Top 5 Video Audio Fixer: Repair Corrupt or Unplayable Sound

There are noises around when recording a video; the storage device is corrupted, the video is uploaded with an error, some clips are lost, etc. All these issues happen from time to time. They can cause your video's audio to be muffled, delayed, low volume, or even not be played properly at all.Do I have to re-record or make a new video? Don't worry, you don't have to. Nowadays, there are many professional video and audio fixers that can help you solve the above problems. We've picked 5 top ones from them and taught you how to operate them for you. Whether you prefer a more stable desktop software or a more flexible online platform, you can pick the best one for you here.

Part 1. Video Sound Editing Tips

Let's take a look at a few points that you can pay special attention to when creating and editing video audio. By doing the following points, you can definitely get the highest quality sound possible. Next time, you can avoid the problem of audio glitches again.

Use A Professional Video Audio Editor

The audio processing tool you use will definitely affect the final result. Good tools have many presets and detailed customization settings. Video sound editors like Audacity are good enough for everyday needs. If you want to take your audio results a step further overall, try a professional program like Adobe Audition. It's pricey, though, and you'll need a longer time to get used to the various operations.

Using Fade-In or Fade-Out Effects

When creating video audio, it's important to ensure smooth sound and natural transitions. If you suddenly switch the audio, it may be harsh. Therefore, try using fade-in or fade-out effects between different clips or cross-fade them.

Adjusting Volume

First, you need to ensure that the audio volume in a video is always consistent, without sudden amplification and reduction. If someone is talking in your video, be sure to adjust the fade-in and fade-out effects for the background music so that the music doesn't overpower the vocals.

Part 2. 5 Best Video Audio Fixers in 2025

What if my video and audio don't match up? If you've ruled out problems with your player, device, audio settings, etc., your video audio is likely malfunctioning. Don't worry. Let's see what tools can help.

Vidmore Video Fix

The first thing that comes to our attention is the Vidmore Video Fix. This is video repair software for Windows and Mac that can fix corrupted videos in minutes. You don't need to have coding or software knowledge. With just two clicks, upload the corrupted video and a sample video for reference, and Vidmore Video Fix will do everything quickly.

• Fix videos that have issues like unplayable, black screen, blurry picture, no sound, delayed audio, lagging, and more.

• Repair corrupted files during conversion, editing, transfer, recovery, etc.

• Supports fixing videos from any device such as iPhone, Samsung, camera, GoPro, drone, computer, hard disk, and more.

• Allows you to preview the repaired video to check the effect.

Here is how to fix audio in a video with Vidmore Video Fix.

Step 1. Download and install Vidmore Video Fix on your computer. Enter its main interface, and you will see two plus buttons.

Step 2. Click on the red plus button to load your corrupted video.

Then, click the blue one to add the sample video.

Note: The sample video and the damaged video should be from the same platform or shot with the same equipment. Both should have consistent formats.

Step 3. After loading the two videos, click Repair.

The fixing process will be over soon. Click Preview to check the result. Finally, press Save.

Vidmore Video Fix is extremely fast. The key is that it helps you solve the problem within two clicks. It is friendly whether you are a professional or a novice.

Stellar Repair for Video

There is a very irritating situation: you store a lot of videos on one device and it suddenly gets corrupted. Unfortunately, all these files may be affected.

At this point, choose Stellar Repair for Video as your assistant. It supports repairing multiple videos with different formats at the same time. The files you upload can be in the form of MP4, AVI, MOV, MKV, WEBM, WMV, M4V, etc., and the definition can be as high as 4K, 8K, or even 16K.

Here is how to fix audio in a video with Stellar Repair for Video.

Step 1. Download and install Stellar Repair for Video on your computer.

Step 2. Open it, and click Add Videos to upload your broken files.

Step 3. Click Repair to start fixing.

When the repair process is over, click Preview to check the results. Then, click Save Repaired Files to download them.

