9 Best AI Audio Enhancement Tools Compared

The best AI audio enhancement tool depends on what is wrong with your recording. Adobe Podcast's Enhance Speech is the quickest free fix for spoken audio, Auphonic suits podcasters who want noise reduction, leveling and loudness handled in one automated pass, and Descript fits people who edit as well as clean. Krisp is the odd one out: it cleans live calls, not finished files.

AI can't add what the microphone never captured, but it's remarkably good at removing background noise, echo and uneven levels after the fact. The tools below do that job in different ways and bill for it in different ways, and the billing model is often what really decides the cost.

What are AI audio enhancement tools?

AI audio enhancement tools use machine-learning models to clean up and improve recorded or live audio. Most of them remove background noise and reverb, some rebuild the voice so it sounds closer to a studio recording, and a few also level volume, normalize loudness or cut filler words and silence. Music generation, voiceover and transcription-only tools sit outside this list.

The table below maps each tool to the jobs its own pages list. "No" means the vendor doesn't list that feature, not that it can't exist.

How do these tools charge?

Pricing models differ more than the price tags do, so check which one a tool uses before you compare numbers. A cheap plan can be genuinely expensive if it's measured in the wrong unit. Four patterns show up on this list.

Auphonic, Cleanvoice and Descript sell hours: a monthly allowance of processed audio or media time. Audo and ElevenLabs charge per minute of audio, through credits that you draw down. Krisp charges per user per month, because it's built for people on calls rather than for files. iZotope RX is a one-time licence for desktop software, which is the only model here without a recurring fee.

For a weekly podcast, an hours-based plan is usually the easiest to predict. For occasional clips, per-minute credits that don't expire are often cheaper, since you won't pay for hours you don't use.

How do I choose an AI audio enhancement tool?

To choose an AI audio enhancement tool, start with what's wrong with the audio. Background hiss and room echo are a noise and reverb job. Uneven volume between speakers is a leveling job. Ums and long pauses are an editing job. Music bleeding under a voice is an isolation job.

Then check three things on every pricing page: how the tool measures usage (hours, credits or seats), what the free option actually lets you download, and whether you need an API or a plugin for your workflow. Those details move the real cost more than the headline price, and they're easy to miss.

The 9 best AI audio enhancement tools (compared)

Every price and feature below comes from the vendor's own pricing or product page, and we checked them all on October 27, 2026. Prices change often, and some vendors show different currencies by region, so treat the numbers as a snapshot and confirm them before you buy. Frankly, that goes for every software roundup.

The ranking weighs how many cleanup jobs a tool covers, how clear the pricing is and how useful the free option is. It's an editorial ranking, not a lab test: we didn't run listening tests, and nothing here rates audio quality. Use the table to pick by job, then read each entry's limits before you commit.

1. Adobe Podcast: Best free quick fix for spoken audio

Adobe Podcast puts its Enhance Speech tool behind a free Adobe account, which makes it the quickest way to test whether AI enhancement fixes your recording at all. Adobe says the result sounds as if the voice was recorded in a professional podcasting studio, and that the tool fixes problems after the fact without a perfect mic.

Pricing: Enhance Speech itself costs nothing to start. Video support, bulk upload, adjustable strength and longer files sit in Adobe Podcast Premium, which Adobe bundles into its Firefly Pro plan. Adobe's German plans page showed Firefly Pro at €21.99 per month including VAT; the price will differ by region and Adobe doesn't state a US figure on the page we read.

What it adds: Premium lets you balance speech, music and ambience for a more natural sound, and the page lists up to 4 hours of enhancement a day with files up to 2 hours long and 1 GB. Adobe also offers a browser-based Studio for recording and editing, which it labels beta.

Strengths: No installation and no settings to learn for the free tool. It's a good first test of whether AI enhancement fixes your problem at all.

Limitations: Free Enhance Speech is audio only, with no bulk upload and no strength control. Adobe doesn't list loudness normalization, filler word removal or an API on the page we read, so it handles one job, but it's a simple job to hand over.

2. Auphonic: Best for automated podcast post-production

Auphonic bundles the jobs a podcast episode usually needs into one automated pass: noise and reverb reduction, an adaptive leveler, loudness targets and filler word and silence cutting. You upload a file, choose the algorithms and get a processed file back. Auphonic says its free plan gives you 2 hours of processed audio per month.

Pricing: The Free plan includes 2 hours of processed audio a month, and free productions come with an Auphonic jingle. Recurring plans reset every month and run from the S plan (9 hours a month, $13 monthly or $11 per month billed yearly) up to XXL at 250 hours. One-time credits start at 5 hours for $12, never expire and are used after recurring credits. Prices exclude VAT, and the page also shows euro prices.

