Specifications

Configuration > Advanced > Video Settings

There are three dependent parameters provided for video

performance adjustment.

Maximum frame rate- Limits the maximal refresh frame rate that can be

combined with the “Video quality control” to

optimize the bandwidth utilization and video quality. If

users want to fix the bandwidth utilization regardless

of the video quality, choose “Fix bit rate” and

select the desired bandwidth. The video quality may

be poor in order to send maximal frames within the

limited bandwidth when images change drastically.

Consequently to ensure the video detail (quantization

rate) regardless of the network, it will utilize more

bandwidth to send the maximal frames when images

change drastically.

Flip - Vertically rotate the video.

Mirror - Horizontally rotate the video. Check both if DCS-

2000 is installed upside down.

White balance - Choose the suitable option for the best color

temperature.

Tune Video for the best performance

“Best performance” means the image refresh rate should be the fastest possible and

the video quality should be the best possible at the lowest network bandwidth

possible. Three factors, “Maximum frame rate”, “Fix bit rate”, and “Fix quality”

in the Video configuration page, are related to the performance.

My priority is real-time motion images

To achieve a real-time visual effect, the network bandwidth should be large enough to

transmit 20 image frames per second (fps) or more. If you are on a broadband network

over 1 Mbps, you can fix the bit rate to 1000Kbps or 1200Kbps, or fix the quality to

achieve the maximum frames. The maximum frame rate is 25 in 50Hz system and 30

in 60Hz system. If your network bandwidth is more than 384Kbps, you can fix the bit

rate according to your bandwidth and set the maximum frame rate to 25 or 30. If the

images vary dramatically in your environment, you may slow down the maximum

frame rate to 20 to decrease the transmitted data for better video quality, since the

human eye could not easily tell the difference between 20 and 25 or 30 frames per

second. If your network bandwidth is below 384 Kbps, you should fix the bit rate

according to your bandwidth and try out the best performance by tuning the maximum

frame rate. The larger frame rate in slow network will blur the images. You may also

try to choose “Half” in size option for better images or “Halfx2” for larger image size.

Because the network has burst constraints and everyone’s environment is not the

same, any poor connection will drop the normal performance.