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Parameter Description
I Frame Interval The interval between two reference frames.
Bit Rate (Kb/S)
●
Main stream: The higher the value, the better the image quality.
●
Sub stream: For constant stream, the bit rate changes near the
dened value; for variable stream, the bit rate changes along with
the image but the maximum value still stays near the dened value.
Step 3 Click More.
Figure 5-67 More settings
Step 4 Congure audio compression parameters.
Table 5-21 Audio compression parameters
Parameter Description
Audio
This function is enabled by default for main stream. You need to manually
enable it for sub stream. Once this function is enabled, the recorded video
le is composite audio and video stream.
Compression Select an audio compression format.
Sampling Frequency
Set how many times per second a sound is sampled. The bigger the value,
the more natural the sound.
Step 5 Click OK.
Step 6 Click Apply.
5.7.6.2 Snapshot
Background Information
You can set snapshot mode, image size, quality and interval.
Procedure
Step 1 Select Main Menu > CAMERA > Encode > Snapshot.
User's Manual
183
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