Top Video Sound Enhancers to Improve Audio Quality: Full Review & Guide

High-quality audio is essential for engaging and professional videos, yet many creators struggle with poor sound due to equipment limitations or recording environments. Fortunately, a video sound enhancer can help enhance audio on video by improving clarity, reducing background noise, and boosting overall sound quality.

From best AI video audio enhancer software to sound enhancer online tools and video sound enhancer apps, the options available today cater to all skill levels and devices. keep reading to discover top-rated tools and expert tips to elevate your video audio experience.

Why You Need A Video Sound Enhancer?

We've all experienced videos where the picture looks great, but the sound is distracting—whether it's background noise, low volume, or unclear speech. A good video sound enhancer can help you:

• Make Your Message Clearer: No more muffled voices or hard-to-hear dialogue that detracts from your content.
• Save Your Videos from Poor Sound: Don't let bad audio ruin your hard work. Enhance video audio and give your videos a professional touch.
• Keep Viewers Engaged: Better audio keeps your audience watching longer and improves their experience.
• Boost Professionalism: Clear, polished sound elevates your videos' credibility and appeal.
• Suitable for Every Creator: Whether you're looking for a audio enhancer software, video sound enhancer app, or audio quality enhancer online, there's a tool that fits your needs.

There are many options available to improve your video's audio quality, ranging from advanced AI-powered programs such as UniFab Audio Upmix AI to web-based platforms like Flixier, as well as intuitive video editing software like VideoStudio Ultimate 2023. These solutions work by minimizing background noise, leveling audio volume, and enhancing sound clarity, resulting in clearer and more polished audio for your videos.

How to Choose a Video Audio Enhancer

Below is a practical guide to picking a video sound enhancer across software, online tools, and mobile apps.

Type 1: AI Video Sound Enhancer Software

Software runs locally on your computer. These tools apply AI to remove background noise, clarify speech, and (in UniFab's case) even upmix stereo to 5.1/7.1—ideal if you want pro-level sound without sending files to the cloud.

Pros

• Processing is local—no internet needed after install.

• Typically more powerful and faster (can use your GPU/CPU).

• More control over noise reduction, EQ, and output format.

• No file-size or length caps common to online tools.

Cons

• Requires download/installation and disk space.

• Best performance may need a capable PC (especially for GPU acceleration).

• Some learning curve for beginners.

• Free tiers may limit export options or advanced features.

Best for these scenarios Choose software if you:

• Process many clips or long videos and value speed/quality.

• Want maximum control and offline processing for privacy.

• Need surround upmix (e.g., EAC3 5.1 / DTS 7.1) for cinematic sound.

Great user groups

• Professional editors, YouTubers, podcasters with video, indie filmmakers.

• Hobbyists who want their archive or family videos to sound clean and consistent.

Top Picks (Desktop Software)

• UniFab Audio Upmix AI (Windows) — AI noise reduction, GPU-accelerated exports, and stereo → EAC3 5.1/DTS 7.1 upmix; 30-day free trial with full features and no watermark.

• VideoStudio Ultimate 2023 (Windows) — Beginner-friendly editor with audio ducking and voiceover tools; one-time license, free trial available.

• VideoProc Vlogger (Win/Mac/iOS) — Free editor with 10-band EQ, fades, and beats detection for basic stereo clean-ups.

Quick pick: If you want AI surround and fast batch work, start with UniFab's free trial; for basic stereo polishing on a budget, try VideoProc Vlogger.

Type 2: Online Free AI Video Sound Enhancer

Online video soundenhancers run in your browser. You upload a clip, the service runs AI in the cloud to remove noise, boost volume, and clarify voices—no install needed.

Pros

• No installation or storage requirements.

• Works on any device with a browser.

• Simple UIs—great for quick fixes.

• Free tiers available; paid plans unlock higher limits/features.

Cons

• File size/length limits on free plans.

• Requires stable, fast internet.

• Privacy considerations (uploads to third-party servers).

• Render speed depends on server load and connection.

• Batch processing can be limited.

Best for these scenarios Use online tools when you:

• Need a fast clean-up (noise reduction/volume boost) without installing software.

• Work with shorter clips for social media or quick turnarounds.

• Want to try AI enhancement before committing to desktop software.

