Sunday, July 13, 2008

It's official Summer Olympics Will Be Streaming to a PC Near You

It's official Summer Olympics Will Be Streaming to a PC Near You

By Melissa J. Perenson, PC World

If you're a fan of rhythmic gymnastics or badminton (or maybe you're just bored at work), this year's Summer Olympics will be a bonanza for you, as NBC plans to stream video of thousands of hours of the competition.

Summer Olympics will be streaming to a PC near you (© PC World)

Watch live and on-demand streaming video from the 2008 Summer Olympics exclusively at NBCOlympics.com on MSN

The 2008 Summer Olympics, which begin on Aug. 8, will captivate audiences worldwide. No other sporting event captures the spirit of sportsmanship and athletics quite like this quadrennial gathering. But the Olympics can be a source of frustration for remote watchers. A complex schedule that mimics a 14-ring circus often makes following your favorite sports difficult. That is, until now.



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NBC Universal hopes to transform your Olympics viewing experience via an ambitious Web strategy that includes more than 2,200 hours of live streaming video (with the option of viewing up to four streams at once) and interactive data to help you move smoothly between text, such as athletes' biographies, and vid­eo of their performance.

Seeds planted in 2006

Besides streaming live video at its official Beijing Olympics Web site, NBC plans to post 3,500 hours of recorded video online at the conclusion of each event, for the duration of the Olympics. Previously, NBC's only streaming-video presentation during an Olympics was a single hockey game, which it streamed live during the 2006 Winter Games in Torino, Italy.

"We're delivering more video content for this Olympics than in the last three Olympics combined," says Perkins Miller, senior vice president of NBC Sports and Olympics. The goal, he says, is to deliver "the most complete Olympics possible," in part by paying closer attention to sports that previous broadcast coverage typically ignored.
All of the digital content will be available at no cost, but it will be accessible only to viewers in the United States. By the terms of NBC's deal with the International Olympics Committee, its Web streaming rights mirror its broadcast rights, which are limited to the United States.

The Silverlight-Microsoft connection

NBC turned to Microsoft's Silverlight technology to get the necessary link between data available elsewhere on its NBCOlympics.com Web site and the network's Olympics video. Silverlight is Microsoft's programming environment for producing slick, interactive content that can be played on any Web browser; the platform ties into Microsoft's .Net framework and its myriad services, including Microsoft Live Search. As with Flash, you must download a browser plug-in in order to support the content. Silverlight 2.0 is also supposed to have smoother video playback performance as compared with Silverlight 1.0.

NBC's player is based on the latest beta version of Silverlight, which the Democratic National Convention will also use to distribute video in August. Silverlight 2.0 is due out in the fall.
About 15 different companies are involved in the NBC Olympics streaming experience. The player itself was built by Schematic, a Web developer that won an Emmy award last year for its ABC streaming video player.

Viewing online: What to expect

NBC's media player supports three interactive modes: Enhanced, Live Control Room and Pop­up. Enhanced mode is playable in wide-aspect ratio, at full screen (1060 by 600 pixels) or at small screen (848 by 480 pixels). The player will use the highest bit rate that your PC allows -- up to 650 kbps for live events and up to 1.5 mbps for on-demand (that is, recorded) events, as deter­mined by a combination of your bandwidth, your PC's components, and your choice of live or on-demand video. (See "Better Streaming Video" for tips on how to optimize your hardware and your broadband connection.) Enhanced mode also gives you access to extra features like expert commentary and live blogging that will appear in an accompanying text window -- a handy option if you are catching the competition while at work and can't listen to the audio action.

"Our research [shows] that everybody is diving for the mute button when the video comes up, so we tried to integrate that into our design," says NBC's Miller.

Multiple simultaneous live video streams

Live Control Room mode may be the most appealing option for true Olympics junkies. It lets you view up to four live streams of video at once, via one primary window and three smaller picture-in-picture windows. The primary video in this mode is presented at 320-by-176-pixel resolution, with a 350-kbps video stream; picture-in-picture views are presented at 128-by-96-pixel resolution, with a 50-kbps video stream.

