Vivotek IP8330 User Manual page 59

If H.264 / MPEG-4 mode is selected, the video is streamed via RTSP protocol� There are four parameters
for you to adjust the video performance:
■ Frame size
You can set up different video resolution for different viewing devices. For example, set a smaller
frame size and lower bit rate for remote viewing on mobile phones and a larger video size and a higher
bit rate for live viewing on web browsers� Note that a larger frame size takes up more bandwidth�
■ Maximum frame rate
This limits the maximum refresh frame rate per second. Set the frame rate higher for smoother video
quality�
For IP8332:
If the power line frequency is set to 50Hz, the frame rates are selectable at 1fps, 2fps, 3fps, 5fps,
8fps, 10fps, 15fps, 20fps, and 25fps� If the power line frequency is set to 60Hz, 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� The frame rate will decrease if you select a higher resolution�
For IP8330:
It supports up to 60 fps @ 640 x 480. If you want to view smooth and crystal-clear video with 60 fps,
we sugguest you set up the IP8330 in an environment with sufficient ambient light source. In addition,
please manually select maximum frame rate at 60fps and set the shutter time (maximum exposure
time) at 1/60s�
VIVOTEK
User's Manual - 59