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Dolby E Now Supports 24P

Dolby ships tri-level sync interface By Dave Nagel
24P has arrived for Dolby E. Dolby Laboratories yesterday began shipping its first 24P Dolby E device, the DP579 Dolby E Tri-Level Sunc Interface. It's used in conjunction with the DP571 and DP572 to generate 23.98 or 24 FPS Dolby E streams.

has begun shipping the new DP579 Dolby E Tri-Level Sync Interface unit today. The DP579 is used in conjunction with the DP571 and DP572 Dolby E encoder and decoder to generate 23.98 or 24 fps Dolby E streams.


The DP579 is the first unit to provide 24P Dolby E coding technology, including metadata. The DP579 Dolby E Tri-Level Sync Interface converts tri-level video sync into Dolby Black (a video reference that is used by the Dolby E codecs).

According to Dolby, Dolby E has been developed specifically for distribution, rather than emission, for applications such as sending a program to a local station for commercial insertion, routing it within the same studio for voice-over editing or sending it via satellite to another broadcast facility. Dolby E programs can withstand 10 or more tandem encode/decode cycles without audible degradation.

The DP579 Dolby E Tri-Level Sync Interface carries a list price of $5,000. For more information, visit http://www.dolby.com/tvaudio.

Dave Nagel is the producer of Creative Mac and Digital Media Designer; host of several World Wide User Groups, including Synthetik Studio Artist, Adobe Photoshop, Adobe InDesign, Adobe LiveMotion, Creative Mac and Digital Media Designer; and executive producer of the Digital Media Net family of publications. You can reach him at dnagel@digitalmedianet.com.

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