This paper summarizes that the value of integrated workgroup NLE systems has not yet been realized for high definition (HD) content because of limitations of existing storage solutions. This is a primary bottleneck to expanding HD content available for broadcast. 1080i video (one standard for broadcast video) requires a minimum of 165 MB/Sec to each workstation. The requirements for 2K film-quality digital video approach 400 MB/Sec. As uncompressed 1080i HD video has eight or more times the bandwidth requirement of standard definition video, most existing shared SAN systems are unable to support the throughput requirements. Hence, most HD editing systems used today have single-station direct attached storage, or editing is done in compressed format, each of which has substantial cost, time, and or quality limitations.
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