{"id":7638,"date":"2026-11-04T10:10:38","date_gmt":"2026-11-04T10:10:38","guid":{"rendered":"https:\/\/windowsreport.com\/pt\/?p=7638"},"modified":"2026-11-04T10:23:46","modified_gmt":"2026-11-04T10:23:46","slug":"como-corrigir-o-som-do-windows-11-que-aumenta-e-diminui-apos-o-inicio-da-reproducao","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/pt\/como-corrigir-o-som-do-windows-11-que-aumenta-e-diminui-apos-o-inicio-da-reproducao\/","title":{"rendered":"Como corrigir o som do Windows 11 que aumenta e diminui ap\u00f3s o in\u00edcio da reprodu\u00e7\u00e3o"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" id=\"h-sound-fades-in-and-out-on-windows-11-when-audio-volume-suddenly-drops-slowly-increases-or-disappears-briefly-during-playback-the-problem-can-affect-speakers-headphones-bluetooth-devices-and-even-individual-apps\">O som aumenta e diminui gradualmente no Windows 11 quando o volume de \u00e1udio baixa subitamente, aumenta lentamente ou desaparece brevemente durante a reprodu\u00e7\u00e3o. O problema pode afetar altifalantes, auscultadores, dispositivos Bluetooth e at\u00e9 aplica\u00e7\u00f5es individuais. No passado, muitos utilizadores do Windows 11 relataram um comportamento semelhante. Embora o problema tenha sido uma preocupa\u00e7\u00e3o para muitos h\u00e1 alguns anos, alguns de voc\u00eas ainda podem notar que o \u00e1udio do Windows 11 demora um ou dois segundos a atingir o volume normal ap\u00f3s o in\u00edcio da reprodu\u00e7\u00e3o. Al\u00e9m disso, existe a possibilidade de o som diminuir depois de o PC permanecer em sil\u00eancio durante v\u00e1rios segundos. O problema pode estar relacionado com melhoramentos de \u00e1udio, defini\u00e7\u00f5es de comunica\u00e7\u00e3o, controladores Realtek e gest\u00e3o de energia espec\u00edfica do dispositivo. Se estiver a enfrentar um problema de som semelhante no Windows 11, experimente as seguintes corre\u00e7\u00f5es. <\/p>\n\n\n\n<h2 id=\"h-here-s-how-you-can-fix-windows-11-sound-when-it-fades-in-and-out\" class=\"wp-block-heading\">Eis como pode corrigir o som do Windows 11 quando este aumenta e diminui gradualmente<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Executar a ferramenta de resolu\u00e7\u00e3o de problemas de \u00e1udio do Windows 11<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O Windows 11 inclui uma ferramenta de resolu\u00e7\u00e3o de problemas de \u00e1udio incorporada que pode detetar problemas com a sa\u00edda de som, os servi\u00e7os de \u00e1udio e os dispositivos ligados. Execute-a antes de alterar controladores ou defini\u00e7\u00f5es de som avan\u00e7adas.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Prima Windows + I para abrir as Defini\u00e7\u00f5es.<\/li>\n\n\n\n<li>Aceda a Sistema &gt; Resolu\u00e7\u00e3o de problemas &gt; Outras ferramentas de resolu\u00e7\u00e3o de problemas.<\/li>\n\n\n\n<li>Encontre \u00c1udio na lista.<\/li>\n\n\n\n<li>Clique em Executar junto ao item.<\/li>\n\n\n\n<li>Siga as instru\u00e7\u00f5es na janela Obter Ajuda.<\/li>\n\n\n\n<li>Aplique as corre\u00e7\u00f5es recomendadas e reinicie o PC se lhe for pedido.<\/li>\n\n\n\n<li>Reproduza m\u00fasica ou um v\u00eddeo para verificar se o som continua a aumentar e a diminuir.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Em alternativa, clique com o bot\u00e3o direito do rato no \u00edcone do altifalante na barra de tarefas e selecione Resolver problemas de som, se essa op\u00e7\u00e3o estiver dispon\u00edvel na sua vers\u00e3o do Windows 11. Para passos adicionais de resolu\u00e7\u00e3o de problemas, consulte o <a href=\"https:\/\/support.microsoft.com\/en-gb\/windows\/hardware\/audio\/fix-sound-or-audio-problems-in-windows?\" target=\"_blank\" rel=\"noreferrer noopener\">guia oficial da Microsoft para a resolu\u00e7\u00e3o de problemas de \u00e1udio no Windows<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Desativar os melhoramentos de \u00e1udio<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Os melhoramentos de \u00e1udio do Windows 11 podem, por vezes, interferir com a reprodu\u00e7\u00e3o. Funcionalidades como a equaliza\u00e7\u00e3o de volume e os efeitos de som fornecidos pelo fabricante podem causar altera\u00e7\u00f5es de volume inesperadas. A Microsoft tamb\u00e9m recomenda desativar os melhoramentos ao resolver problemas de \u00e1udio baixo ou distorcido. Eis como testar esta defini\u00e7\u00e3o.