User Manual

14
the recording. VBR means that the compression bitrate can be adjustable according to
the change of the video resources. This will help to optimize the network bandwidth.
x Bitrate: Please choose it according to the actual network situation.
x Video Quality: When VBR is selected, you need to choose image quality. The higher the
image quality you choose, the more bitrate will be required.
x I Frame interval: It is recommended to use the default value. If the value is over high,
the read speed of the group of pictures will be slow resulting in the quality loss of the
video.
x Video Compression: H264 and H265 are optional. Higher quality of image can be
transferred under limited network bandwidth by using H265 video encoding,
however, higher quality of the hardware is required.
x Profile: Baseline, main/high profiles are optional. Baseline profile is mainly used in
interactive application with low complexity and delay. Main/high profile is mainly used
for higher coding requirement.
x Send Snapshot: Please select it according to the actual situation.
x Video encode slice split: If enabled, you may get more fluency image even though
using the low-performance PC.
x Watermark: If enabled, input the watermark content. You may check the watermark
when playing back the local record in the search interface, lest the record files is
tampered.
x Audio Encoding: G711A and G711U are selectable.
x Audio Type: MIC and LIN are selectable.
6.2.3 OSD Configuration
Go to ImageÆOSD interface as shown below.
You may set time stamp, device name and OSD content here. After enabling the
corresponding display and entering the content, drag them to change their position. Then
click “Save” button to save the settings.