Delivering Applied Video in .NET

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Several other metadata standards are also gaining acceptance, such as:
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The efforts of the SMPTE Metadata Working Group The Advanced Authoring Format The interesting things being accomplished with the highly flexible MPEG-4 format
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Delivering Applied Video
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The advent of digital video data, however and, in particular, of Webfriendly streaming standards meant that video immediately became as easily browsed, searched, downloaded, and shared as any text document or Web page, right Wrong A major stumbling block to date has been the lack of an application framework robust enough to tackle the extraordinarily complex chore of video signal analysis Chuck Luce, senior analyst, Delphi Group
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An important sign that digital video has matured to the point where one can rightfully call it applied video is the emergence of complete-solution offerings In other words: delivery of video that supports the intelligent applications previously discussed, in a platform-independent manner Today, frameworks such as the Virage video application platform (Figure 124) have matured to a level on par with traditional Web-authoring and content-management solutions for text and graphics media Turnkey video-publishing platforms that support all the advanced capabilities and delivery platforms of interest can be licensed or outsourced as hosted applications Virage has established relationships and tight integration with content distribution networks (CDNs) Therefore, it can provide not only basic video indexing and application hosting features but also value-added editorial assistance to fully exploit e-commerce and ad-targeting opportunities Some vendors even provide layered application frameworks, allowing the addition of syndication engines, personalization support, and community-building features
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Videotape
MediaAnalysis VideoLogger VIDEO INDEX VideoPublishing
PC-Based Internet
Satellite Feed
EncoderControl
VIRAGE VIDEO APPLICATION SERVER (Content Management) Virage Video Database
Wireless Devices
MPEG
WIN MEDIA
REAL VIDEO
Digital Video Files
Content Distribution Network (CDN)
Interactive Television
ENCODED VIDEO
Figure 124 Virage video application platform
Courtesy of Virage, Inc 1997-2001 All rights reserved Used with permission
Video metadata and streaming media, effectively managed by a video application server, are key ingredients to achieving device independence in the delivery chain For example:
Most wireless devices such as those from Palm cannot today receive and display streaming video at any bit rate However, they can display thumbnail images and transcript text, and provide functions to redirect the applied video back to your desktop or to a friend Alternately, at the broadcast-quality end of the spectrum, a set-top box can deliver high-quality video that is time-synchronized with auxiliary Web-based content
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Exploring Today s Video Production Environment
In today s marketplace, we are witnessing the convergence of traditional broadcasting with the digital revolution Many changes and technological advances are taking place The following sections offer a snapshot of what I mean
The Current State of Broadcasting
We were getting buried in video and realized that it was critical for CNN to invest in a more modern newsroom in order to manage content more efficiently For us, that meant a transition from analog to digital and some type of asset management system Kevin Ivey, vice president of research and development, CNN Television broadcasters are actively seeking to improve the bottom line, while processing greater volumes of video In today s tape-based environment, the management and distribution of video are inefficient and expensive With the current economic conditions and the intense competition to improve content processing, quality, and delivery, broadcasters are seeking mature solutions to address these demanding requirements The transition to digital video is the key to improving productivity and creating operating efficiencies A first step for many is updating and preparing current infrastructure to embrace the transition Solutions must integrate into existing and planned workflows, promote open standards, have a proven track record, and provide performance and scalability to meet the rigorous demands of a broadcast environment
Going Digital
Going digital improves productivity by allowing staff to view, review, and edit video on the corporate intranet This eliminates or greatly reduces the need to find and handle videotapes Digital video allows media companies to produce new content more quickly and to reuse existing content more effectively Therefore, the most cost-effective and efficient solutions are able to process incoming content only once, and then apply it to multiple uses For example, a digital environment