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Prima Windows + I para abrir as Defini\u00e7\u00f5es.<\/li>\n\n\n\n<li>Aceda a Sistema &gt; Som.<\/li>\n\n\n\n<li>Em Sa\u00edda, selecione os seus altifalantes ou auscultadores.<\/li>\n\n\n\n<li>Localize Melhoramentos de \u00e1udio nas defini\u00e7\u00f5es do dispositivo de \u00e1udio.<\/li>\n\n\n\n<li>Defina a op\u00e7\u00e3o como Desativado.<\/li>\n\n\n\n<li>Reproduza m\u00fasica ou um v\u00eddeo e verifique se o volume se mant\u00e9m consistente.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Se o som continuar a aumentar e a diminuir, prossiga. Poder\u00e1 restaurar os melhoramentos mais tarde se estes n\u00e3o forem os respons\u00e1veis.<\/p>\n\n\n\n<h3 id=\"h-3-disable-automatic-volume-adjustment-for-communications\" class=\"wp-block-heading\">3. Desativar o ajuste autom\u00e1tico de volume para comunica\u00e7\u00f5es<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O Windows pode reduzir automaticamente outros sons quando deteta atividade de comunica\u00e7\u00e3o. Esta funcionalidade pode interferir com m\u00fasica, v\u00eddeos ou outra reprodu\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Desativ\u00e1-la pode ajudar a determinar se o Windows est\u00e1 a baixar o volume automaticamente.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Prima Windows + R.<\/li>\n\n\n\n<li>Escreva <em><strong>mmsys.cpl<\/strong><\/em> e prima Enter.<\/li>\n\n\n\n<li>Abra o separador Comunica\u00e7\u00f5es.<\/li>\n\n\n\n<li>Selecione N\u00e3o fazer nada.<\/li>\n\n\n\n<li>Clique em Aplicar e, em seguida, em OK.<\/li>\n\n\n\n<li>Reinicie a reprodu\u00e7\u00e3o de \u00e1udio e teste novamente.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Esta defini\u00e7\u00e3o vale particularmente a pena verificar se o som se alterar quando abrir uma aplica\u00e7\u00e3o de chamadas de voz ou v\u00eddeo.<\/p>\n\n<h3 id=\"h-4-check-the-volume-mixer\" class=\"wp-block-heading\">4. Verifique o Misturador de volume<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O Windows 11 permite que cada aplica\u00e7\u00e3o utilize n\u00edveis de volume separados. Uma aplica\u00e7\u00e3o tamb\u00e9m pode utilizar um dispositivo de sa\u00edda diferente do predefinido do sistema.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se o desvanecimento do som ocorrer apenas no Chrome, no Spotify ou num jogo, verifique as defini\u00e7\u00f5es individuais da aplica\u00e7\u00e3o.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Abra Defini\u00e7\u00f5es &gt; Sistema &gt; Som.<\/li>\n\n\n\n<li>Selecione Misturador de volume.<\/li>\n\n\n\n<li>Encontre a aplica\u00e7\u00e3o afetada em Aplica\u00e7\u00f5es.<\/li>\n\n\n\n<li>Certifique-se de que o controlo de volume n\u00e3o est\u00e1 a mudar inesperadamente.<\/li>\n\n\n\n<li>Verifique se est\u00e1 a utilizar o seu dispositivo de sa\u00edda preferido.<\/li>\n\n\n\n<li>Feche e volte a abrir a aplica\u00e7\u00e3o afetada.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Se todas as aplica\u00e7\u00f5es tiverem o mesmo problema, continue com a corre\u00e7\u00e3o seguinte.<\/p>\n\n\n\n<h3 id=\"h-5-change-your-default-audio-format\" class=\"wp-block-heading\">5. Altere o formato de \u00e1udio predefinido<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Um formato de \u00e1udio incompat\u00edvel pode causar problemas de reprodu\u00e7\u00e3o em determinados dispositivos. Alterar o formato predefinido \u00e9 um teste \u00fatil quando o \u00e1udio se desvanece, estala ou soa de forma inconsistente.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Abra Defini\u00e7\u00f5es &gt; Sistema &gt; Som.<\/li>\n\n\n\n<li>Selecione o seu dispositivo de sa\u00edda ativo.<\/li>\n\n\n\n<li>Expanda Avan\u00e7adas.<\/li>\n\n\n\n<li>Encontre Formato predefinido.<\/li>\n\n\n\n<li>Selecione outro formato dispon\u00edvel.<\/li>\n\n\n\n<li>Teste o \u00e1udio novamente.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Experimente as op\u00e7\u00f5es dispon\u00edveis uma de cada vez. Mantenha o formato que produzir uma reprodu\u00e7\u00e3o est\u00e1vel.