The main bit stream supports H.264. The extra stream supports
H.264, MJPG.
System supports various resolutions, you can select from the
dropdown list. The main stream supports
D1/HD1/2CIF/CIF/QCIF and the extra stream supports
CIF/QCIF. Please note the option may vary due to different
series.
Note:
a). For HD-SDI series, the main code-stream types are
1080P/720P/D1/HD1/2CIF/CIF/QCIF; Extra stream resolution
supports D1/CIF/QCIF.
b). For 960H series, the main code-stream types are
960H/D1/HD1/2CIF/CIF/QCIF; Extra stream resolution
supports 960H/D1/HD1/2CIF/CIF/QCIF.
PAL:1~25f/s;NTSC:1~30f/s.
Note:
For the 16-channel series product of the HD-SDI 1080P 1.5U
series product and the HD-SDI 1080P 2U series product,
when the main stream resolution is 1080P/720P, the frame
rate of the 1/5/9/13-channel max supports 25f/s or 30f/s and
the frame rate of the rest channels support 12f/s or 15f/s. The
extras stream of the HD-SDI 1080P 1.5U series product and
the HD-SDI 1080P 2U series product support D1 (6fps or
7f/s.)
Main stream: You can set bit rate here to change video
quality. The large the bit rate is , the better the quality is.
Please refer to recommend bit rate for the detailed
information.
Extra stream: In CBR, the bit rate here is the max value.
In dynamic video, system needs to low frame rate or
video quality to guarantee the value. The value is null in
VBR mode.
Recommended bit rate value according to the resolution and
frame rate you have set.
Here you can set the P frame amount between two I frames.
The value ranges from 1 to 150. Default value is 50.
Recommended value is frame rate *2.
This function allows you to verify the video is tampered or not.
Here you can select watermark bit stream, watermark mode
and watermark character. Default character is DigitalCCTV. The
max length is 85-digit. The character can only include number,
character and underline.
7.8.1.2.2 Snapshot
The snapshot interface is shown as in Figure 7-20.
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