User manual

58
Figure4‐55
4.10.1.3 Encode
It is to set video bit stream, picture bit stream, video overlay parameter and etc.
4.10.1.3.1 Video
Video setting includes the following items. See Figure 4-56.
 Channel: Select the channel you want.
 Type: Select from the dropdown list. There are three options: regular/motion detect/alarm.
You can set the various encode parameters for different record types.
 Compression: System supports H.264 and MJPEG.
 Resolution: System supports various resolutions, you can select from the dropdown list. Note
the option may vary due to different series.
 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.
 Audio format: Select from the dropdown list. There are three options: G711a/G711u/PCM
 Audio source: Select from the dropdown list. There are two options: normal/HDCVI. For
normal mode, the audio signal is from the Audio In port. For HDCVI mode, the audio signal is
from the coaxial cable of the camera.