Results tagged “MPEG-2” from Final Cut Studio, Avid, Adobe, and Video Streaming

HarmonicInc.jpgHarmonic Inc. announced that ASTRA Platform Services GmbH (APS), a subsidiary of the Luxembourg-based satellite service operator SES ASTRA, has selected Harmonic's advanced video processing solutions to support APS' digital free-to-air television service for Kabeldienstleistungs GmbH (KDL), a service provider to independent and private cable operators in Germany. Independent cable operators today serve several million German subscribers, and with APS infrastructure upgrade, KDL now can provide up to 22 additional digital free-to-air channels being delivered from APS and SES ASTRA to the cable subscribers via the cable headends. Harmonic's IP-based MPEG-2 standard definition (SD) DiviCom Electra 5000 encoders, selected by APS for this project, achieve the best possible video quality at ultra low bit-rates.

"Harmonic continues to support APS' technology and business objectives, most recently to establish KDL's new free-to-air TOPP (transponder optimized program packages) service provided to independent and private cable operators by KDL," said Jorg Eich, VP DVB/CA, APS. "Harmonic's highly advanced digital video solutions enable us to offer an optimized service and provide outstanding flexibility, a critical requirement to launch new value-added services as quickly as possible."

Advanced GOP-ology

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supercharging-compressor.pngYou can find more compression settings articles in our Supercharging Compressor series index.

Note: There's something about me and GOP articles ... just as I did on the first part of this article, I seem to have accidentally published a blank draft a few hours ago.  This is the finished version.  My apologies.

Compressor, like most reasonably advanced MPEG2 compression tools, offers you some control over the size and structure of your GOPs.  You'll recall from the first part of this article that 15-frame (1/2-second) GOPs are the norm for MPEG-2 video, and this is appropriate for a wide range of video types.  Similarly, Compressor defaults to using a lot of "B"-frames -- those are the frames that take the least information to represent, but that depend most heavily on neighboring frames of video.

Read on for situations when you might want to change this around ...

What's In a GOP?

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supercharging-compressor.pngYou can find more compression settings articles in our Supercharging Compressor series index.

Update:  Sorry, I seem to have erroneously published an empty draft of this article.  My apologies.  Here's the text ...

As you may be aware, the DVD standard uses a form of video compression called MPEG-2.  There are a few aspects of this codec that can impact the quality of your finished video -- and many of them stem from the fact that the codec works not in terms of frames, like the rest of your video process, but in terms of "Groups of Pictures," or GOPs.
Mainconcept.jpg MainConcept, a wholly-owned subsidiary of DivX, Inc. and one of the world's leading providers of video and audio codecs, as well as software development kits to the broadcast, film and consumer electronic markets, announced a new version of Codec SDK 7.6 that adds support for DivX video technology.

As a concise package for Windows, Mac/Intel and Linux, the Cross Platform SDK 7.6 provides a broad range of codecs including DivX, H.264, MPEG-2, DVCPRO HD, JPEG 2000, AAC and HE- AAC. With the new release, professional software developers in the broadcast industry are now able to seamlessly integrate DivX into their own solutions, creating video files compatible with over 100 million DivX Certified devices shipped to the market from major manufacturers, including DVD players, digital televisions, mobile devices and more.

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