{"id":3137,"date":"2014-07-02T12:00:00","date_gmt":"2014-07-02T15:00:00","guid":{"rendered":"https:\/\/www.psafe.com\/blog\/problema-delay-tv-digital"},"modified":"2014-07-04T15:50:23","modified_gmt":"2014-07-04T18:50:23","slug":"problema-delay-tv-digital","status":"publish","type":"post","link":"https:\/\/www.psafe.com\/blog\/problema-delay-tv-digital\/","title":{"rendered":"TV Digital – Saiba porque ocorre o problema de “delay”"},"content":{"rendered":"

\"Entenda<\/p>\n

Seus vizinhos costumam comemorar os gols da Copa do Mundo antes de você?<\/strong> Isso acontece porque existe um “delay<\/strong>” (atraso) na transmissão de sinal da televisão que pode gerar esse tipo de situação bem desagradável.<\/p>\n

A resposta desse atraso está na mesma tecnologia que faz com que a qualidade do sinal digital seja melhor do que na versão analógica. <\/span>Enquanto o modo antigo somente envia as ondas diretamente, a transmissão na <\/strong>TV digital<\/a><\/strong> <\/span>precisa passar pelos processos de codificação, compressão e decodificação.<\/strong><\/p>\n

Todo esse processo requer mais tempo, causando os atrasos na transmissão. Também há o fato de que a imagem digital ser mais pesada do que a analógica, o que contribui para a demora na codificação e decodificação.<\/span><\/p>\n

Ainda em relação às frequências envolvidas nas transmissões, vale ressaltar que as ondas de rádio são mais rápidas do que as da televisão analógica, o que também causaria atrasos se comparássemos as duas formas.<\/span><\/p>\n

Aparelhos de televisão mais novos podem ser mais rápidos e causar menos atrasos<\/strong>, mas é praticamente impossível que tenhamos essas transmissões tão rápidas quanto às das televisões analógicas em um futuro próximo.<\/span><\/p>\n

Diante deste cenário, <\/strong>os mais incomodados com a situação podem recorrer ao bom e velho sinal analógico<\/strong>. A qualidade da imagem será inferior, mas ninguém sofrerá com os vizinhos estragando a sua surpresa. Outra possibilidade é acompanhar a partida ao mesmo tempo pelo rádio, no qual o som chega em tempo real.<\/span><\/p>\n

Dentre as possibilidades, a pior delas é o streaming pela <\/strong>internet<\/a><\/strong>, que tem atraso maior do que as transmissões digitais de televisão, podendo atingir dezenas de segundos.<\/strong><\/p>\n

Se a sua TV é digital, basta ligar uma antena interna ou externa. Se ela não é digital, basta um conversor ou entrar em contato com um especialista em antenas. <\/span>Assim você estará pronto para assistir aos jogos da Copa do Mundo do Brasil e gritar gol no momento certo.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Entenda o que ocorre para que aconte\u00e7a o “delay” e porque seus vizinhos gritam “gol” antes de voc\u00ea na Copa do Mundo!<\/p>\n","protected":false},"author":114,"featured_media":8669,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-3137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"yoast_head":"\nTV Digital - Saiba porque ocorre o problema de "delay"<\/title>\n<meta name=\"description\" content=\"Entenda o que ocorre para que aconte\u00e7a o "delay" e porque seus vizinhos gritam "gol" antes de voc\u00ea na Copa do Mundo!\" \/>\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.psafe.com\/blog\/problema-delay-tv-digital\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TV Digital - 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