Great user groups

• Social creators, freelancers on shared devices, or anyone who edits occasionally.

Top Free Online Picks

• Flixier Audio Enhancer — One-click AI noise removal and volume boost, plus text-to-speech for quick voiceovers.

• VEED.IO Volume Enhancer — AI denoise + multi-clip timeline to merge/split audio segments in-browser.

• Media.io Audio Enhancer — AI removes background noise and clarifies vocals; friendly for beginners.

Quick pick: For the fastest browser-based result, try Flixier or Media.io; if you need timeline control, VEED.IO is flexible.

Type 3: Video Sound Enhancer App

Mobile apps enhance audio directly on your phone—perfect for creators who shoot, edit, and publish from iOS/Android.

Pros

• On-the-go editing and instant fixes.

• Tight integration with your camera roll.

• Simple, intuitive sliders and presets.

• Built-in social sharing.

Cons

• Limited by phone hardware and battery.

• Free tiers may cap length or export quality.

• Ads/IAPs are common.

• Less granular than desktop tools for advanced mixing.

Best for these scenarios Pick a mobile app when you:

• Capture content on your phone and want quick cleanup (reduce wind/hiss, boost voice).

• Need to publish fast to TikTok/Reels/Shorts while traveling.

Great user groups

• Mobile-first creators, social video teams, vloggers on the move.

Top Free-to-Try Apps (iOS/Android)

• AudioFix: Video Volume Booster (iOS/Android) — Boost volume, denoise wind/hiss, 6-band EQ, extract or mute audio from video.

• Video Volume Amp, Bass Booster (iOS) — Up to 1500% volume boost with a speech booster for clearer dialog.

Quick pick: For the most control on mobile, start with AudioFix (6-band EQ + denoise). For blast-through loudness on iPhone, use Video Volume Amp.

Top Video Sound Enhancers: Quick Comparison

Here are top 3 Video Sound Enhancers:

• UniFab Audio Upmix AI: An advanced AI-powered software that upmixes stereo audio to immersive 5.1/7.1 surround sound with exceptional noise reduction and GPU acceleration. It's ideal for professionals and creators seeking cinematic audio quality with fast, precise processing. Its intuitive interface makes complex enhancements accessible to all skill levels!

• VideoStudio Ultimate 2023: A beginner-friendly yet feature-rich video editor offering audio ducking, voiceover tools, and built-in sound effects. It provides excellent value with a one-time purchase and suits creators looking for balanced audio improvements without requiring deep technical knowledge.

• Flixier Audio Enhancer: A convenient web-based tool that applies AI-driven volume boosts and noise removal with just one click. Perfect for quick online edits and easy voiceover integration, it fits users who want fast results without installing software, though it lacks professional surround sound features.

Choosing the right video sound enhancer can be overwhelming with so many options available. To help you make an informed decision, here's a quick comparison of some of the best video audio enhancers, including software, online tools, and mobile apps. This overview highlights their key features, pricing models, and platform compatibility to match different user needs.

Stay tuned as we dive deeper into each of these tools in the following sections.

Video Sound Enhancer Software [Windows & Mac]

Want to make the most out of video sound enhancement? Opt for a video sound enhancer softwarethat comes packed with all the features and can help you enhance video audio without any bottlenecks. Check out our top recommendations below: 

1. UniFab — Best for cinematic surround & clean dialog

Best for: Professionals needing AI-powered audio enhancer software with surround sound and AI noise reduction.

UniFab Audio Upmix AI can provide upgraded immersive audio by upmixing your video tracks to premium EAC3 5.1/DTS 7.1 surround sound. You can also create multiple output files by partitioning your video frames into various segments. The multi-technology powered video sound enhancer doesn't require manual intervention as it distributes the surrounding sound up to 8 channels. You can bank on UniFab to separate audio tracks precisely and retain sound clarity by placing them on the proper channels. 

Supported Platforms: Windows

Price: 30-day free trial for full features, without watermark. Yearly license costs $69.99 & Lifetime license costs $74.99.

