User's Manual

54
Parameter
Description
Smart Codec
Enable Smart Codec to improve video compressibility and save storage
space.
After Smart Codec is enabled, the Device does not support the third stream,
ROI, smart event, and other functions.
Resolution
Multiple resolution types are available for you to choose, and each type
corresponds to a unique recommended stream value.
Frame Rate
(FPS)
PAL: 1–25 frames/s or 1–50 frames/s. The frame rate changes with the
resolution.
Bit Rate Type
There are two options: CBR (constant bit rate) and VBR (variable bit rate).
● Image quality can be set only in VBR mode, and cannot be set in CBR
mode.
● In MJPEG encode mode, CBR is the only option for Bit Rate Type.
Reference Bit
Rate
The recommended bit rate range is based on the resolution and frame rate.
Bit Rate
It is the upper limit of stream in VBR. In CBR, the value is fixed.
I Frame Interval
The number of P frames between two I frames. The range varies with the
frame rate, and the maximum value is 150. It is recommended to set the
interval twice the frame rate.
SVC
Layered encoding can be done for FPS. SVC is a scalable encoding method on
time domain. It is 1 by default, which means no layered coding. You can set 2,
3 or 4 layered encoding.
Watermark
Settings
You can verify the watermark to check if the video has been tampered.
Watermark
Character
You can verify the watermark to check if the video has been tampered. Select
Watermark Settings checkbox to enable Watermark Character. The
watermark character is DigitalCCTV by default, and you can modify it.
Watermark character consists of up to 128 characters from letters, standard
symbols, spaces, and special characters.
Step 3 Click Save.
5.1.2.2 Snapshot
This section describes how to set streams for snapshots.
Step 1 Select Setting > Camera > Video > Snapshot.