Bedienungsanleitung Archos PMA400 (Seite 24 von 39) (Englisch)

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12.2 Using MPEG4 Translator

To the left you see the image of the main MPEG4

Translator program. When you first run the

program, you will be notified if the required codec

has not been installed yet. You should download the

codec and install it on your computer. If the Virtual

Dub program has not been installed, you will also

be notified, and you should install it (found on the

PMA430 in the Archos\PC installation folder or

the Virtual Dub website). If you have placed the

Virtual Dub program in a folder other than the

installer default folder, it will ask you to locate the

program file.

Select Source & Destination Files

In the example above, a source file “24 hours of Lemans.avi” has been selected. You can see on

the bottom of the window its original characteristics (width 720, height 576, frame rate 30). Next,

you must then tell the program where to place (button: Set Destination file) the newly recoded

version of the file. You should give it a new descriptive name, such as shown above

Lemans_PMA_400.avi. Make sure you add the .avi extension. Don’t worry, the original file will

not be erased because the new file will have a different extension. If for some reason, you should

have selected the same extension and file name (for example to create a file optimized for the TV

and one for the LCD screen based on the same source file), a warning will be displayed and you

should change the destination file name.

Change Settings

Next, you can change the parameters (button: Change Settings) of the encoder to adjust the level

of quality of the final image. As for MP3

music, higher video bit rates mean higher

quality video, but will also take up more

space on your hard disk. A setting of 500

kbps is appropriate for the LCD screen; 900 kbps will give you a nice looking image for viewing

on a television. For near DVD quality, you can set it up to 1200 kbps.

Target & Priority

You should select the target as PMA430. You will see a Priority box appear. If for example you

are re-encoding a video file that is 800x600 in resolution and 30 frames per second, this is beyond

the maximum resolution that the PMA430 can play (see Video playback information in the

Technical Specifications at the end of this manual). Thus, the MPG4 Translator program will have

to decrease the resolution.

Choosing LCD optimizes the

final video format for viewing

on the built in LCD screen.

Choosing the TV option will

optimize the movie to keep the

highest possible frame rate. You can see what the size and frame rate will be by looking at the

Video Image Size : Destination parameters. When choosing TV, it is understood that the output

will be optimized for a television, and not the built-in screen.

Start

Click on Start and the program will call Virtual Dub to start processing the video. Depending on

the power and speed of your computer, this could take at least real time (a 60 minute long video

re-encoded in about 60 minutes) but probably much longer. As

shown to the left, you will see the progress as Virtual Dub

processes the video file.

The Start button might be greyed out for one of two reasons:

1) The source file is not a true AVI file. Even if the file name ends

with .avi, the internal file data determines if it is truly an AVI file.

2) The Virtual Dub program was not located when Mpeg4

Translator was started up. Close the program, restart it, and make

sure you locate the Virtual Dub program.

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