Windows Media: Encoding
March 12, 2001
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In this series of articles, I will examine simple and cost
effective ways for users to get acquainted with streaming media
for the first time and eventually to embed video in Web pages and
make it part of applications. Specifically I will be focusing on
Windows Media in these articles. Windows Media, in my opinion is
on the rise especially in the corporate markets. To learn about
Real Media please see my
previous set of articles.
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Having worked with streaming media since Quicktime 1.0, I've
always noticed the gulf that seems to persist between video
people and computer people. For those born and bred on analog
editing the step to non-linear editing on
Avid systems has
resulted in increased productivity. But for some reason the step
to streaming video seems to elude many of these normally creative
and talented people.
Consumer Market
Windows Media
has been rapidly gaining in popularity and recent
studies indicate that it has already taken the lead in the
important corporate sector. The industry shake out has shown
that consumers are not a currently viable business model for
streaming media. The bandwidth is still too narrow to supply
high quality streaming media to the consumer user. Not only is
the bandwidth narrow, but it is also unreliable and fluctuates
during the course of the video; causing the video to stop and
buffer. Consumers will not pay until the Quality of Service
(QoS) and the video clarity rivals that of VHS. To get to that
point requires major infrastructure upgrades to terrestrial
networks that will not be implemented for years.
Corporate Markets
Corporate markets are beginning to use of Windows Media to
provide such services as corporate communications, e-learning,
and video channels. Imagine the power of having the CEO speak to
everyone in a corporation at their desktop in real time. This
ability to deliver a unified message to a global user base is
unprecedented. In the past this type of service, usually
delivered over closed circuit TV, was very expensive and required
major studios to be run by the company. Wealthy Fortune 100
companies only used such services. With the advent of Windows
Media this price point has dropped to the level where Fortune
1000 companies can now take advantage of it. Also external
providers have also arisen that can deliver video as a service.
This frees the companies from having to maintain internal
resources to produce and distribute the video.
Akamai and
Yahoo
have entered this market and are the leading providers.
Unfortunately, these services suffer from the same poor quality
that effects consumer users. One solution has been to use
satellites to bypass the Internet and deliver Windows Media
directly to the corporate LAN. This allows video to be delivered
at high quality and also be distributed globally. While this is
generally more expensive than terrestrial streaming it provides
the only alternative that has decent QoS and global reach. It
also has the ability to multicast video so that many users can
watch the same stream without increasing bandwidth — more on this
later. The leader in satellite delivery of streaming media is
Loral Cyberstar providing
integrated video services and video portals for Fortune 500
customers on a global basis. IBeam
has also entered this space though they continue to spend
valuable resources on the consumer market where profit is non-
existent.
Now that we have given a summary and examined the two markets in
which Windows Media is used, let's define some terms before
proceeding.
Terms - Page 2
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