261
Figure 4-83
4.8.3.7 Audio Detect
System can generate an alarm once it detect the audio input is abnormal or audio volume changes.
From main menu->Setup->Event->Audio detect, user may see an interface shown as in Figure 4-84.
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.
For detailed setups, please refer to chapter 4.8.3.1.1 motion detect for detailed information.
Summary of Contents for DNA3500 Series
Page 2: ...DNA Network Video Recorder User s Manual V 5 2 0...
Page 123: ...110 Figure 3 98 Figure 3 99 Figure 3 100...
Page 135: ...122 Figure 3 116 Click draw button to draw the zone See Figure 3 117...
Page 139: ...126 Figure 3 120 Click Draw button to draw a zone See Figure 3 121 Figure 3 121...
Page 144: ...131 Figure 3 126 Click draw button to draw the zone See Figure 3 127...
Page 158: ...145 Figure 3 139 Figure 3 140...
Page 159: ...146 Figure 3 141 Figure 3 142...
Page 160: ...147 Figure 3 143 Figure 3 144...
Page 162: ...149 Figure 3 146 Figure 3 147...
Page 187: ...174 Figure 3 173 Figure 3 174...
Page 255: ...242 Figure 4 53 Figure 4 54...
Page 256: ...243 Figure 4 55 Figure 4 56...
Page 279: ...266 Figure 4 90 Figure 4 91...
Page 286: ...273 Figure 4 100 Figure 4 101...
