Part 2: The Ultimate Method to Remove Video Noise To remove voice noise and enhance the video quality, you should not only upscale the video resolution, but also adjust the video brightness, saturation, and more other parameters. After that, you can see many grains in your footage. However, the ISO will increase the camera sensor’s sensitivity to light when it works, which will then increase the noise that your sensor captures. The digital camera has to crack up your ISO to compensate for the situation. When you shoot videos in a situation where the lighting is not optimal, you should find the video noise. Part 5: FAQs of How to Remove Video Noise.Part 4: How to Remove Video Noise for Free.Part 3: How to Remove Video Noise Online.Part 2: The Ultimate Method to Remove Video Noise.