Sistemas Operacionais Nomenclatura

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Blu -ray Sistemas Operacionais Nomenclatura • Blu-ray Disc ou Blue-ray Disc??? Blu -ray Disc • Abreviação - BD Blue-ray • Disco óptico com 12cm de diâmetro. • Utilizado em: Vídeos de alta definição (HD – 1080p). Armazenamento de dados. • Sucessor do DVD ??? • Blu-ray Disc Association(BDA), criada pela Sony e Panasonic. • Laser azul-violeta. Capacidade do disco Blu-ray Formatos dos discos Blu-ray • BD-ROM – Disco somente para leitura (usado na distribuição de filmes HD, games, softwares). • BD-R – Disco gravável (gravação de filmes HD e armazenamento de dados). • BD-RE – Disco regravável (gravação de filmes HD e armazenamento de dados). Tecnologia empregada no Blu-ray Laser azul Menor comprimento de onda(405 nm). Maior precisão. Maior aproveitamento do espaço físico. Mais informação, no mesmo espaço físico. Blu-ray X HD-DVD • Blu-ray e HD-DVD fizeram uma “guerra” para saber qual seria o substituto do DVD. • 19 fevereiro de 2008, a Toshiba parou com o desenvolvimento e fabricação do HD -DVD. Motivos: Warner Bros usaria, exclusivamente, o Blu-ray. PlayStation 3 utiliza o formato Blu-ray. Microsoft não utilizou o HD-DVD no Xbox 360. Capacidade - DVD X HD–DVD X Blu-ray Diferenças entre Blu-ray e DVD Estrutura do Blu-ray Estrutura do Blu-ray Si layer: Camada de Silício; Cu alloy layer: Camada de liga de Cobre; Cover layer: Camada de cobertura. Reflective layer: Camada refletora; PC Substrate: Substrato de policarbonato. DVD X Blue-ray Resistência do Blu-ray • Os discos Blu-ray têm uma capa de substrato, cujo nome comercial é Durabis . Essa camada proporciona: – Resistência aos arranhões. – Resistências as impressões digitais. Escrita - CD X DVD X Blu-ray Escrita - Blu-ray X DVD X CD Velocidade de gravação Blu-ray X HD-DVD Qual foi o vencedor da “guerra”??? Principais diferenças entre Blu-ray e HD-DVD • Capacidade! • Alta taxa de transferência de dados para vídeo e áudio! • Amplo apoio dos grandes estúdios do cinema! • Maior suporte de Hardware! Blu-ray X HD-DVD • Blu-ray - Warner, Paramount, Fox, Disney, Sony, MGM e Lionsgate. • HD-DVD - Paramount e Universal. Blu-ray X HD-DVD Vencedor: Diferenças entre Blu-ray e HD-DVD DVD X HD–DVD X Blu-ray Discos - Blu-ray e HD - DVD Disco Blu-ray de camada dupla Sucessor do Blu-ray Holographic Versatile Disc. Capacidade: 3.9 Terabytes. Velocidade de leitura/escrita de até 1Gbps. Laser verde para leitura/escrita(532nm). Laser vermelho para endereçamento(650nm). Descanse em paz.

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