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                      DivX(R) Codec
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                       Version 6.0
               ReadMe updated on 2005-02-09

   (c) Copyright DivXNetworks, Inc. All Rights Reserved.
   DivX and DivX Pro are trademarks of DivXNetworks, Inc.



|  Table of Contents
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   1. Introduction
   2. New in this Version
   3. Version History
   4. Known Issues
   5. Files in this Bundle
   6. Technical Support



| 1. Introduction
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   DARC is proud to present the DivX 6 codec; the result of over 
   one years' development in improving quality, compression, 
   performance and design.

   The DivX 6 codec achieves between 20 and 40 percent better 
   compression than its DivX 5 counterpart and creates the 
   highest quality video for our new DivX Media Format. The DivX
   Media Format supports advanced features such as interactive 
   video menus, chapter points, multiple audio tracks, XSUB(tm)
   subtitles, XTAG(tm) video information and more.

   For further information regarding this release please visit:

     http://www.divx.com

   Have fun and enjoy this release,

     - The DivX Team



| 2. New in this Version
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   * Support for the DivX Media Format

     The DivX 6 codec includes full support for the DivX Media
     Format and enables access of DivX Media Format features for 
     .divx files in all popular media players. Look for the DivX 
     icon near the clock on your taskbar to select special 
     features whenever you play a .divx file.

     Through the DivX Media Format you can now experience
     interactive video menus, chapter points, multiple audio 
     tracks, XSUB(tm) subtitles, XTAG(tm) video information and 
     more.

   * Includes new DivX 6 decoder

     The DivX 6 decoder features improved playback performance 
     and video quality. Experience stunning DivX High Defintion 
     video like you've never seen it before.

   * The DivX encoder GUI has been redesigned

     The encoder configuration interface has been redesigned for 
     ease of use. Related items are better grouped, there are 
     fewer wizard-style screens to navigate and the dialog window
     itself is much smaller than before.

   * Performance modes have been adjusted

     Codec performance modes have been adjusted according to a 
     rate-distortion model and with respect to functional use 
     cases. This better balances video quality against the rate 
     of encoding.

   * Two new performance modes have been added

     Extreme quality mode has been introduced to improve video 
     quality at the expense of encoding time. Insane quality mode
     has been created to enable all bells and whistles regardless
     of encoding time.

   * Rate-distortion optimized H.263 quantizations

     Block search duration has been reduced for motion estimation
     leading to higher encoding rates.

   * New aspect-based resize

     It is now possible to resize given the source aspect and 
     output width rather than absolute video dimensions.

   * Support for 4MV

     4MV is now supported, creating clear improvements in picture
     sharpness and reducing ringing artifacts.

   * Improved deblocking

     A new proprietary deblocking algorithm improves visual 
     quality and PSNR while reducing decoder complexity.

   * Multiple consecutive bidirectional coding

     Multiple B-frames are now permitted in DivX High Definition
     (HD) profile, enabling greater compression for HD video.

   * VBV change for Portable profile

     The VBV constraints for Portable profile have been adjusted 
     to take full advantage of real-world DivX Certified portable 
     devices. Video created using Portable profile with the 
     DivX 5 codec is fully compatible with the new VBV model.



| 3. Version History
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   To view the full version history for the DivX Codec, please 
   visit the following URL:

     http://go.divx.com/divx/versions/en



| 4. Known Issues
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   To view known issues for this release, please visit the 
   following URL:

     http://go.divx.com/divx/knownissues/en



5. Files in this Bundle
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   The following executable files will be installed as part of
   this bundle:

   DivX Decoder Configuration Utility
     %PROGRAMFILES%\DivX\DivX Pro\config.exe
  
   DivX VFW Codec
     %SYSTEM%\divX.dll

   DivX Video Decoder
     %SYSTEM%\divxdec.ax

   DivX Media Format Decoder
     %SYSTEM%\divxmedia.ax

   DivX Settings Manager
     %SYSTEM%\divxsm.dll

   Update Checking Components
     %SYSTEM%\dpu10.dll
     %SYSTEM%\dpuGUI10.dll
     %SYSTEM%\dpus10.dll
     %SYSTEM%\dpv10.dll

   User Interface Library
     %SYSTEM%\qt-dx331.dll

   Unicode Support
     %SYSTEM%\unicows.dll



| 6. Technical Support
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   DivXNetworks provides technical support for this product.

   You can search the DivX knowledge base for common issues and
   frequently asked questions:

     http://go.divx.com/divx/support/en

   You can also search our knowledge base by visiting:

     http://go.divx.com/divx/search/en