4 Best Free Video Sound Editors to Edit Video Audio

Best Video Sound Editor at a Glance

• MiniTool MovieMaker
• VSDC Video Editor
• Kapwing
• Clipchamp

Here is a concise comparison table of these tools.

Quick video guide:

Video Sound Editing Tips

Video audio editing is an essential step in video post-production. How to edit video audio with a video sound editor? Below are several audio editing tips for you:

• Fade in/fade out: Fade-in and fade-out effects help smooth audio transitions.
• Make video audio louder or quieter: The volume of a video is very low or very loud, so you need to increase or decrease the video volume.
• Remove a portion of audio from video: A video contains dialogue that you wish to mute.
• Add sound effects: The sound effect is of great importance in film, game, etc. It enhances your video and engages your audience.

MiniTool MovieMaker

MiniTool MovieMaker is a free video sound editor with a simple and intuitive interface. It’s mainly designed for video editing. It features basic and advanced editing functions, such as splitting, trimming, muting, reversing, zooming, etc. With a wide range of video format support, you can import videos in any popular format without conversions.

As a video voice editor, it lets you edit video voice by applying fade-in and fade-out effects, adjusting its volume, and muting. You can also use it to slow down, speed up, and reverse audio

Additionally, with its multitrack editing feature, you can create picture-in-picture effects as well as add filters, effects, and elements on different tracks for finer editing.

MiniTool MovieMaker

• Split and trim videos to remove redundance.

• Change video aspect ratio to match screen sizes.

• Add bubble texts, bgm, transitions, and more effects.

• Create PiP or split-screen videos by multitrack editing.

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Here is how to edit audio in the video.

Fast track steps:

1. Install and launch MiniTool MovieMaker.
2. Import the target video file.
3. Edit the video properties.
4. Edit the original audio.
5. Add sound effects.
6. Export the video.

1. Import the video

After installation, launch the video sound editor and close the pop-up window or click New Project to access its main interface. In the Media tab, import the video that you want to edit the sound of. Drag and drop the video to the timeline or click the + on the video thumbnail to add it.

2. Edit the video properties

Then the Video Property panel appears on the left side of the window. Four options are offered in the Video Property panel: Basic, Color, Rotation, Speed, Audio. You can adjust the contrast, saturation, and brightness of the video, change the orientation of the video, alter the video playback speed, and edit the video audio.

3. Edit audio in the video

Go to the Audio tab. Then you can fade in and fade out audio, make audio louder or quieter, and remove a portion of audio from the video.

• Fade in & fade out audio: Set a specific time for fade-in and fade-out by using the Fade in and Fade out sliders.
• Adjust the volume of audio: Move the Volume slider to the left/right to decrease/increase the volume of the video.

4. Add sound effects

Go to Audio at the top and click Sound Effects on the left sidebar. Download a sound effect and add it to the timeline.

5. Mute a part of the video

Move the playhead to a new position where you want to split. Click the Split icon on the playhead to split the video into two parts. Choose the desired clip needed to be muted, and click the speaker icon in the Audio tab.

6. Export the video

If you’re happy with the result, click Export above the preview window. In the Export window, change the file name, output format, destination folder, and resolution according to your needs. In the end, click the Export button.

VSDC Video Editor

VSDC Video Editor is a powerful video sound editor for Windows. The basic audio editing functions include cutting, pasting, copying, deleting, splitting, and trimming.

With this software, you can separate the audio track from your video footage, create voice over for your video, change the audio’s tempo and pitch, and so on. It offers many audio filters like LowPass, HighPass, Notch, BandPass, Equalize, Gate, and more.

VSDC Video Editor has two versions: a FREE version and a PRO version. The FREE version has all the basic audio editing tools and allows you to apply audio effects. But some features like voice-over, audio waveform, and beat editing are only available with the PRO version.

Here’s how to edit video sound using VSDC Video Editor.

Fast track steps:

1. Download and install VSDC Video Editor.
2. Start a project and add the desired video file.
3. Separate audio from the video.
4. Split, trim, or add audio effects.
5. Save the video.

