Stitching Bullet Model (3)
The default setting of Stream 1 is 30 fps (NTSC) or 25 fps (PAL). The
maximum framerate range of each stream will change according to the
selected video resolution.
Fisheye Model (8)
The default setting of Stream 1 is 25 fps (Front End) or 20 fps (Back end).
The maximum framerate range of each stream will change according to
the selected video resolution.
NOTE: Low framerate will decrease video smoothness.
Profile
Users can set H.265/H.264 Profile to <High Profile> or <Main Profile> according
to its compression needs. With the same bit rate, the higher the compression
ratio, the better the image quality is. The default setting is <Main Profile>.
NOTE: Please make sure the higher compression ratio is supported by
the system before setup.
Rate Control
There are three kinds of H.265/H.264 bit rate modes provided: CBR (Constant
Bit Rate), VBR (Variable Bit Rate) and LBR (Low Bit Rate).
CBR
The sent-out video bitrate will be fixed and consistent to maintain the
bandwidth.
VBR
Video bitrate varies according to the activity of the monitoring
environment to achieve better image quality.
LBR
LBR keeps low bitrate and ensures superior image quality. To implement
LBR control, setup the compression level and dynamic GOV for each
streaming accordingly beforehand.
- Compression
Based on the current application area and streaming bitrate, select
the most suitable compression level, high/mid/low.
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