HIKVISION DS-2DE2A404IW-DE3 User Manual

User Manual of Network PTZ Camera
© Hikvision
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5.3.1 Detecting Audio Exception
Purpose:
When you enable this function and audio exception occurs, the alarm actions will be triggered.
Steps:
1. Enter the video audio exception detection interface:
Configuration > Event > Smart Event > Audio Exception Detection
Figure 5-20 Audio Exception Detection
2. Check the checkbox of Audio Loss Detection to enable the audio input exception detection.
3. Check the checkbox of Sudden Increase of Sound Intensity Detection checkbox to enable
the sudden rise detection.
 Sensitivity: Range [1-100], the smaller the value the more severe the sound change will
trigger the detection.
 Sound Intensity Threshold: Range [1-100], it can filter the sound in the environment, the
louder the environment sound, the higher the value should be. You can adjust it according
to the actual environment.
4. Check the checkbox of Sudden Decrease of Sound Intensity Detection checkbox to enable
the sudden drop detection.
Sensitivity: Range [1-100], the smaller the value the more severe the sound change will
trigger the detection.
5. Click tab to enter the arming schedule setting interface. The time
schedule configuration is the same as the settings of the arming schedule for motion

HIKVISION DS-2DE2A404IW-DE3 Specifications

General

Card reader integrated	Yes
Compatible memory cards	MicroSD (TransFlash), SDHC, SDXC
Maximum memory card size	256 GB
Maximum resolution	2560 x 1440 pixels
Video compression formats	H.264, H.264+, H.265, H.265+
Type	IP security camera
Placement supported	Outdoor
Sensor type	CMOS
Optical sensor size	1/3 \
Housing material	Aluminum
Voice codecs	G.711, G.722.1, G.726, MP2L2, PCM
Number of users	32 user(s)
Supported network protocols	IPv4/IPv6, HTTP, HTTPS, Qos, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP/IP, DHCP, PPPoE, Bonjour
Minimum illumination	0 lx