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Digital Media Converter v2.78 |
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Troubleshooting Compatibility Issues |
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The rapid march of technology
has enabled software on home PCs to deliver stunning
graphics, high-quality video and enthralling audio for a complete
user experience. This has been largely possible due
to technologies like DirectX, which enable higher
graphics and sound performance. Digital
Media Converter harnesses the Microsoft DirectShow
technology, a component of DirectX, to convert videos,
split media files and for most of its advanced features. |
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This technology is also
highly extensible. Various software vendors develop
filters (or plug-ins) to extend the capabilities of
DirectShow for their own products. Software vendors
may write filters like, for instance, an MPEG decoder to read
MPEG files. The software vendor’s own product
works well with these filters, but the proprietary
filters can overwrite
the default filters provided by DirectShow. If this
happens, DirectShow, and hence Digital Media Converter,
will pick up the software vendor’s MPEG filter rather
than the default one when you try to work with MPEG
files, which can result in incompatibility. |
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One of the commonest
reasons for Digital Media Converter to function
incorrectly is incompatible filters, usually installed
as part of another software package. |
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How to fix incompatibility
problems? |
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There are many problems
that can be caused by filter incompatibility. Incomplete conversion,
missing video and / or audio after conversion,
and a lack of audio / video synchronization
in converted files are some of them. You can fix most
problems with incompatible filters by: |
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1. |
Installing the latest version of DirectX; reinstalling
if already installed. |
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Using the Compatibility feature in Digital
Media Converter to disable filters. |
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1. Installing
the latest version of Direct X |
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The first step toward
resolving compatibility problems is to install the latest
version of DirectX. To find out what version is currently installed
on your PC: |
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| 1. |
On the Start menu, click 'Run'. |
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Type in "dxdiag" and press enter to
start the
DirectX Diagnostic Tool. |
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The DirectX version
is listed under the System tab. |
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In general;
DirectX 10 comes pre-installed with Windows Vista.
DirectX 8.1 comes pre-installed with Windows XP.
DirectX 7.0 comes pre-installed with Windows 2000. |
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You need DirectX 9.0c or
higher to use the Compatibility feature of Digital Media
Converter. Newer versions of DirectX also improve the
graphics, security and performance of your operating
system. You can
download latest version of DirectX and install it
for your Windows 98, Windows ME, Windows 2000, Windows
Server 2003, Windows XP or Windows Vista-based system.
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2. Using the
Compatibility Tab. |
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DirectShow chooses a filter
by examining all filters registered under a category. It then uses the first filter that meets the requirement. This causes problems because you might have an incompatible
filter selected while running Digital Media Converter.
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Digital Media Converter
has a unique Compatibility feature, which allows you
to disable certain incompatible filters. The user can
define which filter will be used. These settings do
not affect other applications outside Digital Media
Converter. The filters are disabled only for Digital Media Converter. Other applications, which
might be using the filters, work just fine. |
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Some common filters
that cause problems are: |
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| 1. |
iviaudio.ax:
A filter installed by Intervideo WinDVD; causes
problems in audio playback of converted WMV files.
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clmp3wrap.ax
and claudiocd.ax: Filters installed by
Cyberlink PowerDirector; you may not hear audio
in converted files. |
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cmaudio.ax
- from C-Media Inc. (sound card): Digital
Media Converter may unexpectedly quit. |
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divxaf.ax:
'Digital Anti-Freeze' - part of the Nimo Codec
package - causes crashes when trying to convert. |
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nvviddec.ax and
nvidia PVR demultiplexer: Installed by
NVIDIA DVD Decoder; may cause problems while converting
video files. |
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If you face a problem
not covered in the list, you might have to experiment with
the installed filters to identify the filter causing the
incompatibility.
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Disabling a filter
using the Compatibility feature: |
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Click on Tools >
Settings
> Compatibility to access the Compatibility feature. The list under the compatibility tab displays all the
filters that are installed on your computer. |
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To disable a
particular filter: |
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Uncheck the filter. This will disable
the filter only in Digital Media Converter and
not affect other programs on your
PC. |
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Click 'Apply' to disable the filter. |
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