User Experience: Users consistently praise UniFab for its intuitive interface and lightning-fast processing speeds enabled by GPU acceleration. Professionals highlight how the AI-powered noise reduction dramatically improves audio clarity without compromising natural sound quality. Many report that UniFab's multi-channel surround upmixing transforms simple stereo videos into cinematic experiences, making it ideal for film and high-end content production.
Why UniFab Stands Out: UniFab outperforms other enhancers with its advanced AI-driven spatial audio upmixing and unparalleled GPU acceleration, delivering professional 5.1/7.1 surround sound that no other consumer software currently matches. Its precise audio track separation and user-friendly operation offer a seamless experience for both novices and experts alike.

How to Enhance Sound on a Video with UniFab

2. VideoStudio Ultimate 2023 — Easy ducking & voiceover

Best for: Beginners and intermediate users looking for easy-to-use, comprehensive audio editing tools.

Transform everyday moments into cinematic masterpieces with VideoStudio Ultimate 2023. This video sound enhancer offers smart features and advanced tools for professional videos. Set audio cue points manually or automatically to sync with the beats. With 500+ songs in the library, you can mute, adjust, and layer them in the timeline, ensuring balanced audio levels and clear dialogue.

Supported Platforms: Windows

Price: $49.99

User Experience: Many users find VideoStudio Ultimate intuitive for beginners while appreciating the powerful tools for layering audio and syncing sound effects. Creators like vloggers enjoy its rich music library and voiceover capabilities, which simplify basic audio enhancements without steep learning curves.
Comparison to UniFab: Compared to UniFab, VideoStudio lacks advanced AI-powered surround sound upmixing, limiting its output to stereo mixes. While great for casual video editors, its noise reduction and spatial audio features are less sophisticated, making it less ideal for professional-grade audio enhancement.

3. iMovie — Free sound enhancer for Apple users

Best for: Casual users needing basic yet effective audio enhancements.

iMovie, a free video editing app for Mac and iOS, offers powerful audio enhancement tools. These include automatic audio improvement, volume boosting, background noise reduction (adjustable from 0% to 100%), and customizable equalizer presets to enhance vocals or adjust bass and treble. These features make it easy to refine audio quality in your videos seamlessly.

Supported Platforms: Mac, iOS

Price: Free

User Experience: Casual users appreciate iMovie's straightforward UI and straightforward audio tools for cleaning up videos quickly. Many Apple ecosystem users use it to polish family videos or casual content, citing its ease of use and smooth integration with other Apple apps.
Comparison to UniFab: iMovie lacks AI-based noise removal and surround sound features present in UniFab, restricting its effectiveness mainly to basic volume and EQ adjustments. It cannot deliver the professional spatial audio environment that UniFab provides for immersive sound quality.

4. VideoProc Vlogger — Free 10-band EQ

Best for: Users seeking a free, cross-platform video editor with audio customization options.

Create cinematic videos coupled with precise audio toning and editing using this video sound enhancer free by VideoProc. It presents three audio analysis modes that help with video editing intelligently. VideoProc Vlogger video sound enhancer comes with a 10-band audio equalizer that helps boost frequency bands as per preference. 

Supported Platforms: Windows, Mac, Android & iOS

Price: Free

User Experience: Users enjoy VideoProc Vlogger's no-cost, cross-device accessibility paired with solid audio customization. Beginners often cite its one-click EQ presets as useful, while semi-professionals value the robust equalizer and audio editing features integrated into a free package.
Comparison to UniFab: VideoProc does not support professional multi-channel surround upmixing or GPU acceleration, resulting in slower processing and more limited audio depth compared to UniFab. Its audio enhancements focus on stereo rather than spatial sound environments.

Video Sound Quality Enhancer [Online]

If you prefer not to install software, video sound enhancer online tools offer convenient, browser-based solutions to enhance your video audio quality quickly and easily. Here are some of the top options that let you enhance audio on videos directly from your web browser:

1. Flixier Audio Enhancer — One-click AI clarity in browser

Best for: Users needing quick edits with minimal setup and easy voiceover integration.

This video sound enhancer online can perform multiple audio adjustments with a single click to give you high-quality sound. Flixier allows you to easily add audio to your video file without worrying about copyright concerns. You can even record voice overs or opt for the text-to-speech feature to get more naturalistic results. All it takes is a single click to ensure uniform sound in your entire video and add more high notes or bass using the built-in equalizer. 

