What is DNR?
DNR is an acronym stands for Digital Video Noise Reduction. Usually this noise happens when you capture your photo in low light environment or when using high- sensitive mode. The compression of the signals happens when broadcasting an image or video in large-size screen with high- quality of displaying. DNR detects this noise, reduces all of these noises such as dirt or film grain clear them, and produce a grain-free picture. DNR is done by the use of digital filtering algorithm on the digital image data for reducing the random noise such as film speckles, scratches, and electronic noise and so on.
