Dahua Smart Box Series, Руководство пользователя

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Standalone DVR User’s Manual
191
Figure 4-80
4.11.1.3 Encode
It is to set video bit stream, picture bit stream, video overlay parameter and etc.
4.11.1.3.1 Video
Video setting includes the following items. See Figure 4-81.
Channel: Select the channel you want.
Type: Please 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. Please 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: Please select from the dropdown list. There are three options:
G711a/G711u/PCM
Audio source: Please 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.