Supported Platforms: Web-based

Price: You can start for free with limited functionality and upgrade to the Pro plan at $14/month or the Business plan at $29.99/month.

User Experience: Users praise Flixier for its ease of use and quick turnaround times, especially appreciating the built-in text-to-speech for adding natural voiceovers without complicated setups. Its cloud-based processing works well for creators needing a fast solution without installation.
Comparison to UniFab: While Flixier handles noise removal effectively, it lacks UniFab's high-fidelity surround sound capabilities and hardware acceleration, resulting in less immersive audio output and slower processing for larger files.

2. VEED.IO — Multi-clip audio editing online

Best for: Creators focused on detailed audio mixing and multi-clip management in-browser.

Are you searching for a video sound quality enhancer online? You can try VEED.IO, which helps amp up video volume directly from your browser. You can carry out further editing by removing the original audio track. With VEED.IO, you can combine, split, and rearrange audio tracks using drag-and-drop functionality. 

Supported Platforms: Web-based

Price: You can start for free with limited functionality and upgrade to the Lite plan at $12/month/user, the Pro plan at $29/month/user, or the Enterprise plan.

User Experience: VEED.IO users like the flexibility of multi-clip audio editing and easy drag-and-drop interface. It suits creators who prefer browser-based tools without software installs, delivering solid noise cancellation and volume amplification for social media clips.
Comparison to UniFab: VEED.IO's audio enhancements are primarily stereo-level and limited by browser processing power, lacking UniFab's AI-powered surround upmixing and GPU speed boosts, which means it cannot match UniFab's audio quality or efficiency for professional needs.

3. KAPWING — Good audio enhancer for beginner

Best for: Users with frequent, bulk audio processing needs who want simple yet powerful tools.

This AI video sound enhancer makes it easy to improve sound quality with a single click, improving speech clarity and correcting volume levels. With KAPWING, you can add awesome sound effects to your tracks. It supports bulk uploads for lengthy files, saving you time with batch processing. 

Supported Platforms: Web-based

Price: You can start for free with limited functionality and upgrade to the Pro plan at $16/month/user, the Business plan at $50/month/user, or the Enterprise plan.

User Experience: Content creators handling numerous videos benefit from KAPWING's bulk upload and smart silence removal. Users highlight its straightforward volume boost slider and extensive sound effect library as valuable for batch processing needs.
Comparison to UniFab: KAPWING focuses on convenience over advanced surround sound features. It does not offer the same AI spatial audio upmixing as UniFab, making it less suitable for projects demanding cinematic soundscapes.

4. Media.IO Audio Enhancer — Friendly UI for quick fixes

Best for: Beginners seeking an accessible and intuitive platform for quick audio fixes.

Are you searching for a free video sound enhancer? You can try out Media.IO Audio Enhancer, which banks on advanced AI tech to make your music tracks and vocals sound better. It can identify and analyze sound signals to isolate sounds and optimize the level of richness and clarity. Media.IO is easy to use even when you lack prior audio editing skills.  

Supported Platforms: Web-based, Windows & Mac

Price: You can start for free with limited functionality and upgrade to the Standard plan at $6.99/month and the Premium plan at $12.99/month.

User Experience: Beginners value Media.IO for its friendly UI and effective one-click noise removal and vocal extraction, often using it for quick soundtrack clean-ups or podcast audio polishing.
Comparison to UniFab: Media.IO lacks UniFab’s multi-channel surround sound and professional hardware acceleration; it is designed more for quick fixes than deep audio enhancement, limiting audio quality improvements for demanding productions.

Video Sound Enhancer [APP]

Mobile apps for video sound enhancement have become increasingly popular due to the convenience of editing on the go. These video enhancer apps offer varied features from simple volume boosting to advanced noise reduction and equalizer controls.

1. AudioFix: Video Volume Booster 

Best for: Users looking for easy-to-use, hands-on control over video sound on their smartphones.

By banking on this video sound enhancer app, you can now enjoy professional-grade audio with crystal-clear sound. You can choose from different options like noise reduction, audio editing, and volume boost as per your requirements. Coupled with an adjustable equalizer, it becomes easy to alter the Q and gain of a frequency band. 

