New high-definition DVDs to use old video technology?

Blu-ray, HD DVD boast better pictures, but studios could leave out an advanced element of the formats, spelling disappointment for Microsoft, Apple.

A correction was made to this story. Read below for details.
As Hollywood readies its new and controversial high-definition DVDs, at least one major studio is leaving some of the most advanced parts of the new disc formats on the table in favor of technology that's more than a decade old.

That could mean disappointment for some of the tech industry's biggest names, particularly if other studios follow suit. Companies such as Microsoft and Apple Computer have been betting that their work on advanced video software formats, called codecs, will help them sell their own products.

Alphabet soup
The lexicon of video technology often sounds like a foreign language. Here are a few key terms.

Codec A technology for squeezing audio or video into smaller packages for easier storage or transmission. The name is derived from a blend of either "coder-decoder" or "compressor-decompressor."

Moving Picture Experts Group (MPEG) An international industry organization that ratifies standards for audio and video technologies.

MPEG-2 A set of multimedia technologies finalized by the MPEG group in 1994. Typically used as shorthand for the video codec, finalized in 1994, that is used today on DVDs, cable networks and in many other places.

MPEG-4 AVC A later video standard finalized by the MPEG group. Also known as H.264 or Advanced Video Coding.

VC-1 The version of Microsoft's Windows Media 9 video codec submitted to industry standards bodies for use on DVDs and elsewhere. Was temporarily known as VC-9.

It's a little-known but equally intriguing subchapter in the yearlong fight between Blu-ray and HD DVD, two incompatible hardware technologies for high-definition DVDs, backed, respectively, by consumer-electronics manufacturers Sony and Toshiba.

Video codecs (a contraction of "coder-decoders") are important because they determine what quality of video can be squeezed into a given amount of digital storage space, or can be sent over a DSL or cable television line. The codec is an essential part of a DVD.

Microsoft surprised many two years ago when it submitted its Windows video technology, called VC-1, to technical standards bodies in hopes of seeing it appear on the new DVDs. Other technology giants hold patents in a rival advanced format called MPEG-4 AVC.

Last week, studio giant Sony Pictures quietly voted for "none of the above," and took a swipe at the new codec formats. The new advanced codecs aren't immediately necessary for discs released in Sony's high-capacity Blu-ray format, Sony Pictures executives said in an interview with CNET News.com, and the studio would instead use the 11-year-old MPEG-2 video codec used on today's DVDs.

"Advanced (formats) don't necessarily improve picture quality," said Don Eklund, Sony Pictures' senior vice president of advanced technology. "Our goal is to present the best picture quality for Blu-ray. Right now, and for the foreseeable future, that's with MPEG-2."

None of this alphabet soup of acronyms is likely to mean much to the average consumer. Once the discs come out, it will be a matter of matching a Blu-ray disc with a Blu-ray player, or an HD DVD disc with an HD DVD player. The discs should play as simply as they do today, no matter which underlying video format is being used.

But the studios' decisions could mean a great deal to companies that have invested heavily in creating or supporting the new video technologies. Microsoft has been betting that the adoption of its advanced video format by Hollywood studios, cable networks and satellite TV companies will help Windows-based devices capture a bigger share of the home entertainment market.

 

Correction: This story incorrectly stated the storage capacity of some new DVDs. The smallest standard Blu-ray disc will hold 25GB of data, while Warner Bros. is planning a 9GB disc.
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