{"id":1658,"date":"2019-05-16T11:01:10","date_gmt":"2019-05-16T11:01:10","guid":{"rendered":"https:\/\/www.dasaudio.com\/?page_id=1658"},"modified":"2021-02-10T10:54:05","modified_gmt":"2021-02-10T10:54:05","slug":"artigos_tecnicos","status":"publish","type":"page","link":"https:\/\/www.dasaudio.com\/pt-br\/educacao\/artigos_tecnicos\/","title":{"rendered":"ARTIGOS T\u00c9CNICOS"},"content":{"rendered":"<p>[vc_row disable_element=&#8221;yes&#8221;][vc_column][rev_slider_vc alias=&#8221;artigos&#8221;][\/vc_column][\/vc_row][vc_row][vc_column]<style type=\"text\/css\" data-type=\"vc_shortcodes-custom-css\">.vc_custom_1558353994514{background-color: #f1f1f2 !important;}<\/style>\r\n        <div id=\"contenido_soporte_principal\" data-vc-full-width=\"true\" data-vc-full-width-init=\"false\" class=\"vc_row wpb_row vc_row-fluid formacion_principal menu_interior_formacion vc_custom_1558353994514 vc_row-has-fill\">\r\n            <div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\r\n                <div class=\"vc_row wpb_row vc_inner vc_row-fluid botones_soporte\">\r\n                    <div class=\"wpb_column vc_column_container vc_col-sm-1\/5\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\r\n                        \n\t<div  class=\"wpb_single_image wpb_content_element vc_align_center   img_icono\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/workshops\/\" target=\"_self\" class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"76\" src=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2019\/05\/workshops.png\" class=\"vc_single_image-img attachment-full\" alt=\"Workshops\" \/><\/a>\n\t\t<\/figure>\n\t<\/div>\n\r\n                        \n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/workshops\/\">WORKSHOPS<\/a><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\r\n                    <\/div><\/div><\/div>\r\n                    <div class=\"wpb_column vc_column_container vc_col-sm-1\/5\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\r\n                        \n\t<div  class=\"wpb_single_image wpb_content_element vc_align_center   img_icono\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/webinars\/\" target=\"_self\" class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"80\" src=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2019\/05\/webinars.png\" class=\"vc_single_image-img attachment-full\" alt=\"Webinars\" \/><\/a>\n\t\t<\/figure>\n\t<\/div>\n\r\n                        \n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/webinars\/\">WEBINARS<\/a><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\r\n                    <\/div><\/div><\/div>\r\n                    <div class=\"wpb_column vc_column_container vc_col-sm-1\/5\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\r\n                        \n\t<div  class=\"wpb_single_image wpb_content_element vc_align_center   img_icono\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/calendario\/\" target=\"_self\" class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"61\" height=\"79\" src=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2019\/05\/calendario.png\" class=\"vc_single_image-img attachment-full\" alt=\"Calendario\" \/><\/a>\n\t\t<\/figure>\n\t<\/div>\n\r\n                        \n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/calendario\/\">CALEND\u00c1RIO<\/a><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\r\n                    <\/div><\/div><\/div>\r\n                    <div class=\"wpb_column vc_column_container vc_col-sm-1\/5\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\r\n                        \n\t<div  class=\"wpb_single_image wpb_content_element vc_align_center   img_icono\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/videos\/\" target=\"_self\" class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"70\" src=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2019\/05\/videos.png\" class=\"vc_single_image-img attachment-full\" alt=\"Videos\" \/><\/a>\n\t\t<\/figure>\n\t<\/div>\n\r\n                        \n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/videos\/\">VIDEOS<\/a><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\r\n                    <\/div><\/div><\/div>\r\n                    <div class=\"menu_formacion_activo wpb_column vc_column_container vc_col-sm-1\/5\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\r\n                        \n\t<div  class=\"wpb_single_image wpb_content_element vc_align_center   img_icono\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/artigos_tecnicos\/\" target=\"_self\" class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"58\" height=\"81\" src=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2019\/05\/faqs.png\" class=\"vc_single_image-img