{"product_id":"blackmagic-design-web-presenter-4k-358975","title":"Web Presenter 4K","description":"\u003ch3\u003eDa simplicidade do Web Presenter HD ao poder do 4K\u003c\/h3\u003e\u003cp\u003eO Web Presenter 4K segue a linha dos codificadores \"plug and stream\" da Blackmagic Design: uma publicação rápida, operação estável e ergonomia pensada para uso diário. Em relação à geração HD, esta versão dá um salto com a \u003cstrong\u003etransmissão Ultra HD\u003c\/strong\u003e, a chegada do \u003cstrong\u003eSRT em H.265\u003c\/strong\u003e e uma conectividade 12G-SDI adaptada às cadeias de produção atuais.\u003c\/p\u003e\u003cp\u003eProjetado para atender às exigências dos ambientes broadcast, ele se integra tanto em um rack de controle quanto em um flight case, com uma filosofia clara: fornecer um \u003cstrong\u003ecodificador autônomo\u003c\/strong\u003e que assegura a transmissão, mantendo controle imediato pela parte frontal e monitoramento legível nas saídas SDI ou HDMI.\u003c\/p\u003e\u003ch3\u003eUm codificador 4K feito para estúdios, centrais de controle e eventos ao vivo\u003c\/h3\u003e\u003cp\u003eO Blackmagic Web Presenter 4K é destinado às equipes que transmitem regularmente: estúdios de streaming, instituições, coletividades, espaços culturais, prestadores de serviços para eventos, organizações de treinamento ou produtores de conteúdo ao vivo. É especialmente adequado para formatos onde a confiabilidade é prioridade: conferências, webinars, shows, competições esportivas, estúdios multicâmeras e captações longas.\u003c\/p\u003e\u003cp\u003eSeu principal diferencial em campo e em estúdio é a \u003cstrong\u003evisibilidade operacional\u003c\/strong\u003e: você acompanha o estado do vídeo, níveis de áudio e rede em tempo real, mantendo uma saída de monitoramento dedicada. Resultado: menos incertezas no ar e diagnósticos mais rápidos quando é necessário intervir.\u003c\/p\u003e\u003ch3\u003eControle frontal, monitoramento detalhado e compatibilidade universal\u003c\/h3\u003e\u003ch4\u003eInterface de controle direta e operação remota\u003c\/h4\u003e\u003cp\u003eO painel frontal combina \u003cstrong\u003e6 botões\u003c\/strong\u003e, um \u003cstrong\u003ebotão giratório\u003c\/strong\u003e e uma \u003cstrong\u003etela colorida\u003c\/strong\u003e para ajustar e verificar a configuração sem depender constantemente de um computador. Para fluxos de trabalho integrados, o controle também é possível via \u003cstrong\u003eUSB-C\u003c\/strong\u003e ou \u003cstrong\u003eEthernet\u003c\/strong\u003e, prático em centrais de controle quando se centraliza a administração e atualizações.\u003c\/p\u003e\u003ch4\u003eUSB-C em modo \"webcam\": a ponte ideal para videoconferência\u003c\/h4\u003e\u003cp\u003eAlém do streaming direto, o USB-C pode emular uma \u003cstrong\u003ewebcam até 2160p60\u003c\/strong\u003e. Essa abordagem simplifica o uso com ferramentas de videoconferência e softwares no computador: o Web Presenter 4K torna-se uma interface de vídeo \"universal\" para enviar um sinal limpo proveniente de uma cadeia SDI para plataformas de reunião, gravação ou transmissão.\u003c\/p\u003e\u003ch4\u003eStreaming RTMP e SRT: robustez e flexibilidade conforme a rede\u003c\/h4\u003e\u003cp\u003ePara plataformas tradicionais, o RTMP em H.264 continua sendo um padrão simples de implementar. Quando as condições da rede se tornam mais variáveis, o \u003cstrong\u003eSRT\u003c\/strong\u003e oferece uma camada de resiliência valorizada em produção ao vivo, com a possibilidade de usar \u003cstrong\u003eH.265\u003c\/strong\u003e para otimizar a qualidade em largura de banda equivalente. Além disso, há suporte para \u003cstrong\u003elegendas CEA-608\/708\u003c\/strong\u003e integradas ao fluxo RTMP, útil para requisitos de acessibilidade e alguns fluxos institucionais.\u003c\/p\u003e\n\n\u003ch2\u003eEspecificações técnicas\u003c\/h2\u003e\n\u003cstyle\u003e@media(max-width:632px){table[data-wb-spec]{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}table[data-wb-spec] colgroup{display:none}table[data-wb-spec] tbody,table[data-wb-spec] tr{display:contents}table[data-wb-spec] td{display:block;overflow-wrap:anywhere;grid-row:var(--wb-l);background-color:var(--wb-lb)}table[data-wb-spec] td[data-r]{grid-row:var(--wb-r);background-color:var(--wb-rb)}table[data-wb-spec] td[colspan=\"2\"]{grid-column:1\/-1}table[data-wb-spec] td:empty{display:none}}\u003c\/style\u003e\n\u003ctable data-wb-spec style=\"width:100%;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol style=\"width:25%\"\u003e\u003ccol 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style=\"background-color:transparent;--wb-l:4;--wb-r:11;--wb-lb:var(--wb-neutral-50);--wb-rb:transparent\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eSaída de monitoramento SDI\/HDMI\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e1080p50\/59.94\/60\u003c\/td\u003e\u003ctd data-r style=\"text-align:left\"\u003e\u003cstrong\u003eNormas de streaming\u003c\/strong\u003e\u003c\/td\u003e\u003ctd data-r style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e720p25\/30\/50\/60\u003c\/td\u003e\u003c\/tr\u003e\n  \u003ctr style=\"background-color:var(--wb-neutral-50);--wb-l:5;--wb-r:12;--wb-lb:transparent;--wb-rb:var(--wb-neutral-50)\"\u003e\u003ctd style=\"text-align:left\"\u003e\u003cstrong\u003eEntrada SDI\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"text-align:left;font-weight:var(--font-body-weight-bolder)\"\u003e16 canais\u003c\/td\u003e\u003ctd data-r 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