What it adds: The Intelligent Leveler corrects level differences between speakers and between music and speech. Loudness targets follow standards Auphonic names, including EBU R128 and Spotify. Its Studio Voice model reconstructs a cleaner voice and repairs compression artifacts or clipped voices. Auphonic also lists a free API and a free command-line tool.

Strengths: The widest set of cleanup jobs among the pure audio tools on this list, plus an API, a CLI and integrations with Dropbox, Google Drive and publishing services, which is quite rare at this price. The free plan covers every core algorithm, not a cut-down version.

Limitations: It isn't an editor, so you can't fix a single word by hand, and that's the trade-off for automation. Multilingual speech recognition and automatic shownotes and chapters need a paid plan, watch folders and batch productions are paid features, and multitrack productions on the free plan must be under 20 minutes. Recurring credits don't roll over.

3. Descript: Best for editing with Studio Sound

Descript is an audio and video editor first, and Studio Sound is the one-click enhancement inside it. Descript describes Studio Sound as isolating your audio and then regenerating it, which it says removes background noise and echoes and gives studio-quality sound without a professional setup.

Pricing: The free plan includes 60 media minutes a month and lists Studio Sound as limited. Hobbyist costs $24 per person per month, or $16 billed annually, with 10 media hours and 400 AI credits a month. Creator is $35 monthly or $24 billed annually, and Business is $65 monthly or $50 billed annually. Descript lists dollar prices without naming the currency. Studio Sound uses AI credits.

What it adds: Remove Filler Words sits in the same AI toolkit, alongside text-based editing, so you can cut ums while you fix the sound. Descript says Studio Sound works with any file you can upload.

Strengths: Editing and enhancement in one place, which is the right shape if you cut interviews or video. Studio Sound is one click.

Limitations: It's the most expensive entry here for someone who only wants cleanup, since you pay for a full editor, although the editing is the point for many people. Descript doesn't list loudness normalization, an API or file length limits for Studio Sound on the pages we read.

4. Cleanvoice: Best for filler words and noise in one pass

Cleanvoice is built for spoken-word recordings, and it combines a filler word, stutter and long-pause remover with a background noise remover and an audio enhancer it calls Studio Sound. It also removes mouth sounds and breaths, and supports video podcasts.

Pricing: New accounts get 30 minutes free with no card. Subscriptions are $11 a month for 10 hours, $28 for 30 hours and $90 for 100 hours. Pay-as-you-go packs cost $11 for 5 hours, $20 for 10 hours and $45 for 30 hours, and those credits stay valid for 2 years. All plans include all features, and prices exclude VAT. The page header also says plans start from €10 a month, so currency can differ at checkout.

What it adds: Multitrack editing applies cuts to every speaker track, timeline export gives you markers for Audacity, Adobe Audition, REAPER and DaVinci Resolve, and a REST API with Python and JavaScript SDKs is available.

Strengths: Every plan includes every feature, so you never need to upgrade for a specific tool. Unused subscription credits roll over, up to three times your plan limit.

Limitations: It's built around cuts, so it's less of a fit if you only need a gentle noise pass, however good the cutting is. Cleanvoice says original and edited files are stored for 7 days, and the web app's file length limit isn't stated.

5. Audo: Best pay-as-you-go option

Audo charges by the minute with no subscription. One credit equals one cent, and the home page quotes $0.05 a minute for noise removal and for voice enhancement. Other tools on the site include leveling speakers, setting loudness, removing filler words and silence, splitting stems and transcribing in 60 languages.

Pricing: Each tool has a free portion of a file and a daily cap: for noise removal and voice enhancement that's the first minute, 3 uses a day, with no sign-up needed. Credit packs run $5 (first purchase only), $10, $25, $50 and $100, and purchased credits don't expire. Noise removal and voice enhancement cost 5 credits a minute, filler word removal 3 and leveling 2.

What it adds: A strength slider on the voice enhancer, from Subtle to Full. A REST API with a free tier for the first part of each file, plus an MCP server for AI assistants such as ChatGPT, Claude and Cursor. Files can be up to 10 GB and 10 hours.

Strengths: The price of each job is shown before you run it, so nothing surprises you at the end of the month. Irregular users and developers who want an API will like that.

Limitations: There's no recurring allowance, so heavy weekly use costs more than an hours-based plan, but occasional use is cheap. Audo says uploads are deleted after 24 hours, and it doesn't list which languages noise removal supports.

