4.1.4.5 Encode
It is to set video bit streams, image bit streams, and video overlay parameters.
Besides startup wizard and configuration wizard, from main
menu->Setting->Camera->Encode, you can also go to the following interface.
4.1.4.5.1 Encode
Step 1 Click Encode tab.
Enter Encode interface. See Figure 4-38.
Step 2 Set parameters.
Channel: Select the channel you want.
Smart codec: Check the box to enable smart codec function. It can lower bit streams,
enhance compression rate, and reduce HDD storage space. Please note this function
is for main stream only.
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.264H, H.264, H.264B, and MJPEG.
H.264H: It is the High Profile compression algorithm. It has the high encode
compression rate. It can achieve high quality encode at low bit stream. Usually
we recommend this type.
H.264 is the general compression algorithm.
H.264B is the Baseline algorithm. Its compression rate is low. For the same video
quality, it has high bit stream requirements.
Resolution: It is to set video resolution. The higher the resolution is, the better the
video quality is.
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:
local/HDCVI. For local mode, the audio signal is from the Audio In port. For HDCVI
mode, the audio signal is from the coaxial cable of the camera.
Audio sampling: It refers to the audio signal sampling times in one second. The higher
the rate is, the higher the audio quality is. There are two modes: 8K/16K. The default
setup is 8K. HDCVI audio max supports 16K.
Step 3 Click Save button.
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