The New Storage Paradigm for Multichannel Video Transmission

Throughout the world broadcasters are planning upgrades to existing single-channel facilities or launching new sites. They're quickly capitalizing on new capabilities to deliver six to 10 digital programming services on satellite transponders that formerly carried only one analog program. In addition to digital encoding, multiplexing and modulation technologies that are central to delivering multiple programs in a digital bouquet, a multichannel high-capacity video server is usually required to economically exploit this newly found programming bandwidth. — Today numerous disk-based products support digital video storage and delivery. However, not all products may be appropriate solutions in a multichannel facility. What are the initial cost implications for increases in storage and I/O? Can the systems be scaled to support broadcasters' evolution into the multichannel opportunity? Also, some video server products require users to integrate external components from different vendors to create a complete solution. This approach can be time consuming, technically difficult and often results in poor system performance. — Multichannel capabilities present a new opportunity and a new paradigm for broadcasters. This discussion will focus on the requirements for capturing, storing and delivering high-quality MPEG-2 video streams. It will highlight new methods for networking in Local Area Networks LAN and Wide Area Networks (WAN) environments and how those methods relate to archive and other interface issues.

Published

1999-02

Content type

Original Research

DOI

10.5594/M00946

ISBN

978-1-61482-930-0