Dahua NVR DHI-NVR4108-8P-4KS2 video quality bug, camera affected; Dahua IPC-HFW3849T1-AS-PV

arium76

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Dahua Video quality bug/problem:
Dahua video quality degrades substantially when IVS is enabled and Tripwire/Intrusion is enabled.
After fiddling with settings I have come up with a workaround.
I have latest firmware for both NVR and Cameras. Refer Device Model and System Version below:

Solution: (via web interface)
Set/Create IVS Tripwire/Intrusion rules under AI->Parameters->IVS
Once set go to Camera, Image, and change Profile to General.
Note if profile was already General then change it to Day(click OK) and then back to General(Click OK).
This will restore video quality and have IVS working.

NVR
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Device Model: DHI-NVR4108-8P-4KS2
System Version: V4.001.0000005.1, Build Date: 2021-07-13


Cameras
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Device Model: IPC-HFW3849T1-AS-PV
System Version: 2.820.0000000.24.R,2022-03-10
 

bigredfish

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I’m guessing your problem was simply video encoding or other settings on the NVR. Once you login to the camera to make a change and save it, the camera settings are pushed back to the NVR.

Recommend making ALL settings/ changes on the camera itself. The only thing you should set on the NVR is the recording schedule.
 
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