]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2004</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2004</year>
</pub-date>
<volume>2</volume>
<numero>3</numero>
<fpage>205</fpage>
<lpage>215</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-64232004000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-64232004000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-64232004000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this work we show the results obtained from several measurements, on hearing aid (HA) prototype carried out at the Acoustic Laboratory of the Centro de Ciencias Aplicadas y Desarrollo Tecnológico (CCADET) at the Universidad Nacional Autónoma de México (UNAM). The hearing aid has been developed at the Electronics Laboratory of the same Center. All the electroacoustic measurements have been made according to the recommendations established in the ANSI and IEC Standards for hearing aids.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[En este trabajo, mostramos los resultados de varias mediciones para caracterizar un prototipo de un auxiliar (prótesis) auditivo. El prototipo fue desarrollado en el laboratorio de electrónica del Centro de Ciencias Aplicadas y Desarrollo Tecnológico (CCADET) en la Universidad Nacional Autónoma de México (UNAM). Todas las medidas electroacústicas se han hecho según las recomendaciones establecidas en las normas ANSI y IEC para los auxiliares auditivos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Hearing Aids]]></kwd>
<kwd lng="en"><![CDATA[Hearing Impairament]]></kwd>
<kwd lng="en"><![CDATA[Hearing Assesment]]></kwd>
<kwd lng="en"><![CDATA[Sensory Aids]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="center"><font face="verdana" size="4"><b>Hearing Aid. measurement of electroacoustical characteristics</b></font></p> 	    <p align="center">&nbsp;</p>  	    <p align="center"><font face="verdana" size="2"><b>S. J. P&eacute;rez&#45;Ruiz<sup>1</sup>, R. Dami&aacute;n&#45;Zamacona<sup>2</sup>, S. Quintana&#45;Thierry<sup>2</sup>, M. A. Ba&ntilde;uelos&#45;Saucedo<sup>2</sup> &amp; J. Castillo&#45;Hern&aacute;ndez<sup>2</sup></b></font></p>     <p align="center">&nbsp;</p>  	    <p align="justify"><font face="verdana" size="2"><sup>1</sup>&nbsp;<i>Laboratorio de Acustica, Centro de Ciencias Aplicadas y Desarrollo Tecnol&oacute;gico, UNAM Apdo. Postal 70&#45;186, Coyoac&aacute;n, 04510, M&eacute;xico, D.F.</i></font> </p>  	    <p align="justify"><font face="verdana" size="2"><sup>2</sup>&nbsp;<i>Laboratorio de Electr&oacute;nica, Centro de Ciencias Aplicadas y Desarrollo Tecnol&oacute;gico, UNAM Apdo. Postal 70&#45;186, Coyoac&aacute;n, 04510, M&eacute;xico, D.F.</i></font></p>     <p align="justify">&nbsp;</p>  	    <p align="justify"><font face="verdana" size="2">Received: January 13<sup>th</sup>, 2003.    <br> Accepted: March 4<sup>th</sup>, 2003.</font></p> 	    ]]></body>
<body><![CDATA[<p align="justify">&nbsp;</p> 	    <p align="justify"><font face="verdana" size="2"> <b>Abstract</b></font></p>  	    <p align="justify"><font face="verdana" size="2">In this work we show the results obtained from several measurements, on hearing aid (HA) prototype carried out at the Acoustic Laboratory of the Centro de Ciencias Aplicadas y Desarrollo Tecnol&oacute;gico (CCADET) at the Universidad Nacional Aut&oacute;noma de M&eacute;xico (UNAM). The hearing aid has been developed at the Electronics Laboratory of the same Center. All the electroacoustic measurements have been made according to the recommendations established in the ANSI and IEC Standards for hearing aids.</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Hearing Aids, Hearing Impairament, Hearing Assesment, Sensory Aids</font>.</p>     <p align="justify">&nbsp;</p>  	    <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>  	    <p align="justify"><font face="verdana" size="2">En este trabajo, mostramos los resultados de varias mediciones para caracterizar un prototipo de un auxiliar (pr&oacute;tesis) auditivo. El prototipo fue desarrollado en el laboratorio de electr&oacute;nica del Centro de Ciencias Aplicadas y Desarrollo Tecnol&oacute;gico (CCADET) en la Universidad Nacional Aut&oacute;noma de M&eacute;xico (UNAM). Todas las medidas electroac&uacute;sticas se han hecho seg&uacute;n las recomendaciones establecidas en las normas ANSI y IEC para los auxiliares auditivos.</font></p>     <p align="justify">&nbsp;</p>  	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/jart/v2n3/v2n3a3.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p> 	    <p align="justify">&nbsp;	</p> 	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>References</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;1&#93; Aldridge D. C., Jarvis D. R. A Method for Demostration the Linearity of Measurement Microphone at High Sound Pressures, Ac&uacute;stica 84 (6), 1167&#45;1171, 1998.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815948&pid=S1665-6423200400030000300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;2&#93; Aldridge D. C., Jarvis D. R. 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Memorias del XV Congreso de SOMI, 2000.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815952&pid=S1665-6423200400030000300003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;4&#93; MATLAB is a product of The MathWorKs Inc., Natick, MA.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815954&pid=S1665-6423200400030000300004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;5&#93; IEC 118 (0) Hearing Aids. Measurements of Electroacoustical Characteristics. International Electrotechnical Commission, 1983.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815956&pid=S1665-6423200400030000300005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;6&#93; ANSI S 3.22 Specification of Hearing Aid Characteristics. American National Standards Institute, 1976.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815958&pid=S1665-6423200400030000300006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;7&#93; ANSI S 3.3 (R1976) Electroacoustical Characteristics of Hearing Aids. American National Standards Institute, 1976.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815960&pid=S1665-6423200400030000300007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;8&#93; IEC 126 (1973) Reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts. International Electrotechnical Commission, 1973.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815962&pid=S1665-6423200400030000300008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2"> &#91;9&#93; IEC 1 18&#45;5 (1983&#45;01) Nipples for insert earphone. International Electrotechnical Commission, 1983.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815964&pid=S1665-6423200400030000300009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2"> &#91;10&#93; IEC 1 18&#45;2 (1983&#45;01) Hearing aids with automatic gain control circuits. International Electrotechnical Commission, 1983.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4815966&pid=S1665-6423200400030000300010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>      ]]></body><back>
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<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
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<article-title xml:lang="en"><![CDATA[A Method for Demostration the Linearity of Measurement Microphone at High Sound Pressures]]></article-title>
<source><![CDATA[Acústica]]></source>
<year>1998</year>
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</back>
</article>
