Figure 4-37
Figure 4-38
4.9.2 Encode
Encode setting includes the following items. See Figure 4-39.
Please note some series do not support extra stream.
Channel: Select the channel you want.
Type: Please select from the dropdown list. There are two options: regular/alarm. You can set
the various encode parameters for different record types.
Compression: System supports H.264, MPEG4, MJPEG and etc.
Resolution: System supports various resolutions, you can select from the dropdown list. The
main stream of the first channel max supports 960H and the 2
nd
to 4
th
supports CIF/QCIF.
The extra stream supports CIF/QCIF.
Frame rate: It ranges from 1f/s to 25f/s in NTSC mode and 1f/s to 30f/s in PAL mode.
Bit rate type: System supports two types: CBR and VBR. In VBR mode, you can set video
quality.
Quality: There are six levels ranging from 1 to 6. The sixth level has the highest image
quality.
Video/audio: You can enable or disable the video/audio. The main stream is enabled by
default. The record includes audio and video if you highlight audio button here. For extra
stream, you need to check video first and then select audio.
Audio format: Here you can set device audio format: G711a, PCM, G711μ.
Overlay: Click overlay button, you can see an interface is shown in Figure 4-42. Please note
the following overlay titles can not be in the same position. Please note only the unit of GPS
module supports GPS overlay function.
Cover area (Privacy mask): Here is for you to set privacy mask section. You can drag you
mouse to set proper section size. In one channel video, system max supports 4 zones in
one channel.
Preview/monitor: privacy mask has two types. Preview and Monitor. Preview means the
privacy mask zone can not be viewed by user when system is in preview status. Monitor
means the privacy mask zone can not be view by the user when system is in monitor
status.
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