Supported Platforms: Android& iOS

Price: In-app purchases ranging from $1.77 to $11.67

User Experience: Mobile users appreciate AudioFix's 6-band EQ control that enables precise frequency adjustments on the go. Many note its effectiveness in removing wind and hiss, making handheld recordings sound much cleaner before sharing.
Comparison to UniFab: As a mobile app, AudioFix cannot match UniFab's advanced AI processing or surround sound upmixing, but it excels in quick volume and noise fixes for users without access to desktop software.

2. Video Volume Amp, Bass Booster

Best for: iOS users focused on significant volume boosting and voice-centric audio enhancements.

Video Volume Amp, Bass Booster is a video sound enhancer app compatible with all popular video formats, such as MOV, MP4, FLV, etc. This tool can boost the bass and treble frequencies up to 1500%. Its speech booster features help reduce unwanted noises like knocks, hiss, wind, hums, etc., to bring the focus to the speaker's voice. 

Supported Platforms: iOS

Price: You can start for free with limited functionality and upgrade to the Pro plan at $17.99/month. 

User Experience: Mobile users appreciate AudioFix’s 6-band EQ control that enables precise frequency adjustments on the go. Many note its effectiveness in removing wind and hiss, making handheld recordings sound much cleaner before sharing.
Comparison to UniFab: As a mobile app, AudioFix cannot match UniFab’s advanced AI processing or surround sound upmixing, but it excels in quick volume and noise fixes for users without access to desktop software.
Compared with UniFab, this app is volume-cent

Expert Tips to Improve Your Video Sound Quality

• Use high-quality microphones to minimize noise at recording

• Always monitor audio during recording for issues

• Remove background noise in post-production with AI enhancers

• Balance volume levels throughout your video for consistent sound

• Consider adding spatial effects like surround sound for immersive experience

Quick guide to choose the right video sound enhancer

• For professional surround sound and AI-powered noise reduction: Choose UniFab Audio Upmix AI.

• For beginner-friendly, all-in-one video editing with audio tools: Use VideoStudio Ultimate 2023.

• For quick, browser-based audio enhancement and voiceover: Try Flixier Audio Enhancer.

• For free, cross-platform video editing with customizable EQ: Opt for VideoProc Vlogger.

• For mobile volume boosting and noise reduction on the go: Select AudioFix: Video Volume Booster (Android & iOS) or Video Volume Amp, Bass Booster (iOS).

Conclusion

The best video sound enhancer depends on your needs and device. For professional audio and advanced features, UniFab Audio Upmix AI is the top choice. If you want quick online fixes, tools like Flixier or VEED.IO work well. Mobile users can opt for apps like AudioFix or Video Volume Amp for easy sound boosts on the go. Choose the right tool to improve your video's sound quality and viewer experience.

FAQs about Video Sound Enhancer

Can a video sound enhancer fix severely distorted audio?

While a video sound enhancer can significantly improve audio quality, its ability to fix severely distorted audio depends on the severity of the issue and the quality of the tool being used. In some cases, heavily distorted audio may only be partially recoverable.

Do I need professional skills to use a video sound enhancer?

Many tools, like UniFab Audio Upmix AI, are designed for users with little technical expertise, offering user-friendly interfaces and presets for easy adjustments.

Can Adobe enhance video sound quality?

Yes, Adobe can enhance audio on video. Adobe video sound enhancer offers advanced features like noise reduction, sound leveling, and more. For more insights into Adobe's audio solutions and some great alternatives, check Adobe Audio Enhancer.

How to improve sound quality of a recorded video free?

You can improve video sound quality online free by using online video sound enhancers or video audio enhancer apps. These tools help reduce background noise, boost volume, and enhance clarity effortlessly. If you want a more professional desktop solution, we recommend UniFab's AI video audio enhancer, which offers a 30-day free trial with full features and no watermarks.

How to enhance sound on a video?

To enhance sound on a video, use a video sound enhancer or audio enhancer software that offers noise reduction, volume boosting, and audio clarity improvements. Start by uploading your video to an online tool or app, or use desktop software like UniFab Audio Upmix AI for advanced AI-powered enhancements. Adjust settings such as equalization and background noise removal, then preview and save the improved audio. These tools make it easy to enhance video audio quality, even for beginners.