<\/p>\n\n\n\n<h3 id=\"h-6-restart-windows-audio-services\" class=\"wp-block-heading\">6. Reinicie os servi\u00e7os de \u00e1udio do Windows<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O Windows depende de servi\u00e7os em segundo plano para gerir a reprodu\u00e7\u00e3o de \u00e1udio. Problemas tempor\u00e1rios nos servi\u00e7os podem interromper o som ou fazer com que as aplica\u00e7\u00f5es se comportem de forma inesperada. Reiniciar estes servi\u00e7os pode restaurar a reprodu\u00e7\u00e3o normal sem alterar a configura\u00e7\u00e3o de \u00e1udio.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Prima Windows + R.<\/li>\n\n\n\n<li>Escreva <strong><em>services.msc<\/em><\/strong> e prima Enter.<\/li>\n\n\n\n<li>Encontre \u00c1udio do Windows.<\/li>\n\n\n\n<li>Clique com o bot\u00e3o direito do rato no servi\u00e7o e selecione Reiniciar.<\/li>\n\n\n\n<li>Repita o processo para Construtor de Pontos Finais de \u00c1udio do Windows.<\/li>\n\n\n\n<li>Reinicie o PC e teste o som.<\/li>\n<\/ol>\n\n\n\n<h3 id=\"h-7-update-or-reinstall-your-audio-driver\" class=\"wp-block-heading\">7. Atualize ou reinstale o controlador de \u00e1udio<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Um controlador de \u00e1udio desatualizado ou incompat\u00edvel pode causar um comportamento de reprodu\u00e7\u00e3o invulgar. Isto \u00e9 especialmente relevante se o problema tiver come\u00e7ado ap\u00f3s uma atualiza\u00e7\u00e3o do Windows ou a instala\u00e7\u00e3o de um controlador.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Clique com o bot\u00e3o direito do rato no bot\u00e3o Iniciar e abra o Gestor de Dispositivos.<\/li>\n\n\n\n<li>Expanda Controladores de som, v\u00eddeo e jogos.<\/li>\n\n\n\n<li>Clique com o bot\u00e3o direito do rato no seu dispositivo de \u00e1udio.<\/li>\n\n\n\n<li>Selecione Atualizar controlador.<\/li>\n\n\n\n<li>Escolha Procurar automaticamente controladores.<\/li>\n\n\n\n<li>Reinicie o PC ap\u00f3s a instala\u00e7\u00e3o.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Se o Windows n\u00e3o encontrar um controlador adequado, visite o site de suporte do fabricante do seu port\u00e1til ou da placa-m\u00e3e. Transfira o controlador de \u00e1udio para o seu modelo exato. Se a atualiza\u00e7\u00e3o n\u00e3o resolver, reinstale o controlador fornecido pelo fabricante. Tamb\u00e9m pode consultar o separador Controlador nas Propriedades do dispositivo. Selecione Reverter controlador se o problema tiver come\u00e7ado ap\u00f3s uma atualiza\u00e7\u00e3o do controlador e essa op\u00e7\u00e3o estiver dispon\u00edvel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. Verifique a gest\u00e3o de energia do \u00e1udio Realtek<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Alguns relatos apontam para a gest\u00e3o de energia do \u00e1udio Realtek como uma poss\u00edvel causa do desvanecimento do som ap\u00f3s per\u00edodos de sil\u00eancio. Este problema aparece em discuss\u00f5es que envolvem computadores HP Omen e outros sistemas. No passado, alguns utilizadores consideraram \u00fatil corrigir o problema de desvanecimento do \u00e1udio Realtek alterando as defini\u00e7\u00f5es de energia do controlador. No entanto, isto envolve o Editor de Registo e os resultados podem variar entre dispositivos. Antes de tentar altera\u00e7\u00f5es no registo, crie um ponto de restauro e fa\u00e7a uma c\u00f3pia de seguran\u00e7a da chave de registo relevante. Evite copiar valores de registo de outro computador. Certifique-se de come\u00e7ar pelas corre\u00e7\u00f5es mais seguras do controlador e das melhorias indicadas acima.<\/p>\n\n<h3 class=\"wp-block-heading\">9. Teste outro dispositivo de \u00e1udio<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Testar outra sa\u00edda ajuda a determinar se o problema vem do Windows ou do hardware atual.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ligue um par diferente de auscultadores com fios.<\/li>\n\n\n\n<li>Teste o mesmo \u00e1udio nas colunas do monitor, se dispon\u00edveis.<\/li>\n\n\n\n<li>Experimente outro dispositivo de \u00e1udio USB ou Bluetooth.<\/li>\n\n\n\n<li>Reproduza o mesmo v\u00eddeo ou a mesma m\u00fasica em cada dispositivo.