Matrox Electronic Systems Matrox RT.X2 - Manual (Page 20)

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Chapter 2, Working with .mxf, .mp4, and .avi Files
files will be named Filename_Ref.avi, Filename_Ref.Mono1.wav, and
Filename_Ref.Mon2.wav. For example, if you’re creating both video and
audio files for a file named Demo.avi, your reference files will be named
Demo_Ref.avi, Demo_Ref.Mono1.wav, and Demo_Ref.Mono2.wav (only
mono reference .wav files can be created for stereo HDV clips).
¦ Note The file type settings will remain in effect until you change them.
3 Right-click the desired HDV .avi file (or selected files), and choose Matrox
EZ-HDV AVI > Create . Your reference .avi and .wav files will be created in
the same folder as your source .avi files.
¡ Important Once the Matrox EZ-HDV AVI files are created, do not change the
location or name of the referenced HDV .avi files or your VFW program won’t
be able to locate your original HDV clips. If this occurs, Matrox
RT.X2 will
display an appropriate error message.
Converting a 32-bit .tga sequence to an .avi file
with alpha
Matrox RT.X2 allows you to create a single .avi file with alpha from a 32-bit .tga
sequence. The created .avi file will contain the alpha-key information, which
means that when you place the file on the timeline in Adobe Premiere Pro, the
clip will be automatically keyed. Having only one file simplifies management
and makes it easier to include the composition in your final edit.
¦ Note You can convert 32-bit uncompressed or RLE-compressed .tga files to an
.avi file with alpha.
When selecting only one .tga file, the program automatically detects other files
with the same base name in the same folder (for example, demo001.tga,
demo002.tga, etc.), and uses these files to create the .avi file. When multiple .tga
files are selected, only the selected files will be taken to build the .avi file. The
.avi file will be created with the following naming convention:
Base Name_Compressor_Output Format.avi
For example, if the base name for your converted .tga sequence is demo, the
compressor is
Matrox MPEG-2 I-frame+ Alpha , and the output format is
NTSC 4:3 , the created .avi file will be named
demo_MPEG-2_I-frame_NTSC_4_3.avi.
You can create HD and SD .avi files with alpha in Matrox MPEG-2 I-frame
format. On Matrox RT.X2 SD, however, only the SD files are supported.