Description
3DNR - Noise reduction system
The noise reduction system allows you to maintain image transparency in a situation of variable signal strength level. In practice, this function protects the recordings against the occurrence of so -called The smoking effect and allows you to maintain detailed and crystal clear video recordings.
![function_3d_nr](https://b.assecobs.com/accounts/promitelhybrid/stock/img/dahua/function_3d_nr.png)