48
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 b utton 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 s tatus. Monitor
means the privacy mask zone can not be view by the user when system is in monitor
status.
