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In order for MPEG4-Translator to compress the video in a file of the format MPEG-4 SP that the
Gmini™ can read, it requires an MPEG 4 codec to be installed on your computer.If you do not
have the approporiate codec installed, MPEG-4 Translator will tell you on start up which codec it
requires. You will be able to download it for free from the Internet.
Virtual Dub™
VirtualDub is an utility for transcoding one video file into another. This is a general purpose
transfer and cleanup utility which has many options allowing for even the most difficult video
translations. When you install it onto your PC from the PMA430, it will automatically unzip. It
will prompt you to save it to C:\Program Files\VirtualDub. You should use this default directory
location or will have to instruct the Mpeg4 translator program where to find it.
MPG4 Translator
This program, developed by ARCHOS , is a “Front-end” for the Virtual Dub program. It sets all
the parameters for Virtual Dub specifically to create a video file in the right size and format to be
read by the PMA430. When you run it for the first time, the MPEG4 Translator will need to locate
the Virtual Dub program. If you did not install Virtual Dub in the default location, it will ask you
to navigate to the directory where it was installed when you open MPEG4 Translator.
MP3 Sound Codec
Remember, in order for the PMA430 to be able to play the video, it must have an MP3, PCM
(standard .wav), or ADPCM (compressed .wav) sound track. If the source video file did not have
one of these sound track formats then your destination file will have no sound. MPG4 translator
will signal this error condition. In order to keep the sound of your video, install an MP3 encoder
for Virtual Dub to use. There are MP3 codecs (usually packaged together as an encoder and
decoder) available on the Web for you to download. If you choose to use the LAME codec, make
sure that you have a version built with the ACM front-end. You can find other MP3 codecs on the
web by using the search terms ACM, MP3 and CODEC in your favorite web search engine. Once
this MP3 codec is installed into your system, MPEG4 Translator will be able to create final video
files with MP3 sound, even if the source video file does not have an MP3 sound track.
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If you are unsure what codecs (audio and/or video) have
been installed on your computer, you can see the list by
going to the following location.
For Windows XP, click on Start > Settings >
Control Panel > Sounds and Audio Devices
Properties > Hardware > choose Audio Codecs,
then click on Properties. You will find a list here of all
the audio codecs that are installed on your computer.
Decoding of MPEG 2 video files is currently not
supported by MPG4 Translator. These are usually .mpg
or .mpeg format files, not the required AVI file. There
are other tools found on the Internet (FlaskMPEG,
Rippack, etc.) that may be downloaded in order to help you with these file types. A good starting
place is the website www.digital-digest.com.