Why denoise video? It is not easy to record a video with clean audio especially in a noisy environment since the microphone is very sensitive to ventilation noise like computer fans and urgent breath. So zero noise in video record is almost impossible. Then instead of exploring how to keep sound clean and clear in video recording, how about learning how to do video denoise. There are numerous video noise reduction software and audio noise reduction software free for your reference.

1. Video Noise vs. Audio Noise

Simply put, “denoise” is noise reduction. But, 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 require different denoise software. 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 the best noise reduction software, 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 AI

This Video denoise software is compatible with Windows as an open-source program. In a near future, it will also upgrade to be the best noise reduction software for Mac. You can get it launched fast on your computer without any worries about viruses.

 i  Free Download  

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”. Then, this free video denoise will analyze your file fast.

Denoise Video

Step 3: Set “AI Models” and “Output”

There are three AI Models in this best denoise software, including For Movie Video, For Home Video, and For Web Video. The output video 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.

Video Denoise

Step 4: Start to denoise video

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

3. Noise Removal in Audio

Apart from how to remove background noise from video, noise removal in audio also deserves your attention, as removing background noise from audio is a hot issue, especially in video recording. In the face of the noisy sound in a video, you have two choices: denoise through noise reduction in audio; substitute original audio with a 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 the GoPro video as an example. As is known to us, GoPro videos are full of 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 the best audio noise reduction software free for help.

 i  Free Download  

  • 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 to save your file after video noise reduction
  • Start to remove noise from video with this voice reduction software

Remove Noise from Video

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 it is more than video noise reduction software free. You can use it to convert MKV to MP4, and to merge, crop, rotate videos as well.

Since Toolkit is only available on Windows, if you want to denoise video on Mac, turn to Audacity noise removal, and here is 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”

Audacity Noise Removal

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. Each of them is a good class act in free video noise reduction.

(2) Substitute original audio with a new sound

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

 i  Free Download  

  • 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 “Export” to denoise video and substitute the original audio with the new one

Denoise: Best Noise Reduction Software

VideoCruise is more than a free video noise reduction tool, which can also be used to convert image to video, convert video to audio, or change video and audio format based on your needs. There are many editing options in this video denoise program, like split, mosaic, crop, zoom, record cutout, green screen, filters, text, overlays, transitions, etc. 

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 a 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.

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