attachment-full\" alt=\"FAQS\" \/><\/a>\n\t\t<\/figure>\n\t<\/div>\n\r\n                        \n\t<div class=\"wpb_text_column wpb_content_element \" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2><a href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/artigos_tecnicos\/\">ARTIGOS T\u00c9CNICOS<\/a><\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\r\n                    <\/div><\/div><\/div>\r\n                <\/div>\r\n            <\/div><\/div><\/div>\r\n        <\/div><div class=\"vc_row-full-width vc_clearfix\"><\/div>[\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221; el_class=&#8221;intro_formacion&#8221; css=&#8221;.vc_custom_1558351397649{background-color: #f1f1f2 !important;}&#8221;][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text]<\/p>\n<h1>Artigos T\u00e9cnicos<\/h1>\n<p>Aqui voc\u00ea pode ver artigos t\u00e9cnicos que ajudar\u00e3o voc\u00ea a se preparar para participar dos diferentes cursos ou revisar conceitos e uso de sistemas e programas de simula\u00e7\u00e3o ac\u00fastica.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221; css=&#8221;.vc_custom_1558436532732{background-color: #f1f1f2 !important;}&#8221; el_class=&#8221;faqs_formacion formacion_contenido_blanco_fuera_gris&#8221; el_id=&#8221;contenido_soporte&#8221;][vc_column][vc_row_inner el_class=&#8221;intro_soporte&#8221;][vc_column_inner][vc_column_text][\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_tta_accordion style=&#8221;outline&#8221; shape=&#8221;square&#8221; color=&#8221;white&#8221; c_icon=&#8221;&#8221; active_section=&#8221;-1&#8243; collapsible_all=&#8221;true&#8221; el_class=&#8221;acordeon_faq&#8221;][vc_tta_section title=&#8221;Ajuste dos Subwoofers Cardioides&#8221; tab_id=&#8221;faq-1&#8243;][vc_column_text]Em geral, podemos dizer que um alto-falante, ou um conjunto de alto-falantes, irradia com um padr\u00e3o cardi\u00f3ide quando se irradia mais \u00e0 frente do que para tr\u00e1s. Configurar uns subwoofers para que irradiem assim, \u00e9 algo relativamente simples de fazer. Voc\u00ea apenas precisa saber os passos a seguir e como usar qualquer um dos v\u00e1rios sistemas de medi\u00e7\u00e3o usando a fun\u00e7\u00e3o de transfer\u00eancia.<\/p>\n<p>Autor: Joan La Roda, D.A.S. Audio, Departamento de Engenharia<br \/>\n<a href=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2011\/11\/Subgraves_cardioides_V11.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Baixar Artigo<\/a>\u00a0(PDF, 3 MB)[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Ajuste de Fases entre Subgraves y Unidades de Medios-Agudos&#8221; tab_id=&#8221;faq-4&#8243;][vc_column_text]Os sistemas de medi\u00e7\u00e3o port\u00e1teis com base no transformador r\u00e1pido Fourier nos permitiram ajustar as fases entre as cabe\u00e7as e subwoofer tanto em instala\u00e7\u00f5es fixas quanto em concertos, onde tamb\u00e9m a cada dia temos uma situa\u00e7\u00e3o diferente. Isto \u00e9 especialmente importante agora que os meio-agudos s\u00e3o pendurados em muitas ocasi\u00f5es e os subwoofers ficam no ch\u00e3o, de modo que a diferen\u00e7a de fase na posi\u00e7\u00e3o de audi\u00e7\u00e3o pode ser significativa. Visto que \u00e9 um assunto de interesse para os usu\u00e1rios, assim como a melhoria que se sup\u00f5e, parecia interessante escrever um artigo que descreve o processo passo a passo de medi\u00e7\u00e3o.Antes de ver o procedimento, revisaremos a fase de conceito.<\/p>\n<p>Autor: Joan La Roda, D.A.S. Audio, Departamento de Engenharia<br \/>\n<a href=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2011\/11\/Ajuste_de_-fases.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Baixar Artigo<\/a>\u00a0(PDF, 3 MB)[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Line Arrays-Como Funcionan&#8221; tab_id=&#8221;faq-6&#8243;][vc_column_text]Os line arrays foram especialmente concebidos para que quando voc\u00ea montar v\u00e1rias unidades, todas se comportarem como uma \u00fanica fonte de som. Isto \u00e9 o que os diferencia dos sistemas convencionais.Mas como eles funcionam? Este artigo explicita a teoria do line array para uma compreens\u00e3o desses sistemas ac\u00fasticos.<\/p>\n<p>Autor: Joan La Roda, D.A.S. Audio, Departamento de Engenharia.<br \/>\n<a href=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2011\/11\/LINE_ARRAYS_COMO_FUNCIONAN_2008.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Baixar Artigo<\/a>\u00a0(PDF, 536 KB)[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Guia DASaim\u2122&#8221; tab_id=&#8221;faq-7&#8243;][vc_column_text]O DASaim\u2122 usa a tecnologia AFMG\u00ae Firmaker\u00ae que agora est\u00e1 integrada ao GLL V3.52 dos sistemas AERO-40A, AERO-20A e AERO-20A-120 usados \u200b\u200bno EASE Focus V3, a ferramenta de simula\u00e7\u00e3o ac\u00fastica e da modelagem usada pelo DAS Audio.