Matrox Electronic Systems Matrox RT.X2 User Manual Page 165
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Rendering material to a Matrox VFW .avi file
Configuring the Matrox MPEG-2 I-frame codecs
When you click your program’s Configure button to configure a Matrox
MPEG-2 I-frame codec (SD or HD resolution, with or without alpha), a dialog
box similar to the following appears:
¡ Important Unless you have the Matrox RT.X2 hardware, you can use the
Matrox MPEG-2 I-frame HD codec to render to a 1440×1080i/p file only. The
“+ Alpha” Matrox MPEG-2 I-frame codecs are available only on a system that
has RT.X2 hardware.
1 Drag the Data Rate slider until your desired data rate is displayed. The
higher the data rate you select, the better the video quality will be.
Depending on the capabilities of your system, however, you may not be able
to smoothly play back video at a high quality using your VFW program.
2 Beside Frame Rate, select a frame rate from the list. Make sure the frame
rate you select is appropriate for the format to which you are rendering.
¦NoteThe Frame Rate setting is not available if you’re rendering to
MPEG-2 I-frame SD format without alpha.
3 To apply advanced settings to your MPEG-2 I-frame file, click the
Advanced button.
¦NoteThe Advanced button will be available only on a system that has the
Matrox RT.X2 hardware, and is not available if you’re rendering to MPEG-2
I-frame SD format without alpha. The default advanced settings should
provide good results for most applications. We recommend that you change
these settings only when needed for special purposes.
4 Beside DC Precision, select the bit-depth precision of the DC intra block.
The higher the DC precision value that’s used to render your video, the more
likely that the DC content will be increased at the expense of the AC content
in the encoded stream. This may result in lowering the overall quality of the
compressed stream at a specified data rate.
- Matrox RT.X2 1
- Trademarks 2
- Contents 3
- Introducing Matrox RT.X2 9
- Welcome to Matrox RT.X2 10
- About this manual 11
- Other documentation 12
- Project panel, applying 14
- Adobe Premiere Pro 15
- Explorer 16
- VFW applications 17
- Panasonic P2 folder structure 18
- EZ-HDV AVI > Create 20
- Settings 23
- For Windows XP 25
- Loading project presets 26
- Setting up your scratch disks 27
- Events panel 27
- $ Matrox offline HD clips 28
- 2 Click the General tab 32
- Capture 41
- Project panel 42
- Recompress. This retains the 46
- Movie Start 53
- Setting Up Realtime Effects 57
- Available effects 58
- Premiere Pro 59
- Transforming your clip 60
- Figure 1: Offset at 0,0,0 61
- Figure 2: Offset at 100,0,0 61
- ). Precision Mode is 62
- Cropping your clip 63
- Using Select Crop 64
- Using Select Mask 66
- Using Split View 69
- Live Update 70
- 0 Default end point 71
- 1 Default end point 71
- Adjusting tonal range 73
- Using the color balance graph 74
- Reset Color 75
- Balance button 75
- Shadows 76
- Performing an auto balance 77
- °To perform a color match: 78
- Master 79
- Shadows color map 79
- 0 Input 80
- 1 Input 80
- 2 Output 80
- 3 Output 80
- Using the selective key graph 87
- 0 Hue 1 Aperture 2 Softness 88
- Auto Key affects values 90
- Creating a color pass effect 92
- Creating a 3D DVE effect 93
- • Top Left: Red 97
- • Top Right: Green 97
- • Bottom Left: Blue 97
- • Bottom Right: Orange 97
- Result of chroma key 99
- 3 Aperture 4 Luminance 103
- Creating a cube effect 106
- Creating a crystallize effect 109
- Click here to 110
- Creating a lens flare effect 116
- Underlying image 118
- Result of luma key 118
- Foreground image 118
- Creating a luma key effect 119
- Using the luma key graph 120
- HIGH GAIN 121
- LOW GAIN 121
- LOW CLIP 121
- HIGH CLIP 121
- Creating a mask effect 122
- Creating a mask blur effect 124
- Creating a mask mosaic effect 126
- controls in the Matrox 129
- Creating an old movie effect 130
- Creating a page curl effect 134
- Creating a ripple effect 138
- Creating a shadow effect 140
- Creating a shine effect 142
- Creating a sphere effect 146
- $ Front Face Control 148
- Creating a track matte effect 151
- Creating a twirl effect 153
- Creating a wipe transition 154
- Supported graphics formats 158
- Limitations 158
- Windows Programs 159
- Overview 160
- Before you start rendering 161
- Adobe After Effects 170
- Adobe Photoshop 170
- Autodesk 3ds Max 170
- Autodesk Combustion 170
- NewTek LightWave 3D 171
- Your notes 172
- This chapter explains how to 173
- Displaying system information 174
- Hardware 176
- Error notification 177
- Pulldown 179
- Standard 2:3 pulldown 180
- Advanced 2:3:3:2 pulldown 181
- Video fields @ 29.97 fps 182
- Matrox RT.X2 Workflows 183
- DV-1394 input/output, and 185
- P2 .mxf source files on disk 185
- Working with HD projects 186
- 1440×1080i/p workflow example 187
- 720p workflow example 188
- RT.X2 SD 190
- HD projects 194
- Matrox RT.X2 Customer Support 197
- Getting the most support 198
- Matrox RT.X2 Glossary 199
- Glossary of terms 200
- Numerics 213
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