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Presenting multiple simultaneous video streams in the Live Control Room is a twofold technical challenge, says Matthew Rechs, chief technology officer at Schematic, the company that built the NBC player and that has also worked on presenting interactive content on HD DVD movie discs. "When we have multiple video images on the same screen, we have to add up the bit rates to see how much bandwidth it will take to display all of that video simultaneously, without impacting the system's performance," says Rechs. "You want to intelligently manage the total bandwidth available and distribute that across the various images. There are different modes for video playback, and each mode has different bit rates available to it."
The third mode, Popup, has a smaller interface that you can keep next to open work documents while you are at the office. The basic Popup player runs at 592-by-336-pixel resolution, with a 650-kbps stream for live events and a 1.1-mbps stream for on-demand events.
Silverlight's ability to handle text data and video helps the NBC player break with the standard design of media players that display video in your browser window. For example, with YouTube, you have a media player in one quadrant of the browser and supplemental info in other quadrants; the sections are not necessarily integrated or tied together. "Silverlight will make the player look more like a TV experience, and less like a data experience," Miller promises.
With the NBC Olympics player, the user interface leaves the Web browser window and enters the player itself, as navigation icons and extra content appear within the player window. You can obtain additional info -- for example, athlete biographies tied to the competition you're watching -- from within the player.
In all, eight video streams will be available for live video and six for on-demand video. And according to Rechs, the possible player and video stream permutations are so numerous that video can't be encoded natively for each scenario; instead, a video stream may be delivered at a resolution different from the one that the playback window is designed to use. "In these cases, we are shrinking or stretching the video slightly at playback time, but we have done extensive testing to ensure the integrity of the video image," says Rechs. The Silverlight player will automatically pick the right stream to present, given your bandwidth and your viewing choice.

Where the content will come from

According to NBC, the video available for playback will hail from a mix of sources, including feeds from the International Olympic Committee's international pool of broadcasts, NBC's cameras and NBC's studio commentary operations in Stamford, Conn., and at its New York City facilities.

Though the player application was still under development two months before the start of the Games, NBC officials described some of the more-impressive plans for the project. After a competition concludes, for example, you'll be able to click on the name of an athlete listed in the competition results and then view the athlete's performance at your leisure.
"We're assigning metadata with all of the video, so as the athletes perform, we're syncing up the metadata of their results with the time code of the video," says Miller. For example, while watching a recorded gymnastics video, you'll be able to navigate to the winning moment even while scrolling through athletes' biographies or through competition results. The same approach will be used to assemble the on-demand reels of highlights.
Naturally, NBC's hopes that these digital highlight reels -- along with expanded profiles of the athletes -- will attract new viewers to these sports, as well as encouraging fans to tune in to more coverage online or on TV.
Given the immense scale of this project, NBC has taken various precautions with regard to server infrastructure to ensure that it's prepared to handle the anticipated load of online viewers. "We've spent a great deal of time with Microsoft and their networking teams, since they're hosting our video," says Miller.
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Mobile streaming video planned

Access to NBC's multimedia streaming won't be limited to desktop PCs. NBC will have a dedicated live-streaming mobile channel, NBC-to-Go, that will carry feeds from NBC's television networks. However, the channel will be available only on AT&T cellular phones. Don't have an AT&T phone? Then you won't be able to watch live feeds -- but you can access video highlights of various events via a WAP (Wireless Access Protocol) version of NBCOlympics.com on any WAP-enabled cellular phone.

Also in the works as of press time: NBC Olympics On-the-Go, which is designed to enable you to take prerecorded video content with you for viewing on your laptop when you travel.

Beefy broadband needed for Olympics viewing

Want to enjoy the Olympics online? You'll need a broadband pipe that's big enough to meet the demands of NBC's Silverlight video player. According to Schematic, the Popup mode (a small pop-up screen that coexists with your spreadsheets and Word docs) will require a 512-kbps broadband connection plus either a PC with a 2.4-GHz Pentium 4 CPU and 512MB of RAM or an Intel-based Mac PC.

The player's Enhanced mode and Live Control Room mode -- for viewing content and multiple video feeds, respectively -- require a 768-kbps broadband connection, a spec that lies beyond the reach of many lower tiers of DSL and even some cable broadband services. To use these modes, you must also have a PC equipped with a 3.2-GHz Pentium 4 processor and 1GB of memory, or an Intel-based Mac.


Tuesday, June 24, 2008

Top 50 Minds Behing the Technology of Today part 2

Top 50 Minds Behing the Technology of Today part 2

11. Gordon Moore
Gordon Moore (© PC World)
You can't go wrong with a guy who's got his own scientific law, can you? Moore's Law, posited in 1965, three years before Gordon Moore founded a little company called Intel, predicted that the number of components on a computer chip would double every year (later, he amended it to every two years). As Intel notes, Moore's Law remains the "guiding principle for the semiconductor industry"; but, in truth, every field of high-tech -- from hard drives to TVs -- validates to some degree the almighty Law of Moore. Moore remains involved with Intel, which -- at 40 years old -- may be No. 1 on the list of companies that Silicon Valley could not exist without.
12. Bill Atkinson
Bill Atkinson (© PC World)
Mouse up to your PC's File menu, open a new window, and thank Bill Atkinson for being able to do that. His early ideas regarding user interface design elements like the menu bar became graphical user interface standbys not just on Apple computers (where he worked), but on every major operating system that has followed. As a programmer, Atkinson designed MacPaint, QuickDraw and HyperCard, a sort of proto-Web system that clearly inspired the creation of the World Wide Web. After starting his own company, General Magic, Atkinson mostly retired from tech to work as a nature photographer.
13. Steve Case
Steve Case (© PC World)
Don't laugh. The brainchild of Steve Case, America Online, was a big deal back in the early 1990s. The timing was perfect for a service that offered online training wheels for millions of intrigued but anxious people looking for an introduction to the World Wide Web. AOL pioneered more than just the chat rooms for which it became infamous. Case launched "Neverwinter Nights" -- one of the first MMOs (massively multiplayer online games) -- was an early champion of user avatars, and (most notoriously) started the blending of online and big media by selling out to Time Warner in 2001. Not such great timing there, alas.