<\/p>\n<p>O DASaim\u2122 projeta filtros FIR otimizados para cada caixa de matriz, permitindo um controle sem precedentes do comportamento geral do sistema e, assim, alcan\u00e7ar os resultados desejados.<\/p>\n<p>Autor: Departamento de engenharia de \u00e1udio DAS<\/p>\n<p><a href=\"http:\/\/d7rh5s3nxmpy4.cloudfront.net\/CMP829\/files\/UM_DASAIM_MANUAL_ES.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Baixar Artigo<\/a> (PDF, 3.39 MB)[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;DSP Loudspeaker 3D Complex Correction&#8221; tab_id=&#8221;1579775328516-b03fc69b-7d20&#8243;][vc_column_text]<\/p>\n<p class=\"p1\">An advantageous approach to DSP equalization of loudspeakers is proposed in this paper adopting spatial averages\u00a0of complex responses acquired from 3D balloon measurements. Alignment of the off-axis impulses responses with\u00a0the on-axis impulse responses are accomplished using a cross-correlation technique prior to spatial averaging to\u00a0attain meaningful statistics of magnitude and phase responses.<\/p>\n<p>Author: Victor Catal\u00e1, Engineering Department<\/p>\n<p><a href=\"http:\/\/d7rh5s3nxmpy4.cloudfront.net\/CMP829\/files\/2\/WP_DSP_LOUDSPEAKER_3D_COMPLEX_CORRECTION_07.pdf\">Download Article<\/a> (PDF, 3,4 MB)[\/vc_column_text][\/vc_tta_section][vc_tta_section title=&#8221;Crossover Design Based on Average Filters&#8221; tab_id=&#8221;1604314808500-ae1208ee-d057&#8243;][vc_column_text]<\/p>\n<p class=\"p1\" style=\"text-align: left;\">A method based on the alignment at different angles within a listening window to get a representative median level and phase correction, and posterior phase optimization based on maximum average level at crossover frequencies is presented. Forcertain designs, this method can provide better radiation pattern at crossover, better average level response within the intended listening window, and smoother directivity transitions between ways.<\/p>\n<p>Author: Victor Catal\u00e1, Engineering Department<\/p>\n<p><a href=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2020\/11\/Crossover-design-based-on-average-filters-v8_DAS.pdf\">Download Article<\/a> (PDF, 1,5 MB)[\/vc_column_text][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"WORKSHOPS WEBINARS CALEND\u00c1RIO VIDEOS ARTIGOS T\u00c9CNICOS Artigos T\u00e9cnicos Aqui voc\u00ea pode ver artigos t\u00e9cnicos que ajudar\u00e3o voc\u00ea a se preparar para participar dos diferentes cursos ou revisar conceitos e uso de sistemas e programas de simula\u00e7\u00e3o ac\u00fastica. Ajuste dos Subwoofers Cardioides Em geral, podemos dizer que um alto-falante, ou um conjunto de alto-falantes, irradia com [...]","protected":false},"author":1,"featured_media":0,"parent":1628,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1658","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ARTIGOS T\u00c9CNICOS - DAS Audio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/artigos_tecnicos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ARTIGOS T\u00c9CNICOS - DAS Audio\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dasaudio.com\/pt-br\/educacao\/artigos_tecnicos\/\" \/>\n<meta property=\"og:site_name\" content=\"DAS Audio\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pages\/DAS-Audio\/109142086128\" \/>\n<meta property=\"article:modified_time\" content=\"2021-02-10T10:54:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dasaudio.com\/wp-content\/uploads\/2026\/03\/logo_das_seo.png\" \/>\n\t<meta property=\"og:image:width\" content=\"330\" \/>\n\t<meta property=\"og:image:height\" content=\"330\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@dasaudio\" \/>\n<meta name=\"twitter:label1\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/educacao\\\/artigos_tecnicos\\\/\",\"url\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/educacao\\\/artigos_tecnicos\\\/\",\"name\":\"ARTIGOS T\u00c9CNICOS - DAS Audio\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/#website\"},\"datePublished\":\"2019-05-16T11:01:10+00:00\",\"dateModified\":\"2021-02-10T10:54:05+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/educacao\\\/artigos_tecnicos\\\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/educacao\\\/artigos_tecnicos\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/educacao\\\/artigos_tecnicos\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Educa\u00e7\u00e3o\",\"item\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/educacao\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ARTIGOS T\u00c9CNICOS\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/#website\",\"url\":\"https:\\\/\\\/www.dasaudio.com\\\/pt-br\\\/\",\"name\":\"DAS Audio\",\"description\":\"D.A.S. 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