1. Download and install

Download and install VSDC Free Video Editor on the computer.

2. Import a video

Open the software and click Blank Project. In the project settings, enter the project title, set the width and height, etc. Click Finish.

Click Editor in the top menu bar and go to Add object > Video. Select the video that you want to edit its audio and click Open > OK.

3. Detach the audio

In the Properties window, click the Split to video and audio button to detach audio from the video.

4. Edit the audio

After separating the audio track from the video, you can split/trim audio or apply audio effects.

• Split audio: Choose the audio track and place the playhead where you want to split. Click Editor and select the Split into parts tool in the Tools tab.
• Trim audio: Go to Editor > Tools, and click the down arrow next to the scissor icon. Then choose Trim start (Ctrl + Shift + [) or Trim end (Ctrl + Shift + ]).
• Apply audio effects: To add audio effects, click Editor > Audio effects and select the desired effect (Fade in/Fade out/Silence) to apply. Or right-click the audio track and choose Audio effects to select an audio effect for your audio.

5. Save the video

Click Export project, click Web > To MP4. Then click the Export project button to continue. When the process is complete, open your output folder to find it.

Kapwing

Kapwing is a great online video editor that can be used to edit video sound, edit GIFs, and create memes. It lets you cut, paste, trim, split, reverse, copy, delete audio, increase or decrease volume, and change audio speed.

Users can use Kapwing for free with no sign-up required. But it will put watermarks on output videos. If you want a watermark-free video, you’ll need to create an account for Kapwing.

Here is how to edit audio in the video with Kapwing.

Fast track steps:

1. Upload the target video to Kapwing.
2. Detach audio from the video.
3. Split and trim the detached audio, change the volume, add effects, etc.
4. Save and download the video.

1. Upload a video to Kapwing

Go to the Kapwing website and click Sign in. Sign in with your Google account or Facebook account. Click + New Content and upload your video from the computer or by entering the video URL.

2. Detach audio

Right-click the video in the timeline and choose Detach Audio. Or press “Ctrl + Shift + A”.

3. Edit the detached audio

You can edit the video sound by splitting, trimming, etc.

Split audio: Drag the playhead to the desired location, right-click the audio track and choose Split. Or press the S key to split the audio clip.

Trim audio: To trim the beginning or end of the audio, drag the start or end point of the audio clip to the center of the clip.

Change volume: Drag the volume slider to the right to increase the volume; drag the slider to the left to lower the volume.

Add audio effects: In the right panel, tap on EFFECTS. To apply fade effects to audio, click Fade, select the desired fade speed, and click Both. To apply a reverse effect to audio, click Reverse.

4. Export the video

After you finish editing the video sound, click the Export Video button. In the end, download the video.

Clipchamp

Another online video sound editor is Clipchamp. It supports all the basic audio editing functions and comes with a large collection of stock images, videos, and music. It’s an awesome video audio editor. The free version supports exporting video in 1080p without watermarks.

How to edit audio in the video?

Fast track steps:

1. Upload a video to Clipchamp.
2. Detach audio from the video.
3. Edit the audio.
4. Export the video.

1. Upload a Video

Go to the Clipchamp website and sign in with your account. Click Create a new video to enter the main layout, and click Import media to upload the target video. Then, add the video to the timeline.

2. Detach audio

Select the video on the timeline and click Audio on the right sidebar. Next, click Detach audio to separate the audio track from the video.

3. Edit the audio

Choose the audio track on the timeline.

Split audio: Right-click the audio track and choose Split. Or click the scissor icon above the timeline.

Fade audio: Make sure that the audio is chosen. Click Fade in the top menu bar and set the duration for fade-in and fade-out effects

Change volume: Click Audio next to the Fade button, and use the slider to increase or decrease the volume.

4. Export the video

Click the Export button in the upper right corner, select a video resolution 1080p or 720p, and click Export again to start processing the video.

Conclusion

Now, you’ve learned 4 video sound editing tips and how to edit video audio with the 4 best free video sound editors. Choose one and give it a try!

If you have any questions or suggestions about MiniTool MovieMaker, send your email to [email protected].

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