Martin Cooper (© PC World)
Quick, check your pockets. Whether you're toting an iPhone, a Razr or an enV, you owe a debt to Martin Cooper and his 1973 patent responsible for the mobile phone as we know it. His invention, created during his tenure at Motorola, weighed just shy of 2 pounds, and 10 years would pass before mobile phones broke the 1-pound barrier. Cooper is still active in the telephone business. His company ArrayComm develops antenna technology so today's 2-ounce phones can reach their network.
15. Nolan Bushnell
Nolan Bushnell (© PC World)
Atari is synonymous with video gaming -- so much so that the name remains in use (though now far removed from founder Nolan Bushnell, the undisputed father of video gaming) 36 years after it originated. Bushnell's inspiration -- a world where everyone could play games in the comfort of their own home -- is a rare instance where the vision panned out almost exactly as envisioned. Though no one is thrilling over Atari's consoles any more, Atari and Bushnell paved the way for every video game platform that has followed.
16. Vint Cerf
Vint Cerf (© PC World)
Turing Award. National Medal of Technology. Presidential Medal of Freedom. Vint Cerf has one of the most impressive résumés in technology. Cerf's work as an Internet pioneer has largely taken place in universities and government agencies, which in the early 1970s led directly to the creation of ARPANet, the predecessor to today's Internet. Cerf now works for -- who else? -- Google.
17. Don Estridge
Don Estridge (© PC World)
IBM veteran Don Estridge is widely known as "the father of the PC," at least in its Big Blue incarnation. Estridge developed a number of computer systems, even tinkering with NASA radar equipment. But he is best known for his work as a manager -- leading a "skunk works" staff of just 14 people that ultimately produced the IBM PC, an "open" platform that could run third-party software and accept third-party upgrades, that would become the standard for business. Tragically, Estridge died in a plane crash in 1985 and never saw his creation achieve ubiquity.
18. Michael Dell
Michael Dell (© PC World)
The origin story of Dell Computer Corp. is so well-known it has become part of the canon of the tech business. Michael Dell started his company, PC's Limited, at age 19 out of his dorm room at the University of Texas. Eventually he dropped out of school to found Dell Computer, which grew at breakneck pace throughout the 1990s. Dell's marketing philosophy turned the industry on its ear: Rather than offer predetermined configurations, Dell's machines were totally customizable and built to order. Eventually almost every competing PC manufacturer followed suit -- or went out of business.
19. Alan Kay
Alan Kay (© PC World)
A jack-of-all-tech-trades, Alan Kay lays claim to at least two watershed innovations, starting with HP's original Dynabook, one of the first usable mobile laptop computers. Kay's ideal was to design a laptop that weighed no more than 2 pounds. We still aren't there yet, but Kay's contributions to software -- which include shepherding the idea of object-oriented programming and the notion of multiple, overlapping windows in a GUI -- rank as essential milestones in computing.
20. Marc Andreessen
Marc Andreessen (© PC World)
The Mosaic Web browser, devised by Marc Andreessen, may seem quaint now, but bits and pieces of Mosaic code remain standard software components of most of today's commercial browsers. It's a safe bet that many of Andreessen's other creations will leave similar legacies: Netscape, the company he founded, set off the tech stock craze of the 1990s, and his Ning Web site continues to grow in popularity as an outlet where anyone can build a topic-oriented social network. He even finds time to blog regularly about all this stuff.
21. Linus Torvalds
Linus Torvalds
Given the exorbitant cost of most Apple computers, Linus Torvalds is the godfather of what may be the last, best hope for an affordable alternative to Windows. The Linux operating system has been in continuous development since Torvalds conceived it in 1991, and has experienced steady gains in popular acceptance every year. And at long last, Linux is making the jump from server rooms to large numbers of desktop PCs, most visibly in low-cost laptops like the Asus Eee PC. The OS now has a market share in excess of 2 percent on the desktop.
22. Chuck Thacker
Chuck Thacker (© PC World)
Chuck Thacker has had his hands in a surprisingly wide array of tech projects, from the development of Ethernet to the first laser printers. His most enduring legacy, however, involves a product that never reached market: the fabled Xerox Alto. The Alto, which Thacker designed, was the first computer with a GUI (and a mouse); as the story goes, it directly inspired Apple to build the Macintosh after Steve Jobs paid a friendly visit to Xerox. Thacker now works for Microsoft.
23. Bob Metcalfe
Bob Metcalfe (© PC World)
Moore's Law may be better known, but the law formulated by Bob Metcalfe has wider general application. Posited around 1980, Metcalfe's Law conjectured that the value of a telecommunications network is equal to the square of the number of nodes on the network. In other words, even a small increase in the size of a network makes it worth far more because of the enlarged number of new connections that each user can make. Metcalfe's invention of Ethernet and his founding of 3Com are essential tech milestones as well, but his eponymous law -- now in use to quantify value in the Facebook/MySpace milieu -- will be around long after wired networking has passed on.