The program also has a hidden advanced feature: recovery of photos and videos that have been deleted. Stellar Repair for Video is too all-in-one for the professional video producer or photographer.

Wondershare Repairit

Let's take a look at one more desktop video repair expert - Wondershare Repairit. This software is suitable for more than 500 scenarios where video data is damaged and supports more than 20 popular video formats. It also supports batch repair of videos up to 8K, but it's the gyroscope data repair feature that really caught our attention. This feature is specially designed for GoPro sports camera video repair and allows you to make extremely fine stabilization and parameter adjustments.

Here is how to fix audio delay or video files with Wondershare Repairit.

Step 1. Download and install Wondershare Repairit on your computer.

Step 2. Go to the Video Repair tab. Click Start to upload your corrupted video.

Step 3. Select videos you want to repair. Then, click Repair.

Now, you can preview the fixed video with sound. If everything is OK, click Save.

Keep exploring, and we can still find surprises. Wondershare Repairit also offers AI video enhancement. You can fix the audio while upgrading the video picture to make it more HD, stable, and noise-free.

Clever Online Video Repair

While the above desktop software is comprehensive and powerful, you'll have to complete the download and installation steps before you can start repairing. If you have an urgent task, we recommend using an online video audio fixer like Clever Online Video Repair.

It can repair up to 10 damaged videos simultaneously for free, and supported file formats include MP4, M4A, MOV, F4A, F4B, and H.264 and H.265 codecs. Note, however, that you can't upload more than 5GB of a single video.

Here is how to repair video audio with Clever Online Video Repair.

Step 1. Launch Clever Online Video Repair with your browser.

Step 2. Press Choose file, and select the corrupted video you want to repair.

Next, press Choose file to upload the sample video. The sample video and the damaged video should be captured using the same equipment.

Step 3. Log in with your Google or Apple account. Then, the fixing process will start.

When everything is over, click Download.

The biggest advantage of Clever Online Video Repair is its fast startup. It's also official that they are expanding the range of codecs supported. In the future, it will offer even more possibilities for fixing the unable to play video error.

VEED.io AI Audio Fixer

If your video audio still plays fine but has weak volume or too much noise, we recommend using If your video audio still plays fine but has weak volume or too much noise, we recommend using VEED.io AI Audio Fixer. It can eliminate background noise in your video online and solve the problem of unbalanced volume. What's special about this tool is that it automatically cuts out unnecessary filler words in the audio, such as uh, ah, etc.

Here is how to fix blurry audio with VEED.io AI Audio Fixer.

Step 1. Open VEED.io AI Audio Fixer with your browser. Click Upload a File to add the video you want to edit. You will be brought to the workspace.

Step 2. Choose the Audio tab on the left side of the screen.

Step 3. Click Magic Tools > Clean Audio/Remove Silence.

Step 4. When the editing is over, click Done.

VEED.io uses AI to do the editing for you. You don't need to make any adjustments manually. However, some of its features can only be unlocked with a premium subscription.

Part 3. FAQs of Video Audio Fixer

How do you fix the audio quality of a video?

If the sound quality is poor, you can use audio enhancers to remove the noise. If it's a video or audio error, you can let Vidmore Video Fix repair the damaged file.

Is there a way to fix the audio and video that are out of sync?

Many multimedia players offer audio delay settings. You can try to adjust them. Alternatively, switch to a different internet connection and open your video using another player.

How can I make my audio sound better?

Choose a quiet, noise-free environment right at the time of recording. The more professional the microphone you use, the higher the quality of the audio you will get. After you finish recording, you can use an audio/video editor or intensifier to remove noise and delay.

Conclusion

This article recommends the five best video audio fixers that can stop you from being annoyed by videos with no sound, too much noise, or too low a volume. The 3 desktop software, including Vidmore Video Fix, will provide you with the most stable service. The two online platforms at the back are the best assistants to help you accomplish urgent tasks.