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Se apenas as colunas integradas apresentarem desvanecimento, o problema pode estar relacionado com o respetivo controlador ou hardware. Se todas as sa\u00eddas se comportarem da mesma forma, investigue mais aprofundadamente as defini\u00e7\u00f5es do Windows e o software de \u00e1udio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Resumindo<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O desvanecimento do som no Windows 11 pode ser frustrante, especialmente quando interrompe m\u00fasica, v\u00eddeos ou jogos. Comece pelas melhorias de \u00e1udio, defini\u00e7\u00f5es de comunica\u00e7\u00e3o e verifica\u00e7\u00f5es dos controladores antes de tentar altera\u00e7\u00f5es avan\u00e7adas. Se estiver a ter outros problemas de som, os nossos guias sobre <a href=\"https:\/\/windowsreport.com\/pt\/correcao-latencia-de-audio-no-windows-10-11\/\" target=\"_blank\" rel=\"noreferrer noopener\">corrigir a lat\u00eancia de \u00e1udio no Windows<\/a> e resolver o erro Audio Service is not running tamb\u00e9m podem ajudar.<\/p>\n\n\n\n<h2 id=\"h-faqs-related-to-sound-fading-in-and-out-in-windows-11\" class=\"wp-block-heading\">Perguntas frequentes relacionadas com o desvanecimento do som no Windows 11<\/h2>\n\n\n\n<h3 id=\"h-1-why-does-my-windows-11-sound-fade-in-when-i-start-playing-music\" class=\"wp-block-heading\">1. Porque \u00e9 que o som do Windows 11 aumenta gradualmente quando come\u00e7o a reproduzir m\u00fasica?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">As melhorias de \u00e1udio, o comportamento do controlador ou a gest\u00e3o de energia podem atrasar a reprodu\u00e7\u00e3o. Experimente desativar as melhorias e testar outro dispositivo de sa\u00edda.<\/p>\n\n\n\n<h3 id=\"h-2-why-does-my-sound-fade-out-randomly\" class=\"wp-block-heading\">2. Porque \u00e9 que o som se desvanece aleatoriamente?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Defini\u00e7\u00f5es de \u00e1udio incorretas, controlos de volume espec\u00edficos de aplica\u00e7\u00f5es e controladores incompat\u00edveis podem causar uma reprodu\u00e7\u00e3o inconsistente. Verifique primeiro o Misturador de volume.<\/p>\n\n\n\n<h3 id=\"h-3-does-realtek-cause-sound-fading-in-windows-11\" class=\"wp-block-heading\">3. O Realtek causa desvanecimento do som no Windows 11?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Alguns utilizadores relataram desvanecimento com os controladores de \u00e1udio Realtek. No entanto, isso n\u00e3o significa que todos os problemas de desvanecimento venham da Realtek.<\/p>\n\n\n\n<h3 id=\"h-4-can-a-windows-update-cause-audio-problems\" class=\"wp-block-heading\">4. Uma atualiza\u00e7\u00e3o do Windows pode causar problemas de \u00e1udio?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sim. Um controlador de \u00e1udio incompat\u00edvel ou instalado parcialmente pode causar problemas de reprodu\u00e7\u00e3o ap\u00f3s uma atualiza\u00e7\u00e3o. Reverter o controlador pode ajudar.<\/p>\n\n\n\n<h3 id=\"h-5-should-i-disable-audio-enhancements-permanently\" class=\"wp-block-heading\">5. Devo desativar as melhorias de \u00e1udio permanentemente?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o necessariamente. Desative-as temporariamente para testar se causam o problema. Pode voltar a ativ\u00e1-las se a reprodu\u00e7\u00e3o permanecer est\u00e1vel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O som aumenta e diminui gradualmente no Windows 11 quando o volume de \u00e1udio baixa subitamente, aumenta lentamente ou desaparece brevemente durante a reprodu\u00e7\u00e3o. O problema pode afetar altifalantes, auscultadores, dispositivos Bluetooth e at\u00e9 aplica\u00e7\u00f5es individuais. No passado, muitos utilizadores do Windows 11 relataram um comportamento semelhante. Embora o problema tenha sido uma preocupa\u00e7\u00e3o para [&hellip;]<\/p>\n","protected":false},"author":2314,"featured_media":7639,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[318,317],"tags":[],"work":[],"class_list":["post-7638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","category-fix"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Como corrigir o som do Windows 11 que aumenta e diminui ap\u00f3s o in\u00edcio da reprodu\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Corrija o som que aumenta e diminui no Windows 11 com 8 solu\u00e7\u00f5es que abordam aprimoramentos de \u00e1udio, configura\u00e7\u00f5es de volume, drivers Realtek e muito mais\" 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