SHD digital cinema distribution over a long distance network of Internet2

Takahiro Yamaguchi; Daisuke Shirai; Tatsuya Fujii; Mitsuru Nomura; Tetsuro Fujii; Sadayasu Ono

doi:10.1117/12.502984

23 June 2003 SHD digital cinema distribution over a long distance network of Internet2

Takahiro Yamaguchi, Daisuke Shirai, Tatsuya Fujii, Mitsuru Nomura, Tetsuro Fujii, Sadayasu Ono

Proceedings Volume 5150, Visual Communications and Image Processing 2003; (2003) https://doi.org/10.1117/12.502984
Event: Visual Communications and Image Processing 2003, 2003, Lugano, Switzerland

Abstract

We have developed a prototype SHD (Super High Definition) digital cinema distribution system that can store, transmit and display eight-million-pixel motion pictures that have the image quality of a 35-mm film movie. The system contains a video server, a real-time decoder, and a D-ILA projector. Using a gigabit Ethernet link and TCP/IP, the server transmits JPEG2000 compressed motion picture data streams to the decoder at transmission speeds as high as 300 Mbps. The received data streams are decompressed by the decoder, and then projected onto a screen via the projector. With this system, digital cinema contents can be distributed over a wide-area optical gigabit IP network. However, when digital cinema contents are delivered over long distances by using a gigabit IP network and TCP, the round-trip time increases and network throughput either stops rising or diminishes. In a long-distance SHD digital cinema transmission experiment performed on the Internet2 network in October 2002, we adopted enlargement of the TCP window, multiple TCP connections, and shaping function to control the data transmission quantity. As a result, we succeeded in transmitting the SHD digital cinema content data at about 300 Mbps between Chicago and Los Angeles, a distance of more than 3000 km.

Citation Download Citation

Takahiro Yamaguchi, Daisuke Shirai, Tatsuya Fujii, Mitsuru Nomura, Tetsuro Fujii, and Sadayasu Ono "SHD digital cinema distribution over a long distance network of Internet2", Proc. SPIE 5150, Visual Communications and Image Processing 2003, (23 June 2003); https://doi.org/10.1117/12.502984

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