User guide

70 Matrox Marvel – User Guide
Matrox MJPEG resolutions
Your Matrox card can capture Matrox MJPEG video at the following resolutions:
Disk space for captured video
The disk space required to store digital video files depends on the frame size (resolution), frame rate, and
compression ratio they’re captured with. The following table shows the estimated disk space (MB / min)
required with different capture settings (with no audio):
Supported sound quality settings (video file recording)
Resolution NTSC PAL/SECAM
Full 704 × 480 704 × 576
1/2 352 × 480 352 × 576
1/4 352 × 240 352 × 288
1/16 176 × 120 176 × 144
Resolution Frame rate Compression ratio MB / min
1/16 1/2 3.4:1 11
1/16 Full 3.4:1 21
1/4 Full 6.9:1 42
1/2 Full 6.9:1 84
Full Full 11.0:1 105
Full Full 6.6:1 176
Setting Bits per sample Stereo or Mono Sample rate MB / min
CD-quality 16 Stereo 44.100 kHz 10.3
TV-quality 16 Stereo 22.050 kHz 5.2
Low-quality 8 Mono 11.025 kHz 0.6
Supported TV output modes
*
* Only for Matrox graphics cards with TV output support. For more information, see “Hardware information”, page 71.
„ Windows 95/98 (all color modes) – 640 × 400 (DirectX only), 640 × 480, 800 × 600, 1024 × 768
„ DOS
†
– 720 × 400, text (02h, 03h); 320 × 200, 256 colors (13h); 640 × 480, 16 colors (12h); 640 × 400,
256 colors (100h); 640 × 480, 256 colors (101h); 640 × 480, 32 K colors (110h); 640 × 480, 64 K colors
(111h); 640 × 480, 16 M colors (112h)
† To enable TV output support for DOS display modes, use
Matrox System Utilities
. You can install this software from your Matrox
installation CD-ROM. For more information, see the
Readme
file included with this software.