A STUDY OF SHD DIGITAL CINEMA DISTRIBUTION PLATFORM (Networked Multimedia and Security)(International Workshop On Advanced Image Technology (IWAIT2004))

概要

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We have previously developed a prototype SHD (Super High Definition) digital cinema distribution system that contains a PC video server, a JPEG2000 real-time decoder, and an SHD D-ILA projector. By using an enlarged TCP window, multiple TCP streams, and a shaping control function, we succeeded in achieving real-time streaming of SHD movie data at 300Mbps over a fast long-distance (3000km) network. However, since UDP is more suitable than TCP for fast long-distance streaming, we have recently developed an SHD digital cinema UDP relay system, in which UDP is used for transmission over a fast long-distance network. We also improved the decoder performance to show movies with image quality of 450Mbps or higher. By using four server-side-proxy/ decoder-side-proxy pairs, 450 Mbps movie data streams could be transmitted.
社団法人電子情報通信学会の論文
2004-01-05