24. Vic Hayes
Vic Hayes (© PC World)
Wi-Fi has long been one of technology's messiest standards -- and without Vic Hayes, it might never have come together at all. In the Hayes-less universe we might be left to wallow in a morass similar to the Blu-ray vs. HD-DVD swamp with multiple incompatible wireless standards. In 1990, Hayes formed the Wireless LAN working group and rallied some 130 companies to work together to develop open standards. The result: 802.11, and the cutting of a very firmly attached cord. Hayes continues to be actively involved in Wi-Fi development today.
25. Dan Bricklin and Bob Frankston
Dan Bricklin (left) and Bob Frankston (© PC World)
Accounting departments around the world would be lost without the work of Dan Bricklin (left) and Bob Frankston, who worked together in 1979 to develop VisiCalc, the world's first spreadsheet and arguably the first "killer app" written for a personal computer. The 27KB program can run on PCs today, and its simplicity is a big reason why early PCs sold in droves, especially to business customers. But never mind the bean-counters: You probably owe a lot to VisiCalc yourself. After all, if it weren't for Bricklin and Frankston, you might not be getting your paycheck regularly.
26. Grace Murray Hopper
Grace Murray Hopper (© PC World)
That's Admiral Hopper, bud. Naval officer "Amazing" Grace Hopper was a computing pioneer who cut her teeth in the calculator era. Later she worked on the team that developed the UNIVAC, the world's first commercial computer, and wrote the compiler software for it (the first such software ever developed). Hopper was instrumental again in the development of the COBOL and FORTRAN programming languages, and she remained a major figure on the technology scene until her death in 1992. Even our language owes a debt to Hopper: She popularized (and possibly coined) the term "bug" after a moth was found in a computer relay during her years at Harvard.
27. Jeff Hawkins
Jeff Hawkins (© PC World)
Portable computing was shaped in large part by Jeff Hawkins, who invented the acclaimed PalmPilot, and then followed that up by spearheading development of the Treo six years later. Both Palm and Treo became household names, though Palm as a company has suffered numerous setbacks in recent years. Hawkins is now working on a start-up called Numenta with his longtime partner Donna Dubinsky, focusing on the subjects of machine learning and neuroscience, which Hawkins has long had a deep interest in.
28. Fujio Masuoka
Fujio Masuoka (© PC World)
If anything is positioned to challenge the dominance of Al Shugart's hard drive (see #33 below), it's Flash memory -- an invention of Fujio Masuoka. Masuoka developed solid-state storage during his tenure at Toshiba (Masuoka says that the company initially tried to demote him after he came up with the technology). The technology is now seen as a possible way around the fragility of hard drives, as capacity ramps up and prices fall. For smaller gadgets, Flash has become essential...or would you prefer to be saving your digital pictures on floppy disks still?
29. Jonathan Ive
Jonathan Ive (© PC World)
Aside from its showman/CEO Steve Jobs, Apple tends to keep its employees out of the limelight, but Apple VP and design guru Jonathan Ive has broken that mold. That's appropriate, since he broke another mold too, killing off the beige boxes and bricklike pocket gizmos that had become standard-issue in the tech industry. Ive's designs for the original iMac and for the iPod got people thinking about tech products as fashion accessories and decorative items instead of as impersonal and purely utilitarian objects.
30. Jeff Bezos
Jeff Bezos (© PC World)
Long scorned by Wall Street, Amazon.com -- the creation of Jeff Bezos -- is today the one Internet service that many people can't live without. But Bezos hasn't stopped at hawking "Harry Potter" on the Web. His company has also become one of the leading providers of Web services, online storage and by-the-hour CPU rentals, as Bezos pushes Amazon toward becoming a platform that anyone can use to sell anything that Amazon itself doesn't.