6. ElevenLabs Voice Isolator: Best for pulling speech out of loud noise

ElevenLabs Voice Isolator removes ambient noise, mic feedback, street sounds, background chatter, reverb and background music, and extracts the speech in a single pass. ElevenLabs says no manual cleanup or plugins are needed.

Pricing: The Free plan costs $0 and allows personal use only. Starter is $6 a month (a first-month price of $1 appears on the pricing card), Creator is $22 and Pro is $99. The voice isolator page lists roughly 10 minutes of isolation on Free and 30 on Starter, drawn from the plan's credit allowance. Prices appear in dollars without a currency code.

What it adds: Each file can be up to 1 hour and 500 MB, with audio and video formats accepted. The model is available through the ElevenLabs API.

Strengths: Strong at heavy background noise and voices buried under music, and it's easy to automate through the API.

Limitations: ElevenLabs says the tool isn't designed or optimized for isolating vocals from music, so don't use it as a stem splitter. It adds no leveling or loudness tools, and a free plan is limited to personal use.

7. LALAL.AI: Best for removing music behind a voice

LALAL.AI started as a stem splitter, and its Voice Cleaner is the relevant tool here. It removes background music, vocal plosives, mic rumble and other unwanted noise while keeping the voice. A Noise Canceling Level setting offers Mild, Normal and Aggressive, and a De-Echo switch reduces echo and reverb.

Pricing: The Starter plan is free, with 10 minutes in the relaxed queue, files up to 200 MB and no full downloads. Lite costs €6.75 a month billed annually (€81 a year), with 90 fast-queue minutes a month and files up to 2 GB. A higher Pro plan exists, and promotional discounts were running on the pricing page, so check the live price.

What it adds: A preview before you process the full file, desktop apps for Windows, macOS and Linux, mobile apps for iOS and Android, and stem splitting for vocals, drums, bass and other instruments. A VST plugin is listed as a Pro feature.

Strengths: It's the better pick when the problem is music or instruments under speech, and the preview stops you wasting minutes.

Limitations: The free plan doesn't include full downloads, and fast minutes expire every month with no rollover. It doesn't list leveling or loudness features.

8. iZotope RX: Best for professional audio repair

iZotope RX is the heavyweight: an audio repair suite with 50+ modules in a standalone editor and 20+ plugins that load into your editing software. Dialogue Isolate uses neural nets to separate speech, and De-reverb, De-click, De-clip and Spectral Repair handle specific faults.

Pricing: RX 12 comes in Elements, Standard and Advanced editions. Advanced listed at $1,399 on the US store and €1,499 on the German store, and prices vary by country. iZotope shows a "Try for free" link, but we didn't check the trial terms. This is a licence, not a subscription.

What it adds: Dialogue Isolate is in Standard and Advanced but not Elements. Advanced adds a high-quality offline mode, Leveler, Trim Silence and Scene Rebalance. Plugin formats include AU, AAX, VST3 and ARA, and it runs on macOS and Windows.

Strengths: The most control on this list, down to individual frequencies, and no per-minute or per-hour billing.

Limitations: It's desktop software with a learning curve, and the price makes sense only if you repair audio regularly, which won't describe most podcasters. iZotope says De-reverb reduces some of the reverb, not all of it. Web, mobile and API options aren't listed.

9. Krisp: Best for live calls and meetings

Krisp cleans audio in real time. Its AI noise cancellation removes background noise, echo and cross-talk from your microphone before the other side hears it, and it works with conferencing apps such as Zoom, Google Meet, Microsoft Teams, Slack Huddles and Webex. Krisp has moved toward a broader AI meeting assistant, with transcription and notes alongside the noise removal.

Pricing: A 7-day free trial includes unlimited noise cancellation. Core costs $8 per user per month billed annually or $16 billed monthly, and Advanced costs $15 billed annually or $30 monthly. Enterprise pricing is custom.

What it adds: An AI note-taker, transcription and accent conversion, plus an AI Voice SDK for developers with voice isolation and voice activity detection.

Strengths: It fixes the problem at the source, so calls sound clean without any editing afterwards, which is exactly what a call needs.

Limitations: Krisp's pages describe processing live microphone audio and don't describe cleaning an uploaded recording, so it won't fix a finished podcast file. There's no permanent free plan, only the trial.

Which tools should you combine?

Most people need one tool, but a few benefit from a pair: one for the cleanup pass and one for editing or loudness. Here's how the feature lists above combine.

If you're building a wider toolkit, see our roundups of the best AI tools and AI content creation tools.

Frequently asked questions