VIVOTEK
User's Manual - 65
There are three parameters provided in MJPEG mode to control the video performance:
■ Frame size
Select the video size. Note that a larger frame size takes up more bandwidth. The frame sizes are
selectable in the following resolutions:
NTSC PAL
D1 720 x 480 720 x 576
4CIF 704 x 480 704 x 576
CIF 352 x 240 352 x 288
QCIF 176 x 120 176 x 144
■ Maximum frame rate
This limits the maximum refresh frame rate per second. Set the frame rate higher for smoother video
quality. The frame rates are selectable at 1fps, 2fps, 3fps, 5fps, 8fps, 10fps, 15fps, 20fps, 25fps, and
30fps. You can also select Customize and manually enter a value.
■ Video quality
The video quality can be adjusted to the following settings: Medium, Standard, Good, Detailed, and
Excellent. You can also select Customize and manually enter a value.
► The Custom value you enter for Video quality here is related the Compression rate of each still JPEG image. A lower value produces higher JPEG image quality.
NOTE: