Windows Media file playback quality is lower on SH-4 processor-based platforms (319093)


The information in this article applies to:

  • Microsoft Windows CE Platform Builder 3.0
This article was previously published under Q319093

SYMPTOMS

The playback quality of Microsoft Windows Media (WMV) files is noticeably lower on SH-4 processor-based platforms than the playback quality of the same WMF file when it is played on other processors with the same version of the Microsoft Windows CE operating system. Quality is also lower than similar MPEG1 media files.

RESOLUTION

Hotfix information

A supported software update is now available from Microsoft as Windows CE 3.0 Core OS QFE 319093. To resolve this problem immediately, click the following article number for information about obtaining Windows CE Platform Builder and core operating system software updates:

837392 How to locate core operating system fixes for Microsoft Windows CE Platform Builder products

Prerequisites

This fix is supported only when all previously issued fixes for this product have also been installed.

Restart requirement

After you install this update, you must perform a clean build of the whole platform. To clean the platform, click Clean on the Build menu. To build the platform, click Build Platform on the Build menu. You do not have to restart your computer after you apply this fix.

Hotfix replacement information

This fix does not replace any other fixes.

File information

The English version of this package has the file attributes (or later) that are listed in the following table. 
   Date         Time   Version    Size     File name
   --------------------------------------------------------------------
   18-Apr-2002  21:39  3.0.2.418  309,592  020418_sh4_wce30-q319093.exe
The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 
   Date         Time                     Size    File name
   -----------------------------------------------------------

   Path: Public\Directx\Oak\Target\SHx\Sh4\Ce\Retail
   04-Apr-2002  00:49                    211,456  Mpg4ds32.dll     SH-4

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

This hotfix is a new version of the WMV codec for the SH-4 kernel.

REFERENCES

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Modification Type:MinorLast Reviewed:8/18/2005
Keywords:kbQFE kbbug kbfix KB319093 kbAudDeveloper
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