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transcoding
Last modified: Thursday, December 06, 2001 

The process of converting a media file or object from one format to another. Transcoding is often used to convert video formats (i.e., Beta to VHS, VHS to QuickTime, QuickTime to MPEG). But it is also used to fit HTML files and graphics files to the unique constraints of mobile devices and other Web-enabled products. These devices usually have smaller screen sizes, lower memory, and slower bandwidth rates. In this scenario, transcoding is performed by a transcoding proxy server or device, which receives the requested document or file and uses a specified annotation to adapt it to the client.

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For internet.com pages about transcoding . Also check out the following links!

Related Links

Annotation-Based Web Content Transcoding
In-depth article introduces the annotation framework and explains the annotation-based transcoding system.

Internet Transcoding for Universal Access
Provides links to demos, white papers, standards, and publications regarding IBM's research and work in Internet transcoding.

Video Transcoding for Universal Multimedia Access
Article presents the basic video transcoding model and different ways of improving this model at low bit rates.

related categories

Data Formats

HTML

Mobile Computing

Video Formats

related terms

MPEG

proxy server

QuickTime


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