137
Figure 3-132
3.14.7
Audio Detect
System can generate an alarm once it detect the audio input is abnormal or audio volume changes.
From main menu->Setting->Event->Audio detect, user may see an interface shown as in Figure 3-133.
Input abnormal: Check the box here, system can generate an alarm once the audio input is
abnormal.
Intensity change: Check the box here, system can generate an alarm once the audio volume
becomes strong.
Sensitivity: It refers to the audio recognition sensitivity. The higher the value is, the higher the
sensitivity is.
Threshold: It is to set intensity change threshold. The smaller the value is, the higher the sensitivity
is.
Log: Check the box here, system can record audio detect alarm log.
User may refer to the chapter 3.14.1.1 to set other parameters.
Содержание DNA3500 Series
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