User guide

222
Chapter 9, Using Matrox MediaExport
Selecting your Ligos MPEG common settings
You can customize various common settings for the Ligos MPEG encoder, such
as the video and audio file formats you want to encode.
¡ImportantWhen you customize your Ligos MPEG profile settings, ensure
that your new settings are compliant with the type of stream you want to encode.
Non-compliant settings may produce undesirable results in your exported video,
and in some cases cause your export to be unsuccessful or unsupported by your
DVD authoring program. It’s recommended that only advanced users customize
their Ligos MPEG profile settings in MediaExport. For details about the required
settings, see “Ligos-compliant profile settings” on page 226.
°To modify your MPEG common settings:
1 Click the Ligos MPEG tab. By default, the Common settings are displayed.
2 Under MPEG Stream, select the type of MPEG stream you want to encode.
3 If you are encoding an MPEG-2 video file, under Profile and Level, select
either
Main Profile @ Main Level, or Main Profile @ Low Level.
4 Use the Motion Estimation slider to select the image quality you want for
your video file. In general, setting the
Motion Estimation slider to higher
numbers produces the highest quality video, but the video will take more
time and processor power to encode.
5 From the Audio Settings list, select the sampling format for the audio
portion of your clip.
6 Under File Generation, select the type of video and audio file you want the
encoder to generate: