Vivotek SD8111 Specifications download pdf (Page 61)

VIVOTEK

User's Manual - 61

Video quality settings for stream 1 / stream 2

Advanced Mode

Click the stream item to display the detailed information.

This Network Camera offers real-time H.264, MPEG-4 and MJEPG compression standards (Triple

Codec) for real-time viewing.

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.

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.

■ Intra frame period

Determine how often to plant an I frame. The shorter the duration, the more likely you will get better

video quality, but at the cost of higher network bandwidth consumption. Select the intra frame period

from the following durations: 1/4 second, 1/2 second, 1 second, 2 seconds, 3 seconds, and 4 seconds.

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Vivotek SD8111 Specifications Page 61