Why denoise video? It is not easy to record a video with a clean audio especially in a noisy environment, since microphone is very sensitive to ventilation noise like computer fans, urgent breath and more. So zero noise in video record is almost impossible. Then instead of learning how to keep sound clean and clear in video recording, why not grasp the skills on video denoise. There are numerous free methods for noise reduction including both video and audio.

Table of Contents:

1. Video Noise vs. Audio Noise

How much do you know about “denoise” or noise reduction? When it comes to denoising, can you tell apart background noise from video and background noise from audio? There are really some differences between them you should know for a better denoise. Video noise generally refers to background noise, chroma noise and luminance noise related to video images, while audio noise usually covers hissy sound or others you want to eliminate from a video. Thus, when you see questions like “How to get rid of background noise from video” and “How to get rid of background noise from audio”, be clear that they have different purposes and stand for distinct denoise methods. And no matter it is noise reduction from video or noise removal in audio, there are targeted denoiser able to do that. Now, let’s learn about such noise reduction software together.

2. Noise reduction from video

In order to denoise video by reducing background noise, chroma noise and luminance noise of video images, choose DVDFab Video Enhancer AI. With the assistance of this video denoiser, any sort of abstract parameters such as brightness, saturation, etc. can be dealt with automatically. So if you are a beginner in video denoise, this AI noise reduction software is your best choice. Subsequently, follow me to see how to denoise video with this freeware. You have 5 free trials in 30 days without watermark and any other kinds of limitations.

Step 1: Download and Install DVDFab Video Enhancer

This Video denoise software is compatible with Windows as an open source program. You can get it launched fast in your computer without any worries about virus.

Step 2: Add Video(s)

There are two ways for you to import your files to this video denoise software. Click the button of “Add Videos” in the upper-left corner or choose “Drop & Drag videos here to start”.

Step 3: Set “AI Models” and “Output”

There are three AI Models, including For Movie Video, For Home Video, and For Web Video. The output format ranges from MKV.H265 to MKV.H264, MP4.H264 and MP4.H265. You can choose resolution among SD, HD, FHD, UHD, Same as Source AND 200%, as well as set video bitrate as Standard Quality, High Quality or Same as Source.

Step 4: Start to denoise video

After all the settings, click the button of “Start” and wait for DVDFab Video Enhancer AI to process your file. Within a short time, noise reduction will be completed by this video denoise software. Wish you a pleasant experience of “remove nose from video” with it.

3. Noise Removal in Audio

Apart from how to remove background noise from video, knowledge of denoise featuring noise removal in audio deserves your attention more, because removing background noise from audio is a hot issue especially in video recording. In the face of noisy sound in a video, you have two choices: denoise through noise reduction in audio; substitute original audio with new sound. Now, let’s explore how to denoise video following the two ways.

(1) Denoise through noise removal in audio

When do you need noise removal in audio? Let’s take GoPro video as example. As is known to us, GoPro videos often cover extreme sports where people couldn’t help screaming loudly, which really has a bad effect on video watching. So how to denoise video in this situation by removing background noise from audio? Turn to Toolkit for help.

  • Free Download and install Toolkit on Windows
  • Launch this denoiser and click the button of “Denoise (GoPro)” under “Audio Tools”
  • Click the “+” button to load a file or drag & drop files to this free software
  • Denoise video by adjusting the value of “Low Pass” and “High Pass”
  • Set the output folder
  • Start to remove noise from video with this voice reduction software

Then the noise in your video will be reduced or eliminated to the largest extent. You can preview the effect while you are denoising it. This video denoise software is easy-to-use and very suitable for beginners, so why not have a free trial of it? And more surprises are waiting for you like video conversion from MKV to MP4, video merge, crop, rotate, and among others.

Since Toolkit is only available on Windows, if you want to denoise video on Mac, turn to Audacity noise removal and here are the operational steps on how to remove background noise from audio using this software.

  • Get Audacity launched on Mac
  • Click “File” > “Import” to add a file you want to denoise
  • Select part of noisy audio clip
  • Head to the “Effects” menu and enable the noise removal tab
  • Click “Get Noise Profile” and highlight all the audio you want to denoise
  • Set options on the panel based on your needs and click “OK”

Besides Audacity clean up audio, Premiere Pro noise reduction is another option for noise removal on Mac. So you can try any of them as a Mac user. Still, DVDFab Video Enhancer AI is your best video denoise software on Windows and Toolkit is your first choice to learn how to remove background noise from audio.

(2) Substitute original audio with new sound

In terms of background noise removal, another way for noise reduction in audio is to substitute original audio with new sound. And here you should assign this task to another denoiser named VideoCruise which is able to read all types of videos, audios and images. Now, let’s learn how to denoise video with this free software.

  • Download and install VideoCruise on Windows
  • Choose one aspect ratio (9:16; 16:9, 4:3, etc.)
  • Import a video you want to denoise and drag it to the timeline section
  • Select your video and right-click your mouse
  • Click “Audio Detach” and mute your video
  • Import a new audio track you want to substitute the original
  • Drag the new audio to the timeline section
  • Set the time and make the new audio matched with your video
  • Click the button of “Export” to denoise video and substitute the original audio with new one

4. Conclusion

There are many ways to denoise video. But before you start it, make sure you want noise reduction from video or noise removal in audio, as different aims need different support of noise reduction software. After clearing this point, you can denoise video images with DVDFab Video Enhancer AI automatically to get the best video, color, saturation, brightness and more. Or, you can denoise video featuring the audio noise with Toolkit to the largest extent. Moreover, you can replace the original audio with new one with VideoCruise, when you find a video recording especially noisy, so that you have to add new sound or speech to your file. And no matter which way you choose to denoise video, such software is free and easy-to-use.